About Experts Sitemap - Group 43 - Page 44 2016-09-20

Plant Diseases: root rot
Dear Vivek, I m sorry for the delay in answering your question, but I was out of town. It is good to hear from you as it has been awhile since you have last written. I m not sure how helpful I can be in answering this particular question as it is fairly...

Plant Diseases: Splitting Bark on ornamental Maple
Robert: Your photos represent damage done to the bark. These splits may be mechanical or weather related. On thin barked trees such as many maples, frost/heat cracks can develope as a result of weather stresses. The splits/cracks can be entry points for...

Plant Diseases: Trouble with Spruces
This maybe the problem http://homeguides.sfgate.com/weeping-spruce-blight-35963.html I would water once a week and water with two gals Do this If it does not rain that week. This will take care of the chance that there is too much water. I would fertilize...

Plant Diseases: 3 questions about plants, organic matter content, acid loving plants
organic matter content, acid loving plants, camillia bushes: Egg shells and coffee grounds. Crushed eggshells are very useful in the garden. They can be sprinkled around hostas to prevent damage from slugs. They contain calcium, so they re useful to sprinkle in the vegetable garden to prevent problems with nutrient...

Plant Diseases: Antique climbing rose buses, transplant shock, beaumont tx
transplant shock, beaumont tx, climbing rose bushes: Hi Patti, August is not really the optimal time to transplant roses, so there may be an extended period of transplant shock, but if other roses are doing well, that does not seem likely It is hard to know what the problem might be, but I suspect that...

Plant Diseases: Apparant Growth Buds On Live Oak, insect galls, live oak tree
insect galls, live oak tree, gall insects: I would not fertilize it the first year. Water is the single most important need of newly planted trees. Root development or regeneration cannot occur without adequate moisture. Be sure new trees are watered routinely for the first two years after planting....

Plant Diseases: Apple Tree disease, san francisco california, pink flowers
san francisco california, pink flowers, apple tree: Hi,Jenny How u doing IT sounds like u have a insect called scale.this insect is hard shelled and is on the bark and looks like many bumps on tree.if this is the case we have to take care of this with...

Plant Diseases: Apple tree disease, old apple tree, bacterial ooze
old apple tree, bacterial ooze, nitrogen fertilization: Hi Damon, I sincerely apologize for taking so long to answer your question. Time has a way of getting away from me these days. Your trees may be suffering from fire blight, which is caused by a bacterium, and is a common and frequently destructive...

Plant Diseases: Apple tree - - White powder on branches, apids, dormant oil
apids, dormant oil, california tree: Hi Allen How r u?It sounds like u r infested with[ WOOLEY APPLE APIDS]wHICH would like like white fuzz ,but is a insect.They have waxey layer on them that makes it hard 4 a dormant oil 2 work.They can...

Plant Diseases: Arborvitae Emerald Green Trees - Disease, black patches, green trees
black patches, green trees, dry weather: Sounds like just the shock of the planting. If the tree has healthy looking foliage on the rest of the tree there is not really a problem. A tree needs about 1 inch of rain each week so during dry weather (when ti does not rain) put a pan under the tree and...

Plant Diseases: Ash tree lost its bark, ash trees, types of insects
ash trees, types of insects, insect problems: Hi Debbie How r u? The ash trees a known 4 loose bark and sometimes they peel off like that.It does sound a lil more then usual.What i worry now is future decay and insect problems like bores...

Plant Diseases: Aspen Tree Pests, mold fungus, insect eggs
mold fungus, insect eggs, aspen tree: Hey what up? It sounds like u have cotton scale which is a insect that sucks the leaves.U can treat this with a Horticultural oil which will suffocate the bug.What will happen as it go s on u will get black mold fungus on the tops of the leaf from the scale...

Plant Diseases: Aspen Trees, leaf blight, aspen trees
leaf blight, aspen trees, aspen tree: All right being that i cant see tree i have to b sure.It is to late this season 2 prevent the damage but we can stop it from getting worse.Then early next spring we will treat again to prevent 4 next season.I have product 4 blight n spot that works great...

Plant Diseases: Aspen trees, dogwood tree, slow drip
dogwood tree, slow drip, transplant shock: Hi,John How r u?It sounds like the tree has gone into shock/Transplant shock.It is common with aspens to go in to shock b 4 root develament.Try to improve the fiberius roots by adding compost leaf...

Plant Diseases: Azalea Lichen, azaleas, azalea
azaleas, azalea, fungicide: Hi Carol, How r u! Lichen is not the problem people think it is.It is a harmless fungus.It is however ugly to look at on azaleas.U can treat it with a fungicide but i would leave be.If your plants...

Plant Diseases: agastache disease?, epsom salts, spring plants
epsom salts, spring plants, yellow leaves: Hi Anne, Thanks for the photos. From the look of the interveinal chlorosis, this appears to be a nutrient deficiency. The Osmocote provides nitrogen, potassium, and phosphorous (the macronutrients). This appears like magnesium deficiency because of the...

Plant Diseases: agave, insect infestations, fleshy plant
insect infestations, fleshy plant, scale insects: Hi again Al, Thanks for the additional information. What your agaves have are symptoms and signs of bacterial disease. The translucent pulp of the blade is one of the key symptoms of bacterial diseases. Currently there are beetle insect infestations...

Plant Diseases: aloe plant, birds eye view, aloe plant
birds eye view, aloe plant, natural decomposers: Hi Jeanette, I love your descriptions! I am not sure from your description whether you have any disease or not. First, the aloe plant can tolerate a tremendous amount of abuse. The one thing that really can damage an aloe plant is over-watering. The...

Plant Diseases: aloe vera, new roots, aloe vera
new roots, aloe vera, john hope: HI Linzy, The orientation of the Aloe vera may have something to do with the amount and direction of the light the plant receives. If you have the plant in or near a window, the plant will normally bend toward the light. This can yield a plant that leans....

Plant Diseases: ants on trees, orange trees, saliba
orange trees, saliba, honeydew: Ants normally are harvesters. In this case they are more then likely harvesting the sugar that is produced by an insect called Aphids. The aphids suck the sap out of the trees leaves and produce a substance called honeydew which is mostly a sugar base. The...

Plant Diseases: apple tree disease, lime sulfur, crabapple tree
lime sulfur, crabapple tree, apple trees: Crabapples are susceptible to a fungal disease called scab. This disease causes spots on leaves, and can affect the fruit, making it deformed and spotty. Once scab attacks a tree it s difficult to control. The best thing for you to do is to rake up and distroy...

Plant Diseases: army worms, chemical insecticide, army worms
chemical insecticide, army worms, wet lawn: There are several safe insecticide that will control armyworms but I am not sure what you might mean by natural way . The Pyrethroid componds are made from plant material or Orthene Turf, Tree and Ornamental is an chemical insecticide that can be used in...

Plant Diseases: azelea problem, azeleas, lichens
azeleas, lichens, azaleas: Hi,Alan Azaleas are known to getting Lichens which is fungi ,and comes in green ,and greyish tint.Go to your garden center and get ortho Brand Dormant Disease Control and read and follow directions...

Plant Diseases: Bag worms, systemic insecticide, cypress trees
systemic insecticide, cypress trees, home depot: Hi how r u? U need 2 treat with a systemic insecticide.Treat with orthene/Acaphate go to home depot and read the labels.spray and u will b fine.Fyi if many trees r infested u may want to call a tree company 2 take care.This should cost between 85 n 150...

Plant Diseases: Bartlett Pear Tree, bartlett pear tree, tiny mites
bartlett pear tree, tiny mites, mite control: Hi,Clay It a gall,which is bumps which is mutated leaf tissue that caused by feeding of tiny mites.They hide over winter ,and emerge in spring,they start green so you dont see them then turn red.Sorry once you see them its to late to treat them but however...

Plant Diseases: Black Disease on Waterfall Maple, sooty mold, plant juices
sooty mold, plant juices, john crane: Then it is probabally a leaf spot fungus. Fungi : Leaf Spots Leaf spots are caused by fungi or bacteria. Brown or black spots and patches may be either ragged or circular, with a water soaked or yellow-edged appearance. Insects, rain, dirty garden tools,...

Plant Diseases: Black on holly leaves, systemic insecticide, bodied insects
systemic insecticide, bodied insects, powdery mildew: What you are seeing is powdery mildew. This fungus grows on the sugar extract producd by aphids. Aphids are small soft bodied insects that suck the juices from plant leaves. They produce a sticky substance that the black mold grows on. The yellowing of the...

Plant Diseases: Can Black Knot affect maples and birch,, canker diseases, prunus species
canker diseases, prunus species, glfc: If you could send me the digital photos and I will see what I can do with them. Also if you could give me some other location information (if in the U.S.-- State, part of the State you are in ). You can send these to my email at: hylandj@forestry.state.al.us...

Plant Diseases: Black Leaves on Peace Lily, peace lily, black leaves
peace lily, black leaves, warm climate: Hopefully you are in a warm climate. If if got cold it could have caused the leaves to turn black. Those leaves should be cut off because they are not doing anything for the plant. I dont think re-potting will help much. I put mine in the shower (I have...

Plant Diseases: Black Spot on Water Oak Tree, soil compaction, lake charles louisiana
soil compaction, lake charles louisiana, hurricane rita: These are HYPOXYLON CANKERS. Hypoxylon canker causes a dark brown discoloration of the sapwood. With age the infected wood is lighter in color and has black zones or patterns in the wood when observed in cross section. Hypoxylon canker occurs primarily...

Plant Diseases: Black spots on camillia, upper leaf surface, yellow splotches
upper leaf surface, yellow splotches, insect pests: Sounds like tea scale. These can be controlled in the spring using an insecticide. The most common insect pests of camellia are scales. Scale insects feed on plants by piercing plant tissue and sucking sap. Scales do not look like typical insects. They are...

Plant Diseases: Black spots on Norfolk Pine, certified arborist, norfolk pine
certified arborist, norfolk pine, homedepot: Hi, Terri How r u? It sounds like pine blight or blk/brown spot fungus which is very common on these types of pine tree!u can prune away dead and treat with a product called ortho multi purpose fungicide....

Plant Diseases: Blackened leaves on maple, wet spring weather, disease spores
wet spring weather, disease spores, bud break: Sounds like Maple anthracnose a disease that effects the leaves and is intensified in wet spring weather. It may make the tree shed its leaves prematurly but normally will not kill the tree. The tree may leaf back out after drier weather in the later spring...

Plant Diseases: Blue Princess Holly Bush, princess holly, holly bushes
princess holly, holly bushes, holly bush: Hi how r u? it sounds like u have scale bug which has a soft cotton like look!go to the garden center and pick up a hort oil and or sevin insecticide read label and treat and u will be fine! u may want to treat with a fertilizer if there is damage from scale.get...

Plant Diseases: Bogenvilla Mites, dish detergent, happy thanksgiving
dish detergent, happy thanksgiving, mites: Hi Joseph...we use 100 percent Neem Oil at our nursery. It is organic and alters the taste of the plant to get the bugs going else where. As there are copies at the stores that add poison which will kill the beneficials too, please read the labels. Spray...

Plant Diseases: Bonsai Sago Palm, sago palms, sago palm
sago palms, sago palm, drainage holes: Sago palms are slow growing and can take their time opening up. When the roots are happy, the plant will develop new leaves. They emerge as light green spikes, arranged in a circle around the perimeter of the trunk. They slowly uncoil growing to the ultimate...

Plant Diseases: Boring Insects, boring insects, weeping willows
boring insects, weeping willows, wound area: There are several borer insects that will attack willow. I would suggest that you spray the area of the trunk with an insecticide for borers. Check with your local nursery/garden type store for an insecticide for borers. These insects are deep in the wood...

Plant Diseases: Boston Fern, boston fern, leaf margin
boston fern, leaf margin, midrib: The lumps are Sori or the fruit of the fern. Ferns produce by spores, not fruit. These spores are found in small clusters called sori. The brown - black sori of the Boston fern lie in rows, between the midrib and the leaf margin on the underside of the...

Plant Diseases: Bradford Pear Problems, bradford pear trees, bacterium erwinia amylovora
bradford pear trees, bacterium erwinia amylovora, fire blight: Hi Daniel, I think you have diagnosed the problem correctly, but it is very unusual that all of the leaves have turned dark brown. This is usually a symptom of long-term bacterial infestation. The symptoms you describe are characteristic of fire blight...

Plant Diseases: Bradford Pear Tree, bradford pear tree, blight
bradford pear tree, blight, geraldine: Hi,Geraldine How r u? The Bradford pear are known 2 get a fungus called Blight/leaf curl.That would stress tree to lose leaves early.Please send more info on tree what state./any treatments in last...

Plant Diseases: Bradford Pear Trees, bradford pear trees, bradford pear tree
bradford pear trees, bradford pear tree, bossier city louisiana: It is diffucult to ID this problem without seeing it. I would suggest that you contact the La Department of Forestry and ask one of their Foresters to come out and look at your problem. Their phone number should be in the Boosier City phone book under State...

Plant Diseases: Bradford Pear, bradford pear, foliage
bradford pear, foliage, web link: Sounds like lichens. These cause no problem with the health of the tree. The foliage blooms and foliage should be coming out soon if not already and if the foliage is green then there is no problem. here is a web link to information on lichens. http://www.backyardnature.net/lichens.ht...

Plant Diseases: Brown Spots, Yellow Leaves, nutrient deficiencies, chitalpa
nutrient deficiencies, chitalpa, aluminum sulfate: Hi Budd, Brown spots and chlorosis (yellowing of the leaves) are both symptoms of nutrient deficiencies (calcium and iron). Many of the micronutrients are unavailable at high pH (alkaline). Check with your local garden center for help in determining what...

Plant Diseases: bag worms, stick rake, fall webworms
stick rake, fall webworms, white moth: I do not think these are bagworms but they sound like Fall Webworms. These caterpillars construct a web over the foliage in the late summer or early fall and defoliate the tree. They do not kill the tree but will reduce the pecan crop and make the tree look...

Plant Diseases: bagworms/webworms, fall webworms, texas extension service
fall webworms, texas extension service, spcbtx: Here is a link to the Control recommendations from the Texas Extension Service: http://www.spcbtx.org/consumer/webworm.pdf I would also suggest you call the Texas Extension Service office (phone number should be in the local phone book) and ask them- if...

Plant Diseases: ball-like growths on tree, gall insects, egg hatches
gall insects, egg hatches, hickory tree: These are gall insects caused by a small wasp. The insect lays its eggs on the twig and secretes a chemical that causes the cells of the twig to grow over the egg forming the gall. When the egg hatches the wasp flies away leaving the woody gall. These cause...

Plant Diseases: my beautiful schefflera is dying!! :(, bad housekeeping, spider mites
bad housekeeping, spider mites, dish soap: You probably have spider mites. If you have a handheld shower, take it to the shower and spray it thoroughly. This will wash a lot of them off. Then put a teaspoon of dish soap in a quart of water and put it in a spray bottle. Spray it thoroughly every other...

Plant Diseases: black bark, ornamental pear tree, pear trees
ornamental pear tree, pear trees, purple plum: Ornamental plum and pear trees are both susceptible to fungal diseases, but it s hard to diagnose a plant problem without actually seeing it. If your ornamental pear tree has no other symptoms (poor growth, curling leaves, etc.) you may have to take a photo...

Plant Diseases: black clumps of stuff on my plum tree branches, lake sunapee region, sexual spores
lake sunapee region, sexual spores, asexual spores: Black knot of plums and cherries is a widespread and serious disease throughout the United States. Black knot is a common disease in Ohio on wild plums and cherries and in home orchards where pruning and spraying are not regularly practiced. The disease...

Plant Diseases: black residue on Meyer lemon bush, leaf petiole, isopropyl alcohol
leaf petiole, isopropyl alcohol, scale insects: Hi Tom, Yes, the size of this tree will make a difference in how you treat for insects. I assume that this tree is outdoors given the dimensions. First, though, you need to see if you have scale insect infestation. If confirmed, there are insecticidal...

Plant Diseases: black sooty mold, sooty mold, good rain
sooty mold, good rain, leaf surface: If the leaves aere still sticky after a good rain then you may still have some aphids. Check and see if there is any new honeydew present (should see shinny sticky juices on the leaves). If ther is no new pahid activity then you have controlled the insect....

Plant Diseases: black spot, liquid sulfur, leaf spots
liquid sulfur, leaf spots, baking soda: I would use a systemic fingicide to rid the roses of leaf spots. Yes it is a chemical but so is baking soda. You can also try liquid sulfur-it is great for preventing leaf spots and should also control them depending on the extent of the problem. Try the...

Plant Diseases: black spots on leaves, copper fungicide, new leaves
copper fungicide, new leaves, leaf spots: These are leaf spot fungi and really not a problem. The worst that can happen is the fungi will cause the leaves to drop sooner then normal. These fungi infect the leaves late in the year and will cause no health problem to the tree just make the leaves look...

Plant Diseases: blackspot on roses, blackspot on roses, dave rowley
blackspot on roses, dave rowley, black spot on roses: Black spot can not always be completely prevented, but with proper care it can be kept to a minimum and to a level that will not be detrimental to your roses. Follow these steps: Plant resistant varieties when possible. When planting, space far enough...

Plant Diseases: blight/mold, new homeowner, blight
new homeowner, blight, mildew: Without knowing what plant you have or the area you are located in I am going to guess you are referring to Powery Mildew. IF SO here is a web site that will give you information and controls. http://plantclinic.cornell.edu/FactSheets/powdery/powdery.htm ...

Plant Diseases: boring beetles, boring beetles, birch trees
boring beetles, birch trees, white birch: The Bronze Birch Bore is The pain in the butt you are dealing with.They are for the most part stay to the birch.Bayer systemic aka Merit or If you can find out by you xytect insecticide is the best to kill and prevent up to 18months.To answer Why Im sure your...

Plant Diseases: bower attacking tree, tulip tree, bower
tulip tree, bower, insecticide: You are more than likely correct-root collar Borer would be my guess. I would reccommend you spray the effected area of the trunk of the tree and the at ground level part of the trunk with an insecticide called Onyx--Mix at the rate of .25 fl. oz of the product...

Plant Diseases: boxwoods drained of color, iron chlorosis, iron chelate
iron chlorosis, iron chelate, leaf mulch: Hi Jan, Since you don t mention any insects, etc. I can only speculate that you have seen none on these plants. So, the plants may have some kind of nutrient deficiency. Boxwoods and others grown as shrubs may require supplements of iron or nitrogen...

Plant Diseases: brown leaves on mandavilla, gallon pot, soil treatment
gallon pot, soil treatment, handle stress: hi how r u? It sounds like it went into a little shock! Which can happen when the roots don t take off right away. Just like humans some plants don t handle stress like others and one can be fine and one can be stressed! Go get a orgainic soil treatment that...

Plant Diseases: brown spots on king palm leaves, e mail address, scale insect
e mail address, scale insect, insect infestation: Ahmad, Send me a photo at my e-mail posted on the instructions. From your brief description, it sounds as though you may have a severe scale insect infestation. If you can remove the dark spots with your fingernail, and there is no physical damage to...

Plant Diseases: browning edges, plastic juice, essential minerals
plastic juice, essential minerals, juice bottles: Hi Paula, The spider plant can go a substantially long period of time without water, so water the plant sparingly. You are right in allowing the tap water to stand for a time before watering the plant, as this gives the chlorine time to dissipate into...

Plant Diseases: bug infestation, niagara falls canada, tiny fruit
niagara falls canada, tiny fruit, hickory tree: Hi Lisa, I am sorry, but I have very little experience with bugs . I am not an entomologist, so I am relatively unfamiliar with insects that are not directly related to plant pathogenesis. Maybe you can find an entomologist in AllExperts that can...

Plant Diseases: bug, beetle grubs, white worms
beetle grubs, white worms, boring holes: Without knowing what kind of tree, it s difficult to identify the pest. They could be beetle grubs (look for boring holes in the branches or trunk), or they could be the larvae of moths or butterflies (look for feeding on the foliage). It s hard to control...

Plant Diseases: bugs infesting my Quaken Aspen, gall insects, northwestern wyoming
gall insects, northwestern wyoming, galls: These are called gall insects and will not kill the tree. Normally they will be controlled naturally and may if numerous cause some growth loss. I would noi worry about them the trees wil out grow the infestation. Here is a web link that gives more information...

Plant Diseases: bugs????, systemic insecticide, green bushes
systemic insecticide, green bushes, yellow leaves: Yes it sounds like an insect--more than likely cottony aphids or another sucking type insect. These aphids suck the juice out of the plant and form a white substance. This early in the year you are seeing the cotton remains of the aphids but the eggs will...

Plant Diseases: bush problem, georgia forestry commission, english variety
georgia forestry commission, english variety, middle georgia: Without knowing the kind of bush you have it is hard to make a recommendation. I would sugest you contact the Georgia Forestry Commission or the County Extension office near you and ask one of their Foresters or Horticulturist to come out and ID the bush...

Plant Diseases: Calamondin Orange, calamondin orange, orange plant
calamondin orange, orange plant, indoor plants: Hi Margaret...Give your plant a bath in some soapy water to remove the sticky substance on the branches. Get some Neem oil 100 percent pure or insecticidal spray for your indoor plants. Leaves falling could be a problem with your watering. Anything left...

Plant Diseases: California Live Oak, california live oak, nursery garden
california live oak, nursery garden, generic version: Let the growth grow about six inches tall and then spray the foliage with Roundup. Roundup is a herbicide that will be transported to the roots of the stump and kill the roots thus stopping the sprouting. Beware that Roundup will kill any green foliage it...

Plant Diseases: Camelia leaves disease showing, systemic insecticides, insect problem
systemic insecticides, insect problem, nurserymen: The spotting on the leaves could be an insect problem or a disease problem--either way it will not cause boring . There are several insects and diseases that could atack Camellias. The insects can be controlled by the use of a systemic insecticides and the...

Plant Diseases: Camellia Bush, camillia bush, camellia bush
camillia bush, camellia bush, fall bloomer: Sorry it took so long is did lots of research! When you prune your clematis will have a direct result on whether or not it will flower the following year. There are 3 categories of clematis for pruning purposes: Spring Bloomers, Summer or Fall Bloomers, and...

Plant Diseases: Camellia disease, insecticide fungicide, tomato plants
insecticide fungicide, tomato plants, new leaves: It sounds like you are doing the right thing for the scale--the spots are result of the scale feeding- new leaves should not have these spots if they are protected by the insecticide. I would suggest you look up the telephone number of the Agriculure Extension...

Plant Diseases: My Camellias are dying, organic fertilizers, desicant
organic fertilizers, desicant, camellias: HI,How you doing?Its sounds like your camellias have winter burn from harsh winter and or wind burn.This is common with them and will be a easy fix.what you can do is go down to your garden center and get a fertilizer with a n/p/k # of 20/10/10 to 30/10/10...

Plant Diseases: Camellias are dying, humic acid, desert temperatures
humic acid, desert temperatures, drainage problem: hey, jill the only thing i can think of is u r having soil problems,or there is a drainage problem.1st thing to check is the dainage, make sure the soil is not compacted n water is draining well.if u r having drainage problems they get root rot which can...

Plant Diseases: Camellias, camellia bush, systemic insecticide
camellia bush, systemic insecticide, pink blossoms: You have an insect called tea scale. It is common on camelias. Here is a link to a couple of sites giving control measures. These insects are easliy controlled with a systemic insecticide. http://www.aces.edu/pubs/docs/A/ANR-0274/ANR-0274.htmlhttp://creatures.ifas.ufl.edu/orn/scales/tea_scale.htm...

Plant Diseases: Camillia, plant juices, scale insects
plant juices, scale insects, county of kent: It os more than likely aphids or scale insects, these insects suck the plant juices. The black is a mold that grows on the excrement of the aphids and scales that suck the juices. Conrol the insects and you can control the blak sooty mold. Here is a web link...

Plant Diseases: Caribbean Copper Plant, copper plant, new leaves
copper plant, new leaves, twig: You can determine if the tree is dead by starting at the end of a branch and scraping a small bit of bark off the twig and if the color under the bark is green the the branch is still alive at this point on the branch. If it is green then it should put out...

Plant Diseases: Carrotwood Tree, desicant, wax coating
desicant, wax coating, label states: Hi,Carol This is very common when we have bad winters. I need you too scrape the branches to check if they is any green on inside.If it is green that is a good sign and i am going to want you to fertilize it with a n/p/k fertilizer 20/10/10. These # are found...

Plant Diseases: Carrotwood tree problem, invasive alien plants, native plant communities
invasive alien plants, native plant communities, seed dispersal: Check the pictures on the web site I sent and see if it is the same tree. http://aquat1.ifas.ufl.edu/cupana.html Sometimes different trees have the same common name. As far as the yellowing leaves I would suggest checking with a nursery that sell this tree...

Plant Diseases: Conifer diseases, conifer diseases, loblolly pine
conifer diseases, loblolly pine, systemic insecticide: The mold you are seeing is called sooty mold. It grows on the excrement (honey dew) from aphids. Aphids are small insects that suck the juices out of plants. The mold will grow on the sticky juice. The mold itslf will not harm the tree. If you control the...

Plant Diseases: Container garden growing mushrooms, growing mushrooms, visual clue
growing mushrooms, visual clue, container garden: Debbe, Mushrooms are the visual clue that there is a large mass of organic material being broken down and returned to the soil. The root , or mycelium that mushrooms are the fruit of cannot, and in my opinion should not, be controlled. My advice, if...

Plant Diseases: Corkscrew Weeping Willow Tree, weeping willow tree, bacillus thuringiensis
weeping willow tree, bacillus thuringiensis, tiny worms: Without a description it would be hard to ID which caterpillar insect this maybe. But all can be controlled with the use of an insecticide. Here are some names of insecticides that will work. Caterpillars control - diazinon, carbaryl, malathion, pyrethrum,...

Plant Diseases: Cotoneaster brown patches with web covering, adult mites, spider mites
adult mites, spider mites, spider mite: Hmmm.. without personally inspecting the plant, I can only offer a few educated guesses. First, cotoneaster webworm. The cotoneaster webworm over winters in the masses of dead leaves on the shrubs. In the spring they develop into adults, which eat for a short...

Plant Diseases: CRAPE MYRTLE, powdery mold, mold type
powdery mold, mold type, insect infestation: HI Michelle, There are several fungal diseases that produce powder-like mildew. The most common do not affect branches and bark. The most common is powderly mildew which is a disease of the leaves which produces a white to grey powdery substance....

Plant Diseases: Crabapple tree, tent caterpillars, crabapple tree
tent caterpillars, crabapple tree, population explosions: Sounds like an insect called Fall webworm. This is a caterpillar type insect that lives in a web but feeds on the leaves. The fall webworm, Hyphantria cunea (Drury), is most often discovered when the unsightly, light gray, silken webs on the trees in late...

Plant Diseases: Crape Myrtle, plant juices, bodied insects
plant juices, bodied insects, nursery garden: The problem is aphids. These are soft bodied insects that suck the plant juices and secrete a substance called honeydew. Honeydew is high is sugar contant and sticky. A fungi--black sooty mold grows on the honeydew. Control the aphids and you will control...

Plant Diseases: Crape Myrtles, isa certified arborist, outer banks of north carolina
isa certified arborist, outer banks of north carolina, leaf scorch: Hi i want u to hire a ISA CERTIFIED ARBORIST TO LOOK AT ROOT SYSTEM ie any girdling roots that r choking out tree.Tree may have been planted wrong to shallow or to deep.the tee also can get a disease called leaf curl/and or leaf scorch.The arborist will find...

Plant Diseases: Crepe Mrytle being eaten, crepe myrtles, systemic insecticide
crepe myrtles, systemic insecticide, crepe mrytle: Hi Bryan How r u?It sounds like u have Japanese beetle which they hang out in the soil and come out at times like night or in am.They eat from top 2 bottom.The good thing is there is a product on...

Plant Diseases: Crepe Myrtle, sooty mold fungi, crepe myrtles
sooty mold fungi, crepe myrtles, insecticide sprays: Sounds like aphids--the sooty mold is growing on the honeydew from the aphids. Crape myrtle aphids are pale yellowish green in color with black spots on the abdomen. They vary in length from 1/16 to 1/8 inch long. They overwinter (survive the winter) as eggs....

Plant Diseases: Crepe Myrtle Disease, white fungus, powdery mildew
white fungus, powdery mildew, crepe myrtle: This disease is called powdery mildew. A commmon problem with crepe myrtle. It can be controlled with a fungicide spray but the spray should be repeated every ten days or so for three applications. Here is a web link that will give information on powdery mildew...

Plant Diseases: Crepe Myrtle insects, systemic insecticides, nicotine sulfate
systemic insecticides, nicotine sulfate, plant vascular system: These are an insect called aphids. Aphids suck the plant juices from the leaves and twigs and excrete a substance called honeydew which is high in sugar content and sticky. A black sooty mold will grow on the honeydew. Control the aphids and the sooty mold...

Plant Diseases: Crepe Myrtle Pests, crepe myrtles, systemic insecticide
crepe myrtles, systemic insecticide, plant juices: Sounds like aphids. These are soft bobied insects that suck the plant juices out of the leaves and excrete a substance called honeydew--a liquid high in sugar. Control the aphids and the raining will stop. Check with your local nursery/ garden type store...

Plant Diseases: Crepe Myrtle Problems, crepe myrtles, bodied insects
crepe myrtles, bodied insects, sugary substance: The black moldy stuff is a fungus called black sooty mold. The fungus is growing on the Honeydew from aphids. Aphids are small soft bodied insects that suck the juice from the plants leaves . During this process the insect secretes a sugary substance called...

Plant Diseases: Crepe Myrtle Trees, peach tree borer, crepe myrtle trees
peach tree borer, crepe myrtle trees, bronze birch borer: Soundsd like a wood borer. Thes insects bore into the tree and live in the inner wood. They will weaken the trunk and may cuase it to break during high winds so I would recomend that they be controlled. Some formulations of permethrin and carbaryl have labelled...

Plant Diseases: Crepe Myrtle trees?, crepe myrtle trees, systemic insecticide
crepe myrtle trees, systemic insecticide, bodied insects: The black is sooty mold that grows on Honeydew that is produced by aphids, an insect. Aphids are small soft bodied insects that suck the plant juice and secrete a liquid called honeydew, which is high in straches. A sooty mold will then grow on this honeydew....

Plant Diseases: Crepe Myrtle, systemic insecticides, nicotine sulfate
systemic insecticides, nicotine sulfate, plant vascular system: Sounds like an insect called aphids. These insects suck the plant juices from the leaves and excrete a substance called honeydew. Honeydew is high in sugar content and is sticky to the touch. The wasps and bees are coming to the honeydew. Control the aphids...

Plant Diseases: Crepe Myrtles and decorative pine, crepe myrtles, garden fertilizer
crepe myrtles, garden fertilizer, pine needles: I would recommend that you fertilize the crept myrtle. A complete general-purpose garden fertilizer -- such as 8-8-8, 10-10-10, 12-4-8 or 16-4-8 -- is ideal for crape myrtle. I would use 1 lb of 10-10-10 per diameter of the trunk and scatter the fertilize...

Plant Diseases: Crepe Myrtles, mold fungus, crepe myrtles
mold fungus, crepe myrtles, parasitic wasps: Hi Terre, You most likely have a whitefly infestation. The syrup is a byproduct called honeydew which is excreted in the feces of the whitefly. Here is a treatment schedule. Aphids can also produce the same honeydew, but they are not usually white...

Plant Diseases: Cycad with yellow edged-fronds, magnesium deficiency symptoms, soil ph
magnesium deficiency symptoms, soil ph, sagos: Hi Bridget, I am of the opinion that this condition is nutrient related, as you also suggest. The rain drainage from the roof would cause physical damage at the site, not chlorosis on the edges of the fronds. Having said that, if the soil is very sandy,...

Plant Diseases: camealias, sooty mold, systemic insecticide
sooty mold, systemic insecticide, double flower: The problem sounds like an aphid infestation rather then disease. Aphids are small insects that suck the juices out of plant leaves and excrete a substance called honeydew--a sugar liquid that a fungus called black sooty mold grows on. The leaves should feel...

Plant Diseases: career in biology, entomological society of america, plant pathology
entomological society of america, plant pathology, environmental biology: 1. The education requirement for a Pathologist or Entomologist is generally at least a BS in Plant Pathology or Entomology. The expert part comes with experiance. 2. In the future the requirements will more than likely require a higher education say at...

Plant Diseases: catapillars/butterflies, moth pupae, moth caterpillars
moth pupae, moth caterpillars, protective cocoon: After the caterpillar is fully grown, it becomes a pupa. This is a resting stage which helps it grow into an adult. Each type of caterpillar turns into a certain kind of butterfly or moth. If a caterpillar is going to be a butterfly, it grows a chrysalis (kris-uh-lis),...

Plant Diseases: charred leaf tips, amur maple, leaf tips
amur maple, leaf tips, carbon black: Sounds like dryness. I would water every five days if it does not rain. Do what I call deep watering--turn the hose on real slow and let it run for an hour or so. This will allow the plant to get the water deep into the soil. Waiting between watering wil make...

Plant Diseases: chinese pistachio tree dying?, chinese pistachio tree, isa arborist
chinese pistachio tree, isa arborist, pesticide laws: Hi ,Leslie How r u? It sounds like with the combo of the drainage problem and the excess rain u guys r having your plants came down with some types of fungi/root rot/and or blk spot which pears n pistachios...

Plant Diseases: clementis, fall bloomers, sweet autumn
fall bloomers, sweet autumn, spring bloomers: There are 3 categories of clematis for pruning purposes: Spring Bloomers, Summer or Fall Bloomers, and Repeat Bloomers. If you don’t know which pruning category your clematis falls into or maybe even what type of clematis it is, watch the plant for a season...

Plant Diseases: conifers, needle rust, forestry agency
needle rust, forestry agency, pine needles: I would call your local Forestry agency and have one of their Foresters come out and check your pines. This could be as simple as just a needle fungus called needle cast or needle rust both of which will not kill the tree or a bark beetle infestation that...

Plant Diseases: crab apple trees, crab apple trees, crab apple tree
crab apple trees, crab apple tree, hardwood trees: IF a tree is cut (hardwood trees) to keep the root systems from sprouting you need to paint the stump as soon as you cut the tree (that day)with a herbicide called Roundup. Roundup will be taken up by the stump and transported to the root system and kill the...

Plant Diseases: crabapple tree disease, crabapple tree disease, lady bugs
crabapple tree disease, lady bugs, bodied insects: Yes the insecticide will kill the lady bugs. An alternative is to just let the lady bugs do their thing. BUT the tree may suffer from the aphid feeding. It is your decision spray and save the tree from the aphids or do not spray saving the lady bugs but the...

Plant Diseases: crape myrtle disease, inch diameter, trunk branch
inch diameter, trunk branch, crape myrtle: Sounds like a borer (an insect), I would check with your local garden/nyrsery type store and ask for an insecticide for borers and spray the trunk. One of the newer insecticide is onyx but I am not sure you will be able to find it. If the effected trunk is...

Plant Diseases: crape myrtle disease?, spider mite, brown leaves
spider mite, brown leaves, sticky residue: Hey,Bruce It sounds like u have a spider mite problem.they r very tiny n would b hard to c! Go to home depot n or your garden n pick out a product that is labeled 4 mites n spray n repeat...

Plant Diseases: crape myrtle disease, toxic control, entire leaf
toxic control, entire leaf, water hose: Herb, Sounds like sooty mold, caused by an aphid invasion. If you do see aphids, control them first and then over time you can wash the leaves clean with a water hose. The non toxic control for aphids is to spray the foliage daily with a jet from the...

Plant Diseases: crape myrtle, feeder roots, liquid herbicide
feeder roots, liquid herbicide, weed and feed: The weed and feed is what is causing the problem with your crept myrtle. It is much better to use a fertilizer only and then apply a liquid herbicide that is for grasses only on the weeds. Crept Mytrle do shed thier bark leaving a green or brownish color....

Plant Diseases: crepe myrtle trees, crepe myrtle trees, crepe myrtle tree
crepe myrtle trees, crepe myrtle tree, powdery mildew fungus: Sounds like powdery mildew. If grayish-white areas recently appeared on the new growth of your crape myrtles, chances are the problem is powdery mildew. In extreme cases, entire twigs may be blighted by the mildew fungus. While this fungus disease will not...

Plant Diseases: crepe myrtle, systemic insecticide, plant juices
systemic insecticide, plant juices, bodied insects: This is caused by aphid feeding. Aphids are small soft bodied insects that suck the plant juices from the leaves and young twigs. They excrete a substance called honeydew when they feed. This honeydew is high in sugar and feels sticky and the plant may look...

Plant Diseases: crepe myrtles, crepe myrtles, smooth bark
crepe myrtles, smooth bark, san antonio tx: Bark peeling on mature crept myrtles is normal. The bark peels leaving smooth bark underneath. These are trees and most folks prune them back to bushes. I congratulate you on keeping the tree a tree. It will be healthier that way. They sound healthy and normal...

Plant Diseases: Date Palm, rotten egg odor, pot shards
rotten egg odor, pot shards, scale insects: Hi Michael, First of all. How large are these palms? Have you examined the fronds and stems for scale insects. (These may appear as small (~5mm diameter 1/16 to 1/4 inch) round to oval, flat objects on the underside of the fronds and stems. These insects...

Plant Diseases: Dead Hedge - due to weed killer, spring city pa, root system
spring city pa, root system, herbicide: More then likely the herbicide was one that kills on contact and not a soil active herbicide. If so the damage is what has been done and will not increase. I would ask the neighbor what hericde he used and check its mode of action (contact of absorbed by the...

Plant Diseases: Dead Pine Tree and Ferns?, boston ferns, herbicide sprays
boston ferns, herbicide sprays, wood chips: You did not say what was sprayed on the stump so I assume that it was a herbicide of some kind. The stump absorbed the herbicide and the wood chips and sawdust which contain the chemical have gotten into the root system of the ferns and this sounds like what...

Plant Diseases: Dead Trees, mountain pine beetle, federal senators
mountain pine beetle, federal senators, drought situation: During the past several years, the West has been under a drought situation and the conifers have been attacked by Mountain Pine Beetle. Most of the forest land base is federal lands in the West and the trees in these lands have been poorly managed due to many...

Plant Diseases: Dead trees and shrubs, weeping willow tree, trees and shrubs
weeping willow tree, trees and shrubs, insurance comapny: I suspect the heat from the fire scorched the plants. To see if the plant is dead--start at the upper branches and scrape a small bit of bark off the branches--IF the color under the bark is green then the plant is alive at this point on the branch--IF the...

Plant Diseases: Declining Norway maple, tree mushrooms, road salts
tree mushrooms, road salts, tree diameter: No paint material will actually slow down any wound healing. The tree will try to grow the cells over the wound and painting can slow this process. Cut any loose bark off this will keep insects from entering under the bark. You can spray the area with an insecticide...

Plant Diseases: Deer, sound forest management, wildlife abundance
sound forest management, wildlife abundance, whitetail deer: You have somewhere in your past been mis-led as to what is good deer habitat and how foret management plays a key role in maintaning the habitat. Sound forest management will increase the food supply for deer and IF the population is not over hunted will increase...

Plant Diseases: Dieback, root rot disease, preventative measures
root rot disease, preventative measures, close proximity: If several plants of different genera are dying in close proximity to one another, I would suspect a root rot disease. You may try a soil fungicide (maybe Daconil) and mix a drench to apply around the other plants in that area. A rule of thumb is to mix...

Plant Diseases: Discoloration of Oak Tree Bark, twig girdler, twigs and branches
twig girdler, twigs and branches, twig pruner: The small twigs sounds like damage from an insect called a twig girdler or twig Pruner. These beetles cause very conspicuous damage in late summer. The leaves on large numbers of twigs and branches will be observed to turn brown prematurely. These twigs and...

Plant Diseases: Disease in 60 yr old conifer hedge?, isa certified arborist, eastern hemlock
isa certified arborist, eastern hemlock, powdery mildew: Yes wooley adelgid have them spray them with hort oil 2% sun spray/or rockland oil.Make sure they soak them well and do both sides.If sprayed even infested they will come back.Do 2 sprays now 3 to 4 weeks apart and one in the fall to kill eggs from hatchin...

Plant Diseases: Disease on Beach Sunflower, tiny insects, oil spray
tiny insects, oil spray, white fly infestation: Hi Lori...beach sunflowers usually are not bothered by disease, as you know from past experience. It is possible, due to the dry and unusual weather that you may have white fly infestation. Whatever the problem, you can spray with neem oil spray, which...

Plant Diseases: Disease on camelia leaves, camelia bush, sooty mold
camelia bush, sooty mold, systemic insecticide: The problem sounds like an aphid infestation rather then disease. Aphids are small insects that suck the juices out of plant leaves and excrete a substance called honeydew--a sugar liquid that a fungus called black sooty mold grows on. The leaves should feel...

Plant Diseases: Disease on my fruitless muilberry?, fruitless mulberry tree, premature leaf drop
fruitless mulberry tree, premature leaf drop, commercial sprayers: The leaf spots will not kill the tree just cause some growth loss by the premature leaf drop. There are commercial sprayers that can reach that height but these are expensive . With the tall trees that it is not economical to spray just rake the leaves up...

Plant Diseases: Disease in pine trees, search engine google, sweet gums
search engine google, sweet gums, forestry agency: From what you discribe it will be hard to determine IF you have a problem and what the problem might be. I would suggest if you are in the US that you contact the local State Forestry Agency and ask one of their Foresters to come take a look at your trees--this...

Plant Diseases: Disease of Walnut, grown larvae, insect spray
grown larvae, insect spray, transparent wings: Sounds like the walnut husk fly. The walnut husk fly and the walnut husk maggot both occur commonly throughout central United States. The walnut husk fly and the husk maggot look alike. They are light brown in color and have two transparent wings...

Plant Diseases: Diseased Crepe Myrtles, crepe myrtles, systemic insecticide
crepe myrtles, systemic insecticide, coldwater ms: There are several herbicides that will kill brush--here is alink to one that is called Brush Killer. http://www.epinions.com/content_79064501892 A good one is a product called Roundup. Here is the link to it: http://www.roundup.com/index.cfm/event/ProductGuide.product/documentId/1c47822e380daf9bbdb20570cf00d81b...

Plant Diseases: Diseased cherry tree, black knot, cupertino ca
black knot, cupertino ca, cherry trees: Sounds like it maybe black knot. Here is a web link that discribes diseases of cherry and the contols. This is about the best I can do with the discription you gave, I would suggest you contact the Calif. Extension Service and ask their advice, if they have...

Plant Diseases: Dogwood, dogwood tree, planting dogwoods
dogwood tree, planting dogwoods, trre: It sounds like the trre is shocked from the planting. Dogwoods like partial shade and do not do well in full sun light. I would think this maybe the problem. About the only thing you can do is water when it does not rain. A tree needs about 1 inch of water...

Plant Diseases: Dry Rot, outer bark, dry rot
outer bark, dry rot, dange: I do not think your trree has what is commonly called dry rot . The enter part of a tree (woody part) is not alive and if the outer bark layer is damaged fungi can enter the wood and cause rot to infect the wood. This has the appearance of the wood being...

Plant Diseases: Dutch Elm Tree Disease, dutch elm disease, dutch elm tree disease
dutch elm disease, dutch elm tree disease, elm tree disease: Dutch elm disease can spread through root grafts-it depends on if the dying tree was cut as soon as the disease was detected or did the trre die first before it was cut. If the later then the disease can be spread through the roots to a nearby healthy tree....

Plant Diseases: Dying mature Willow tree, willow tree, slow decline
willow tree, slow decline, dead limbs: The willow likes water and it got used to the steam being close and when the stream bed was dug deeper the water table at that site went down and the willow s roots could not reach them. This is more than likely what is causing the die back. I would prune...

Plant Diseases: damage to large oak tree root, hickory tree, tree root
hickory tree, tree root, root system: Let it be. You would do much more damage to the root system by tring to medicate it then the spike will do. The root will more than likely heal itself or the worst that individual root may die--if so this will be a long process and the tree will have compensated...

Plant Diseases: diagnoses of apple tree, green apple tree, fire blight
green apple tree, fire blight, bacterial disease: Hi Bill, I need some more information. Is the slime/jelly sticky? Does it have a sweet taste? Are there any other symptoms such as deformed leaves, altered coloration of the leaves, etc. Is the tree otherwise healthy looking? Is there new growth, etc....

Plant Diseases: disease, powdery mildew, chemical compounds
powdery mildew, chemical compounds, plant host: Hi Ahmad, Powdery mildew is a fungal disease that affects many plant species. It is characterized by the powder-like appearance produced on the leaves, either on top or the undersides. These spots can appear on any aerial part of the plant. Powdery...

Plant Diseases: disease on Clementis plants, fungus disease, clematis
fungus disease, clematis, google: Hi Trisha This is a very common problem with the large flowered Clematis. It is a fungus disease called Clematis Wilt. The purple like bruised colour is the identifying symptom in combination with the wilting very quickly. As for a cure...there is none....

Plant Diseases: diseased garden, squash plants, fungicide
squash plants, fungicide, spores: As long as you remove the old plant parts (stems, leaves etc.) and turn the soil you should not have a problem. The fungi spores will be on the old plant parts and could get on the new plants if the old is left in the garden. IF you do see any mold starting...

Plant Diseases: diseased shrub and plants, waxy strands, order homoptera
waxy strands, order homoptera, systemic insecticide: Sounds like Whiteflies. Whiteflies are tiny, soft bodied insects. They are not true flies, but belong to the insect Order Homoptera which means same wing , both the front and back wings are membranous and appear very similar. Other homopterous insects includes:...

Plant Diseases: diseases of crepe myrtle trees, crepe myrtle trees, crepe myrtles
crepe myrtle trees, crepe myrtles, systemic insecticide: The black powder sounds like sooty mold. This fungus grows on honeydew from aphids. Aphids are small insects that suck the juice from leaves and excrete a substance called honeydew. Honeydew is high in sugar content and the fungus grows on it. Control the...

Plant Diseases: what can diseases that can kill my plant, rich soil, hot weather
rich soil, hot weather, blood meal: Sweet peas require regular watering, especially as the temperature increases. They prefer a somewhat rich soil and can be fed monthly with a fertilizer high in potassium, as used for tomatoes. Adding a bit of blood meal to the soil is thought to help keep...

Plant Diseases: diseases on roses, trouble with roses, fire blight
trouble with roses, fire blight, household bleach: Hi Barbara, You may be quite right. The symptoms you describe are characteristic of fire blight caused by _Erwinia amylovora_. Although fire blight is most often associated with the fruiting members of the Rose family (peach, apple, cherry, etc.), it...

Plant Diseases: dogwood, dogwood tree, happy holiday
dogwood tree, happy holiday, pollution: Hi Marie...Lichens do not harm the tree at all they just need a place to live. In fact it is a good sign as the more lichens on a tree the further it is away from pollution. How great is that. As the tree looses its leaves for the winter you just have noticed...

Plant Diseases: dogwood disease?, pink dogwood, flower bud
pink dogwood, flower bud, lawn fertilizer: Sounds like it needs a little fertilizer. use a fertilizer like Camellia-Rhododendron food, acid based fertilizer, right after they bloom. Or you can use 0-10-10 fertilizer in early to mid-Summer to help induce flower bud formation. The problem is the...

Plant Diseases: dogwood tree, dogwood tree, drip system
dogwood tree, drip system, mulch: It sounds like a reaction to the weather. Also sometimes the tree reacts to the mulch being piled onto the trunk. Make sure the mulch is pulled back from the trunk and not any more than 1 inch deep next to the tree trunk. As long as the foliage is green and...

Plant Diseases: dwarf lemon tree, citrus trees, lemon tree
citrus trees, lemon tree, oil spray: Hi Allen...yes, citrus trees are apt to get all kinds of problems that look bad. The problem is a scale on the skin of the fruit, it should not harm the fruit in side. Our society learns towards perfect fruit, would rather buy something that looks great...

Plant Diseases: dwarf lemon tree disease, alcohol swabs, drainage holes
alcohol swabs, drainage holes, scale insects: Hello Gina, When you say that the dirt is stuck , do you mean that there is something sticky on the leaves? If so, this could be the honeydew excreted by a number of insects such as aphids, mealybugs or scale insects. Scale insects and mealybugs...

Plant Diseases: dwarf meyer lemon tree, dwarf meyer lemon tree, meyer lemon tree
dwarf meyer lemon tree, meyer lemon tree, breath of fresh air: Hi Kristen..You may not have noticed them before, usually it is a snail or grasshopper that would chew the leaves. You could give your tree a bath in soapy water. You could spray it with Neem spray, or safer soap. Your local nursery would have one of these...

Plant Diseases: dwarf nectarine gummosis, agriculture extension service, peach tree
agriculture extension service, peach tree, disease descriptions: With a 1 inch diameter there is not much that you can do in removing a canker for the main trunk. I would do nothing but water and fertilize the tree to keep it healthy and see what happens. But do not expect too much from a tree this size that has a canker...

Plant Diseases: dying biburnum, certified arborist, exit wounds
certified arborist, exit wounds, tree specialist: HI Jamie How r u Doing?IM Going to tell u what to look 4 and then we r going save them.1-check underneath of leaves for scale bug[a white fuzz lookin mass]Step 2-check check branches 4 a white cotton...

Plant Diseases: dying shrubs, weather climates, certified arborist
weather climates, certified arborist, compost tea: Hi,Jill It Sounds Like Which Is Very Common in the northeast ,and was very bad this winter is your having winter burn/winter kill/wind burn.It does happen in warm weather climates to where it drops below freezing a few times as well.To Answer why some plants...

Plant Diseases: dying vinca minor, root rot disease, root diseases
root rot disease, root diseases, dead plants: Hi Toni, This is puzzling. My first thought is that there is something interfering with the water uptake, thus the root systems must be affected. There are many small mammals (moles, voles, etc.) that feed on roots. There are also fungal root diseases...

Plant Diseases: Evergreen with jelly like substance, cedar apple rust, apple leaves
cedar apple rust, apple leaves, apple trees: What you discribe is cedar apple rust. Normally it is a small green or brown ball on the cedar limbs but in the spring it puts out a fruiting body (the jelly looking substance) and produces spores that will travel with the wind to apple trees. Here spores...

Plant Diseases: elm tree, new leaves, elm tree
new leaves, elm tree, cambium: The only living part of a tree (branch or trunk) is the outer layer of cells called the cambium. The inside wood is dead calls. The center of elm branches is darker wood, To tell if a tree is still alive take a small knife and scrape a little of the bark off...

Plant Diseases: examination of diseases, spring buds, leaf surfaces
spring buds, leaf surfaces, spores: This is a good time to be asking that question. But, the prevention of black spot is something that you can take care of right now, even before the spring buds open up. Clean up all debris from the base of the plant, and begin a spraying regime with powdered...

Plant Diseases: Fall Webworms, walnut caterpillar, orchard trees
walnut caterpillar, orchard trees, insecticide sprays: Sounds like Walnut caterpillar. The caterpillars develop in large clusters and rapidly defoliate ornamental and orchard trees if not controlled. Spraying with insecticides is the best control measure. To avoid as much damage as possible, spray the caterpillars...

Plant Diseases: Fertilizing and watering of a pomegranet, pomegranet, companion plant
pomegranet, companion plant, arid climate: pomegranates prefer semi-arid climate with cool winters and warm summers. a humid climate can affect fruit set. They are self pollinating but a companion plant to cross pollinate will increase fruit set. Please allow 3 years of growth before you can expect...

Plant Diseases: Ficus & pests, cabo san lucas, spider mites
cabo san lucas, spider mites, folige: Hi Rick, It is obvious that you are an avid gardener as you are right on target with your observations. As for the lesions on the leaves, these could be the result of a fungus infestation. Monitor these lesions over the next several days to weeks....

Plant Diseases: Fine white powder on rose leaves, sodium bicarbonate, powdery mildew
sodium bicarbonate, powdery mildew, mini roses: Hi Alison, This is most likely powdery mildew, a fungal infestation. Powdery mildew is a common problem when there is much humidity in the air. In garden roses, the branches in the center of the plant are thinned to provide better air circulation and...

Plant Diseases: Flies in my tree, nicotine sulfate, plant lice
nicotine sulfate, plant lice, sooty mold: Sounds like an insect called aphids. Aphids are small (1/16-1/8 inch long), soft bodied insects commonly called plant lice or ant cows. Virtually every plant has at least one aphid species that attacks it. These small insects are masters of reproduction...

Plant Diseases: Foam / Frothing Sweet Basil plant?, spittle bugs, spittle bug
spittle bugs, spittle bug, basil plant: Hi Christina, The white froth on your plants is called spittle and is produced by spittlebugs (nymphs of the adult froghopper insect). The foam itself is unsightly but harmless. The spittlebug that hides inside the foam is a different matter and can, depending...

Plant Diseases: Fraxinus excelsior, fraxinus excelsior, honey fungus
fraxinus excelsior, honey fungus, rotten wood: The orginal wound could have been caused by any number of things--I would guess mechanical damage. The damage broke through the cambium layer (living cell of a tree trunk) and allowed a fungus to enter the woody part of the tree trunk. The fungus is slowly...

Plant Diseases: So my Friend and I were Talking..., worms humans, agrobacterium tumefaciens
worms humans, agrobacterium tumefaciens, virus diseases: No not the same type as animals. But they get similar diseases. Cancer Agrobacterium tumefaciens is a plant pathogen that causes a disease in dicotyledonous (broad-leafed) plants called crown gall. A crown gall is a tumor that usually forms on the stem of...

Plant Diseases: Frozen trees, tree shape, elm trees
tree shape, elm trees, cold snap: I would wait and see what develops. The trees may have the tops killed back but the root system is still alive and will resprout. If this happens you will need to prune the dead wood out and let the sprouts grow for a while then prune the dead wood. The tree...

Plant Diseases: Fruit Trees/Maple/Walnut, pear trees, maple walnut
pear trees, maple walnut, fruit trees: You do not spray incesticides on tree BUT spray on insects that are on the trees. Each insect is a little different in how it attacks a tree and its life cyale so each one may take a different type insecticide. I would not recommend spraying a tree unless...

Plant Diseases: Fruit tree disease, slave lake alberta, powdery mildew
slave lake alberta, powdery mildew, alberta area: Sounds like powdery mildew. I would suggest using a fingicide spray on the effected foliage. Here is a web link that discribes powdery mildew on apples and its control. You may have to check with your local nursery type store and see if the fungicides listed...

Plant Diseases: Fruitless Mulberry, fruitless mulberry tree, fertilizer spikes
fruitless mulberry tree, fertilizer spikes, bacterial leaf spot: HI,Mike How r u doing? mulberry trees get 2 common leaf diseases.[FUNGAL LEAF SPOT],and[BACTERIAL LEAF SPOT]both r spread by wind n rain splash n both love hot humid conditions.Both start in spring with...

Plant Diseases: Fruitless Mulberry Disease?, fruitless mulberry tree, causal organisms
fruitless mulberry tree, causal organisms, tree stress: Hi John, What you describe sounds like Bacterial Wetwood disease. This is a common disease that affects the central core, bark, and roots of many shade and forest trees. Slime is the exudate generated from wetwood and is toxic to growing areas of the tree....

Plant Diseases: Fruitless Mulberry Infected, fruitless mulberry, black knot
fruitless mulberry, black knot, desert region: I am not real sure what this could be but I lean toward a disease called Black Knot. The best control is pruning the branches that have the disease and destroy the pruned branches. There are some fungicides that can be sprayed also. Here is a web link to Black...

Plant Diseases: Fruitless Mulberry Tree, fruitless mulberry tree, causal fungus
fruitless mulberry tree, causal fungus, white mulberry: The Fruitless Mulberry is a tough landscape tree that will tolerate many urban conditions, such as poor soils, drought, and pH variations. However, this tree is known to have a few liabilities, and should be planted in locations to minimize these. This species...

Plant Diseases: Fruitless Mulberry Tree, fruitless mulberry tree, new leaves
fruitless mulberry tree, new leaves, bayleton: These are leaf spot fungi. I would treat the tree with a fungicide. First rake up any fallen leaves and destroy them this will reduce the amount of spores from the disease that may reinfect the tree. The fungicides that work on leaf spots are: mancozeb (Fore,...

Plant Diseases: Fruitless Mulberry, fruitless mulberry tree, sap flow
fruitless mulberry tree, sap flow, experience sap: The trees are jsut reacting to the pruning. You did not say when they were pruned. Trees such as maple, elm, birch, and fruitless mulberry often experience sap flow or “bleeding” from pruningwounds made in late winter or early spring. Although sapflow is not...

Plant Diseases: Fruitless Mullberry, lawn fertilizer, mullberries
lawn fertilizer, mullberries, tree diameter: Sounds like it needs fertilizer. Fertilize with 1 lb of 10-10-10 fertilizer per inch of tree diameter. scatter this evenly around the tree and water in. I would fertilize now and again in the spring. Make sure you do not use a lawn fertilizer called Weed and...

Plant Diseases: Fungus?, santa ana winds, king palm
santa ana winds, king palm, sagos: Hi Shauna..unfortunately King Sagos are prone to fungus and scale. You will need to drench your plant in an oil spray to smother the disease. I suggest Neem from Dynagrow or a local nursery for non poisonous or check with your local nursery for the chemical...

Plant Diseases: Fungus On Miniature Weeping Willow, powdery mildew control, powdery mildews
powdery mildew control, powdery mildews, weeping willow: It sounds like powdery mildew. This is a fungus that infects a large number of different plants. On some plants, powdery mildews can result in significant damage. Thus, fungicides must be used to achieve acceptable control. For best results with fungicides,...

Plant Diseases: Fungus on my weeping willow, decay fungus, weeping willow
decay fungus, weeping willow, galls: You did not say if the growth was on the trunk or the leaves. If the growth is on the leaves it is an insect gall caused by a wasp type insect. The galls will not harm the health of the tree but if they are in great numbers may cause the leaves to drop...

Plant Diseases: Arborvitae Emerald Green Trees - Disease, reciept, blight
Plant Diseases: Arborvitae Emerald Green Trees - Disease, reciept, blight, plants

Plant Diseases: aloe plant, mold problem, words of advice
Plant Diseases: aloe plant, mold problem, words of advice, answer the question

Plant Diseases: Camellia Bush, pruning camellias, clematis
Plant Diseases: Camellia Bush, pruning camellias, clematis, plants

Plant Diseases: Carrotwood tree problem, flower beds, new neighbor
Plant Diseases: Carrotwood tree problem, flower beds, new neighbor, tiny trees

Plant Diseases: Crepe Myrtle Disease, systemic insecticide, scale insect
Plant Diseases: Crepe Myrtle Disease, systemic insecticide, scale insect, red stuff

Plant Diseases: Crepe Myrtle insects, tamu, japan
Plant Diseases: Crepe Myrtle insects, tamu, japan

Plant Diseases: Crepe Myrtle Pests, glassy winged sharpshooter, plants
Plant Diseases: Crepe Myrtle Pests, glassy winged sharpshooter, plants, rain

Plant Diseases: Fine white powder on rose leaves, sodium bicarbonate, gallon water
Plant Diseases: Fine white powder on rose leaves, sodium bicarbonate, gallon water, tbls

Plant Diseases: Fraxinus excelsior, rubbish
Plant Diseases: Fraxinus excelsior, rubbish

Plant Diseases: Fruitless Mullberry, leaves
Plant Diseases: Fruitless Mullberry, leaves

Plant Diseases: Gardenia care & rose care, gardenia, fungicide
Plant Diseases: Gardenia care & rose care, gardenia, fungicide, fungus

Plant Diseases: Giant poison ivy, poison ivy, herbicide
Plant Diseases: Giant poison ivy, poison ivy, herbicide, herbicides

Plant Diseases: Holly fungus, powdery mildew, fungicides
Plant Diseases: Holly fungus, powdery mildew, fungicides, simple solution

Plant Diseases: holly disease, ewa, holly
Plant Diseases: holly disease, ewa, holly

Plant Diseases: Insects eating birch bark, hershey pa, birch tree
Plant Diseases: Insects eating birch bark, hershey pa, birch tree, bees

Plant Diseases: Magnolia Tree, swarm of bees, sugar content
Plant Diseases: Magnolia Tree, swarm of bees, sugar content, insecticide

Plant Diseases: Mealybugs - Indoor Plants, mealy bug, lady bugs
Plant Diseases: Mealybugs - Indoor Plants, mealy bug, lady bugs, mites

Plant Diseases: Meyer Lemon Tree Disease, dwarf tree, greasy spot
Plant Diseases: Meyer Lemon Tree Disease, dwarf tree, greasy spot, sticky spot

Plant Diseases: Meyer lemon leaf problem, leaf miners, beneficial bacteria
Plant Diseases: Meyer lemon leaf problem, leaf miners, beneficial bacteria, spreader sticker

Plant Diseases: Meyer lemon tree - diseased, meyer lemon tree, natural predators
Plant Diseases: Meyer lemon tree - diseased, meyer lemon tree, natural predators, honeydew

Plant Diseases: Meyers Lemon Tree, tooth brush, colonies
Plant Diseases: Meyers Lemon Tree, tooth brush, colonies, soap

Plant Diseases: Mimosa, long island ny, mimosa
Plant Diseases: Mimosa, long island ny, mimosa, long island

Plant Diseases: Ming Aralia very sick, over wattering has lead to near demise, or so it seems, ming aralia
Plant Diseases: Ming Aralia very sick, over wattering has lead to near demise, or so it seems, ming aralia

Plant Diseases: Mulberry Tree Disease, dead leaves
Plant Diseases: Mulberry Tree Disease, dead leaves

Plant Diseases: maple tree disease, bud development, organic solution
Plant Diseases: maple tree disease, bud development, organic solution, spring time

Plant Diseases: meyer lemon tree, plant fertilizers, recommended dosage
Plant Diseases: meyer lemon tree, plant fertilizers, recommended dosage, dilution

Plant Diseases: meyer lemon tree, water soil, sandy soil
Plant Diseases: meyer lemon tree, water soil, sandy soil, autumn and winter

Plant Diseases: Oak Tree Insects, old oak tree, fungus
Plant Diseases: Oak Tree Insects, old oak tree, fungus, knots

Plant Diseases: Oak Tree, pest controls, aphids
Plant Diseases: Oak Tree, pest controls, aphids

Plant Diseases: Oak trees suddenly dying, google maps, satellite view
Plant Diseases: Oak trees suddenly dying, google maps, satellite view, google

Plant Diseases: oak tree trunk webs, southeast houston, fungicides
Plant Diseases: oak tree trunk webs, southeast houston, fungicides, oak tree

Plant Diseases: Pecan trees, knots
Plant Diseases: Pecan trees, knots

Plant Diseases: Powdery Mildew on Crimson Sentry Maple, chemical fungicide, bud break
Plant Diseases: Powdery Mildew on Crimson Sentry Maple, chemical fungicide, bud break, leaf samples

Plant Diseases: philodendron fungus, cotton balls, rubbing alcohol
Plant Diseases: philodendron fungus, cotton balls, rubbing alcohol, patches

Plant Diseases: red spots on our maple tree, leaf galls, answering the question
Plant Diseases: red spots on our maple tree, leaf galls, answering the question, galls

Plant Diseases: Sago Palm Diseases, sago palm, scale insects
Plant Diseases: Sago Palm Diseases, sago palm, scale insects, sago palms

Plant Diseases: My Sago Palm has a fungus, sagos, hard crust
Plant Diseases: My Sago Palm has a fungus, sagos, hard crust, bug problem

Plant Diseases: Spider webs on evergreen shrub/Holly, bagworms, red spider
Plant Diseases: Spider webs on evergreen shrub/Holly, bagworms, red spider, shrubbery

Plant Diseases: Sunset Maple Tree Bark, sunset
Plant Diseases: Sunset Maple Tree Bark, sunset

Plant Diseases: sago palm, plants
Plant Diseases: sago palm, plants

Plant Diseases: sago palm, flower beds, marbella spain
Plant Diseases: sago palm, flower beds, marbella spain, palms

Plant Diseases: sago palms - white powder disease?, rio grande valley, sago palms
Plant Diseases: sago palms - white powder disease?, rio grande valley, sago palms, dog flea and tick

Plant Diseases: sego palms with white dots, palem, vicks
Plant Diseases: sego palms with white dots, palem, vicks

Plant Diseases: sick braided money tree plant, mold, soil
Plant Diseases: sick braided money tree plant, mold, soil, leaves

Plant Diseases: tiny white insects in soil, small flies, tiny spider
Plant Diseases: tiny white insects in soil, small flies, tiny spider, toxin

Plant Diseases: My tree has Maple spindlegall mites!, silver maple, preventative measure
Plant Diseases: My tree has Maple spindlegall mites!, silver maple, preventative measure, mites

Plant Diseases: White spots on Sago palms, coffee grounds, white powder
Plant Diseases: White spots on Sago palms, coffee grounds, white powder

Plant Diseases: Willow Tree, herbacide, exact same thing
Plant Diseases: Willow Tree, herbacide, exact same thing

Plant Diseases: Wisteria, painters, chemicals
Plant Diseases: Wisteria, painters, chemicals, roots

Plant Diseases: walnut tree with huge spider web like bags full of worms spanning several branches, wenning, garden hose
Plant Diseases: walnut tree with huge spider web like bags full of worms spanning several branches, wenning, garden hose, nozzle

Plant Diseases: weeping willow leaves turning brown, weeping willow, exact same thing
Plant Diseases: weeping willow leaves turning brown, weeping willow, exact same thing, charleston sc

Plant Diseases: white growth on pine tree, horticultural oil, insect
Plant Diseases: white growth on pine tree, horticultural oil, insect, soap

Plant Diseases: worms in potted palm, tiny legs, excess water
Plant Diseases: worms in potted palm, tiny legs, excess water, kitchen counter

Plant Diseases: ferns, covered front porch, ferns
covered front porch, ferns, insect: HI Julie How r u doing?It sounds like u got scale bug which is a soft body insect that hits the under side of leaf.go to your garden center and get a spray that kills scale ORTHO makes a good one...

Plant Diseases: fine webbing on my trees, bark lice, destructive caterpillars
bark lice, destructive caterpillars, lichens fungi: The webs on the trunk is bark lice. The webs in the pecan tree covering the leaves is Fall Webworm. Bark Lice are more properly called Psocids (pronounced SOSS-sids ). They are also called tree cattle because of their habit of living as a group on the...

Plant Diseases: flowering cherry blossom tree, isa certified arborist, cherry blossom tree
isa certified arborist, cherry blossom tree, systemic insecticide: Hey,Brian How u doing it sounds like the tree is under some stress and thats why the tree is not buding out.Check some things out 4 me since i cant see the tree my self.make sure drainage is good...

Plant Diseases: forsythia, insect larvae, summer mulch
insect larvae, summer mulch, household bleach: Hi Judy, In many cases, these small knobs are insect cases for developing larvae. However, if you have opened one and don t see insect larvae, then the knobs are galls. When the galls are opened, they will appear greenish tan in color because they...

Plant Diseases: fruit tree diseases, fruit tree diseases, pear fruit
fruit tree diseases, pear fruit, apple one: Sounds like you ahve a leaf spot type fungus on your trees--they can affect both the leaves and the fruit. You should pick up the leaves after they fall in the Fall and destroy them--they can be a source of future infection. Next spring spray the tree and...

Plant Diseases: fruitless mulberry tree, fruitless mulberry tree, little leaves
fruitless mulberry tree, little leaves, hardwood trees: Too much water will effect a tree the same as too little--leaves wilting and turning prematurely. Unless the tree is standing in water for a long time (a week or so) the abundance of water causes a temporary lost of leaves. Hardwood trees can lose their leaves...

Plant Diseases: fruitless weeping mulberry tree, weeping mulberry tree, yellow leaves
weeping mulberry tree, yellow leaves, leaf surface: Sounds like a leaf spot fungi but this late in the year the tree will soon start shutting down for the winter and controls are not needed. Rake the fallen leaves this winter and destroy them- this will cut down on the fungi spores that are on the leaves. Spray...

Plant Diseases: fungus/growth on a crape myrtle, fungus growth, trunk areas
fungus growth, trunk areas, florida border: The tree has a fungus called powery mildew. It can be controlled with the use of a fungicide. Here is a link to the information on the disease and the control measures. The fungicides can be bought at any garden type store and are easily applied. http://ohioline.osu.edu/hyg-fact/3000/3047.htm...

Plant Diseases: fungus on impatients, plant wilts, soil line
plant wilts, soil line, blackish color: This sounds like Rhizoctonia crown rot. Rhizoctonia solani. Infection first appears as a general decline, yellowing, and wilting of the entire plant. This is usually followed by complete collapse of the plant. Brown to black lesions can often be seen at...

Plant Diseases: fungus on jasmine, powdery mold, powdery mildew
powdery mold, powdery mildew, fungicide spray: This disease is called powdery mildew. A commmon problem on plants. It can be controlled with a fungicide spray but the spray should be repeated every ten days or so for three applications. Here is a web link that will give information on powdery mildew and...

Plant Diseases: fungus on leaves, powdery mildew, fungus growth
powdery mildew, fungus growth, immunox: Sounds like a disease called powdery mildew. A powdery, fluffy white to light gray-colored fungus growth on succulent stems, leaves, buds and flowers is the characteristic symptom of powdery mildew. Young plants and actively growing shoots are more severely...

Plant Diseases: fungus on trees, air polution, forestry agency
air polution, forestry agency, state forestry: Normally the lower limbs on trees die and drop off due to shading. This is a normal process. The green/ grey on the branches are lichens and will not harm the tree. In fact environmentalist seem to feel the presence of lichens is a sign that there is little...

Plant Diseases: Gardenia care & rose care, gardenia care, gardenia plant
gardenia care, gardenia plant, new roses: Hi again...As I explained in my last paragraph all your plants can be sprayed with neem oil. It will cover everything. Rose spot is a fungus and the oil will take care of that and also your azaleas. To me it is the perfect spray. If you know of a plant...

Plant Diseases: Gardenia Plant, gardenia plant, mite infestation
gardenia plant, mite infestation, spider mite: These very small, fine webs are most likely due to spider mite infestation. There are many organic compounds that you can use to control spider mite infestation. Usually in the spring and summer, these pests are controlled by their natural predators outdoors....

Plant Diseases: Gardenia Plants, gardenia plants, waxy strands
gardenia plants, waxy strands, order homoptera: White flies Whiteflies are tiny, soft bodied insects. They are not true flies, but belong to the insect Order Homoptera which means same wing , both the front and back wings are membranous and appear very similar. Other homopterous insects includes:...

Plant Diseases: Gardenias, azealas, new leaves
azealas, new leaves, favorite flower: Hi,Nancy How you doing?The plant sounds like its in shock from the dull winter which they hate!I wouldn t worry to much it may not look to hot this season ,but you can save it for the future.Go out...

Plant Diseases: Gardenias, scale insects, powdery substance
scale insects, powdery substance, gardenias: Hi Charlie, The black powdery substance may be sooty mold. This is a fungus infestation that feeds on the sugars left behind by a sucking insect such as whitefly, aphids, or scale insects. The first step is to identify which insect is causing the problem...

Plant Diseases: Gardinia, new leaves, leaf loss
new leaves, leaf loss, breath of fresh air: Hi Yvon...the plant went into some mild leaf loss due to the cold. It is happening on all gardenias this time of year. It also makes room for new leaves to appear. The reason your leaves are turning black is that you are watering too much. You may need...

Plant Diseases: Gardinia Bushes, lambda cyhalothrin, mold fungus
lambda cyhalothrin, mold fungus, plant juices: The black is sooty mold that is growing on the excrement of one of the sucking insects more than likely white flies. These insects suck the juice from the plant and secrete a substance called honeydew which is high is sugar content--the sooty mold grows on...

Plant Diseases: Giant poison ivy, poison ivy vine, tree trunk
poison ivy vine, tree trunk, herbicide: Spray the foliage of the poison ivy with a herbicide called Roundup. In about 10-14 days you should see the plants dying or dead. Roundup will kill most plants the the foliage is sprayed so make sure you do not spray any green foliage that you do not want...

Plant Diseases: Glozinia, foul odor, insecticides
foul odor, insecticides, different story: Hi Christine! Before I can be of much help, I need for you to be as specific as possible in answering a few questions. Explain to me how the leaves are turning brown and dying. Do the leaves appear brown from the edges first? Are they brittle, or do...

Plant Diseases: Golden Euonymus, golden euonymus, dry hope
golden euonymus, dry hope, cause leaf: There are two things that cause leaf drop on euonymus. The main reason is euonymus scale (an insect). You will be able to see small white bumps on the twigs. If this is the case it will need to be sprayed with Insecticidal Soap a couple of times in the month...

Plant Diseases: GREEN FUNGUS ON BRANCHES, black walnut trees, lichens
black walnut trees, lichens, northeastern ohio: Sounds like lichens. These are common and are not a problem to the health of the tree. Lichens are combination of a fungi and an alga. They are no threat to the tree so there is nothing to do. Here is a web link that will give you more information on lichens;...

Plant Diseases: Green fungus on trunk, norway maples, chlorine bleach
norway maples, chlorine bleach, bleach solution: Hi Jim, Most likely these organisms are not fungi, but rather algae or some type of moss. These are common and do not harm the plants. These most often appear on the shaded side of the trunk and persist in relatively moist environments (high humidity)....

Plant Diseases: Green Scale Wisconsin, flowering crab tree, mold fungi
flowering crab tree, mold fungi, types of fungi: Hi,Gary How u doing? The green scale u talk about is a fungus called (Lichen)which is mold fungi that 4 the most part is harmless to the health of tree.The big thing with it its not pretty to look...

Plant Diseases: Green Scale, flowering crab tree, loose vigor
flowering crab tree, loose vigor, woody plants: These are lichens. A lichen is an unusual organism composed of a fungus and an alga living together symbiotically. The alga converts sunlight and carbon dioxide in air to food. The fungus surrounds the alga, protecting it from drying, and lives off the food...

Plant Diseases: garden fungus, decay fungi, powdery mildew
decay fungi, powdery mildew, leaf surfaces: When you spray the plants completely spray all the foliage with a fungicide. Completely cover the foliage, including the upper and lower leaf surfaces, with the spray. This will take care of the powdery mildew and spots on the roses and impatiens. The mushrooms...

Plant Diseases: gardenia, fuzzy insects, nitrogen fertilizers
fuzzy insects, nitrogen fertilizers, scale insect: Hi Silvia, First, examine the plant s leaves very, very carefully for scale insects. These often appear as very small (3-5mm) oval to circular disks often tan or brown in color. These insects suck the sap from the plants, and leave yellowing of the leaves,...

Plant Diseases: gardenia bushes, slow release fertilizer, liquid fertilizer
slow release fertilizer, liquid fertilizer, winter desiccation: Hi Elaine, How r u? U r right about when the damage took place.This years late ice storms n deep freeze did a number on gardrnia n plants a like.What happen s cold temps n or ice/snow cause winter-desiccation...

Plant Diseases: gardenia dying, gardenias, gardenia
gardenias, gardenia, lost one: Hi Pat. This is really hard trying to help and guessing, but here goes. If you bought some inexpensive gardenias, you may be having a problem with nematodes. Nematodes are small creatures you can t see with your eyes, that live in the ground and clog up...

Plant Diseases: gardenia plant, gardenia plant, florikan
gardenia plant, florikan, insecticidal soap: Dear Joetta...you need to give your plant a shower with soapy water to get rid of the bugs on the plant. Then you can spray it with an insecticidal soap or Neem spray by Florikan which is organic and will work on almost all your plants to keep future bugs...

Plant Diseases: gardenia, little buggers, black bugs
little buggers, black bugs, powdery substance: Hi,Jenn How r u doing?It sounds like u have thrip bug and or scale which would look like a while cotton substance.They eggs were most likely in soil when got it n took off this spring.Go to...

Plant Diseases: gardenias, acid loving plants, soil line
acid loving plants, soil line, fertilzer: HI Elaine How r u?U just answered your problem.They were infested last year with white fly and then had winter burn/kill both have put a lot of stress on plants.They need a lil xtra i would go to the...

Plant Diseases: golden maple, powdery mildew control, upper leaf surfaces
powdery mildew control, upper leaf surfaces, upper leaf surface: Sounds like leaf spots. There are two common ones. Phyllosticta Leaf Spot: This disease, also known as purple eye, is caused by the fungus Phyllosticta minima. On the leaves, spots appear with pale yellow centers and purple borders. The spots are irregularly...

Plant Diseases: grape vine curling and browning, e mail address, grape vine
e mail address, grape vine, leaf margins: Depending on your climate, such browning could be environment-related. This is the time of year in the northern hemisphere that many plants begin to prepare for the winter, and leaves begin to drop. However, this is usually not accompanied by new growth...

Plant Diseases: green &orange balls on maple leaves, humic acids, compost tea
humic acids, compost tea, orange balls: HI,Scott How r u? The green /balls u talk about r called a (GALL).Which occurs in early spring when a insect like a MITE-or/MIDGE/or Aphid injects laves with a egg/Hormone/with its salivia.Then in early...

Plant Diseases: green worms, northern latitudes, bacillus thuringiensis
northern latitudes, bacillus thuringiensis, southern climate: Can you tell me where you are located? This sounds like inchworm or cankerworm infestation. But these are normally not found in northern latitudes until May or June. If you are in a more southern climate, you may have earlier infestations. One of the...

Plant Diseases: growing plants, mineral nutrients, sugar concentration
mineral nutrients, sugar concentration, soil ph: Here is the answer from the MadSciNet----http://www.madsci.org/ The proteins, fats, and sugars in milk and sugar in sugar water provide a food source for microbes, especially bacteria. The bacterial waste products probably cause the bad odor. Bacterial...

Plant Diseases: gull mites on florida ligustrum tree, ligustrum shrubs, ligustrum tree
ligustrum shrubs, ligustrum tree, shurbs: I would hire a fla isa certified arborist! He or she can treat with a miteacide and feed trees if needed! this may cost u 90$ to 150$ per treatment max 2 treatments anymore would be over kill!! let know how it turns or to make sure the prices are fair!!...

Plant Diseases: Holly Bush, yaupon holly, holly bush
yaupon holly, holly bush, fungicide sprays: Sounds like Cylindrocladium Leaf Spot. Thsi fungi can be contolled by the use of a fungicide. Cylindrocladium leaf spot, commonly on Burford , Japanese, American, and yaupon holly, is seen primarily on container stock in the Southeast. This disease may...

Plant Diseases: Holly Bush, holly bush, powdery mildew
holly bush, powdery mildew, varity: This sounds like Powdery Mildew. It is a fungus that will grow on the leaves of a wide varity of plants. It is easily controlled witha fungicide. Here is a web link for information on Powdery Mildew and its control. http://www.ces.ncsu.edu/depts/pp/notes/Ornamental/odin004/odin004.ht...

Plant Diseases: Holly Bushes, yaupon holly, holly bushes
yaupon holly, holly bushes, fungicide sprays: Sounds like Cylindrocladium Leaf Spot. Thsi fungi can be contolled by the use of a fungicide. Cylindrocladium leaf spot, commonly on Burford , Japanese, American, and yaupon holly, is seen primarily on container stock in the Southeast. This disease may...

Plant Diseases: Holly Bushes, holly bushes, mold fungus
holly bushes, mold fungus, sooty mold: Sounds like aphids--the black is a sooty mold that grows on the extrement from the aphids. The aphids suck the plant juices from the plant and produce a extrement called honeydew. This is high in sugar and the mold grows on it. Check and see if the leaves...

Plant Diseases: Holly berries, yellow spring flowers, oregon grape holly
yellow spring flowers, oregon grape holly, holly berries: You must be growing Oregon grape holly (Mahonia aquifolium) rather than an English or American holly (Ilex) because most holly berries are red or orange. Oregon Grape Holly bears shiny green, spiny leaves that turn a rich burgundy in the fall. Blue berries...

Plant Diseases: Holly branches dieing at random, winterberry holly, burford holly
winterberry holly, burford holly, yaupon holly: Could be one of a couple of things. Anthracnose The common holly hosts of anthracnose include English, Chinese, American, inkberry, and winterberry holly. Anthracnose may occur on holly in production nurseries and the landscape. Like Cylindrocladium leaf...

Plant Diseases: Holly bush problem, holly bushes, holly bush
holly bushes, holly bush, water issue: Hi Richard, I am probably not the best person to ask about the holly bushes/trees. There are many fungi that infest holly bushes. As a matter of fact, mine are infested now with an unidentified fungus. You mention that many of the leaves are turning...

Plant Diseases: Holly bushes, holly bushes, sounds like winter
holly bushes, sounds like winter, brown leaves: Hi,Michelle How r u doing?Its sounds like winter damage from low temps wind burn ,and snow burn.this is very common with holleys and this year was bad all over.Good thing is they come back!!with afew...

Plant Diseases: Holly Disease, yaupon holly, fungicide sprays
yaupon holly, fungicide sprays, holly trees: My best guess would be CYLINDROCLADIUM LEAF SPOT Cylindrocladium leaf spot, which is most commonly seen on Burford , Japanese, American, and yaupon holly is reported primarily on container stock in the southeast. This disease may also be introduced...

Plant Diseases: Holly disease, holly bushes, dense shrubs
holly bushes, dense shrubs, tar spot: Sounds like tar spot fungus. Tar spot - Tar, or black, spot causes considerable damage to American hollies, especially in the Southern States. A fungus, Phacidium curtisii, attacks the plants during prolonged wet weather. Leaves and berries turn black....

Plant Diseases: Holly fungus, powdery mildew control, powdery mildews
powdery mildew control, powdery mildews, fall dormancy: Sounds like powdery mildew. Powdery mildews, as the name implies, often appear as a superficial white or gray powdery growth of fungus over the surface of leaves, stems, flowers, or fruit of affected plants. These patches may enlarge until they cover the entire...

Plant Diseases: Holly Infection, holly bushes, native holly
holly bushes, native holly, systemic insecticides: Sounds like leaf miners. Leafminers: Leafminers (Phytomyza species) are common pests of hollies. In South Carolina, the native holly leafminer (Phytomyza ilicicola) is the most common. Leafminers are the larvae (immature forms) of small (about 1/8-inch in...

Plant Diseases: Holly Tree, systemic insecticide, sooty mold
systemic insecticide, sooty mold, holly tree: What you have is an insect cslled aphids--these small insects suck the juices from the plant and excrete a substance called honeydew--a black sooty mold grows on the honeydew. The leaves should feel sticky if you touched them. These insects are easily controlled...

Plant Diseases: Holly tree defoliation, holly trees, powdery mildew
holly trees, powdery mildew, holly tree: It sounds like you have Powdery mildew, a disease of leaves of many plants. To control this disease you will need to spray the leaves (both sides) with a fungicide. There are several that will work and since I am not sure if one can be found in your location...

Plant Diseases: Homework help, leaf symptoms, yellow leaf
leaf symptoms, yellow leaf, leaf color: Hi Jimmy, When plants don t have a good supply of nutrients (minerals), such as iron, magnesium, potassium, and others, the leaves can turn yellow. This is called chlorosis. This condition does not have to be disease-related; it can just be due to a shortage...

Plant Diseases: Honeysuckle aphids, handsoap, native plants
handsoap, native plants, honeysuckle: Hi Lu, If it were only that easy to kill honeysuckles. (They have escaped from homes and gardens and spread into the surrounding ecosystems, and they are choking out native plants.) Your honeysuckle should do well, and depending on the species, may continue...

Plant Diseases: Honeysuckle disease, leaf blight, fruit control
leaf blight, fruit control, powdery mildew: It sounds like one of twp diseases. Leaf Blight, Herpobasidium. Leaves are deformed, thickened, and curled, often with whitish bloom. This disease is favored by wet weather and is usually not considered a serious problem. Pruning and destroying infected...

Plant Diseases: Honeysuckle pests and disease, flower buds, powdery mildew
flower buds, powdery mildew, powdery substance: Sounds like powdery Mildew. This is a disease that if not controlled may cause serious damage. I would sugest you spray the foliage with a fungicide for powdery mildew. Here is a web site that gives information on powdery mildew and control measures including...

Plant Diseases: Houseplants are dying, garden pesticides, soapy water
garden pesticides, soapy water, root system: Sounds like a aphid problem and possibly you are not getting good coverage when you are spraying. Try using a product with the active ingredient Imidacloprd. This can be found in most garden shops that have a good inventory of home and garden pesticides and...

Plant Diseases: hedge dying, soil chemistry, low iron
soil chemistry, low iron, nothing works: What is your feeding and watering regimen on these hedges? Yellowing can be a symptom of low nitrogen, low iron, or high alkalinity in the soil. Over the years, the soil chemistry may change, and you may need to supplement the soil with some kind of nutrients....

Plant Diseases: You helped me on a Sago palm & was hoping you'd help me with some others., sago palm, florikan
sago palm, florikan, yellow leaves: Hi Sandra...I would have to guess that the leaves are falling off due to lack of water. The roots maybe getting to much for the pot that it is in. I use a product called Saturade by Florikan that helps loosen the soil and keeps the water near the roots of...

Plant Diseases: hollow tree disease?, hollow trees, immense strength
hollow trees, immense strength, vital processes: Let me tell you up front I am Not a fan of tree removal men who are not foresters telling homeowner how to deal with their trees. I have never heard of this word--and I am always suspicious of folks using large words when they can not spell them or pronounce...

Plant Diseases: holly black leaves, sooty mold, plant juices
sooty mold, plant juices, scale insects: It sounds like either aphids or scale insects-both suck the plant juices and excrete honeydew and a black sooty mold grows on the leaves. Check and see if the leaves feels sticky if so then contol the insects and the black sooty will wash off over time. Scales...

Plant Diseases: holly bush, dense shrubs, holly bush
dense shrubs, holly bush, tar spot: Sounds like tar spot fungus. Tar spot - Tar, or black, spot causes considerable damage to American hollies, especially in the Southern States. A fungus, Phacidium curtisii, attacks the plants during prolonged wet weather. Leaves and berries turn black....

Plant Diseases: holly bush problems, plant health care, holly bush
plant health care, holly bush, systemic insecticide: Hi Rebecca, It sounds like your holly tree has leafminer which is an insect that is inside the leaf that can look like yellow scrigly line or clusters.u have to treat tree/shrub with a spray with the...

Plant Diseases: holly bush with white spots on underleaf, holly bush, insecticidal soap
holly bush, insecticidal soap, black mold: Hi,Jean How r u? NO need 4 a fungicide u have a bug called [SCALE]! This is soft body insect that feeds on the under neath of the leaf and appears as to look like white cotton fuzz.Sometimes...

Plant Diseases: holly bush, dense shrubs, holly bush
dense shrubs, holly bush, tar spot: Sounds like tar spot fungus. Tar spot - Tar, or black, spot causes considerable damage to American hollies, especially in the Southern States. A fungus, Phacidium curtisii, attacks the plants during prolonged wet weather. Leaves and berries turn black....

Plant Diseases: holly disease, systemic insecticide, honey dew
systemic insecticide, honey dew, black mold: Sounds like the holly has an infestation of aphids. The black is from the aphids-they suck the sap from the leaves and have a waste product called honey dew and a black mold grows on this honey dew. If you control the aphids you will control the black ....

Plant Diseases: holly diseases, feeding on the leaves, orthene
feeding on the leaves, orthene, aphids: No aphids do not cut holes in the leaves they suck the juice and make the leaves curl. Sounds like you have an insect that is feeding on the leaves. I would check close and see if you can find any insect feeding--may not be able to find them--some feed at...

Plant Diseases: holly tree disease, dense shrubs, holly trees
dense shrubs, holly trees, tar spot: Sounds like tar spot fungus. Tar spot - Tar, or black, spot causes considerable damage to American hollies, especially in the Southern States. A fungus, Phacidium curtisii, attacks the plants during prolonged wet weather. Leaves and berries turn black....

Plant Diseases: holly trouble, fungal pathogens, winter damage
fungal pathogens, winter damage, hollys: Hi Mike, This is most likely winter damage. To confirm this, the tips and edges of the leaves will appear brown first (from freeze), then the leaves will become very brittle. We have had some severe ice storms here this winter also, so I see that a lot...

Plant Diseases: honey suckle disease, honey suckle plant, brown blotches
honey suckle plant, brown blotches, powdery mildew: Sounds like you may have powdery mildew (a Fungus disease). I would check with your local nursery/garden type store and ask for a fungicide that will kill powdery mildew. If left alone it will kill the plant. But with a fungicide you can have a healthy plant...

Plant Diseases: honeysuckle infestation, dish soap, spider mites
dish soap, spider mites, rain water: Hi Treece How r u doing?It sounds like u got infection of spider mites which come in many colors red ,white,yellow and they make a webbing over the leaves n buds.Go to the garden center and get a...

Plant Diseases: hybrid willow hit by weed and feed, hybrid willow, weed and feed
hybrid willow, weed and feed, herbicide: Start near the end of a upper branch and scrape a little of the bark off and if the color under the bark is green then the branch is still alive at this point on the branch. If the color is brown not green the the branch is dead at this point on the branch....

Plant Diseases: hydrogen peroxide as plant disinfectant, hydrogen peroxide, oxygen radicals
hydrogen peroxide, oxygen radicals, tree stress: Gummosis is a symptom of another underlying fungal infestation or bacterial infection. Without treating the cause of the gummosis, you are just delaying the inevitable. Hydrogen peroxide functions at the cellular level by producing hydroxide radicals which...

Plant Diseases: Identifying green growth on the trunk of a Maple tree, bradford pear tree, sodium bicarbonate
bradford pear tree, sodium bicarbonate, ball moss: Sounds like one of the lichens. When lichen is wet from rain or dew, it grows actively. It also likes sunshine, and will grow well in winter after the leaves have fallen from deciduous trees and no longer block the light, or on trees with badly thinned canopies....

Plant Diseases: Identifying Tree Disease, algea, dogwoods
algea, dogwoods, green stuff: What you discribe is Lichens. This is a plant that is a combination of a fungus and a algea and generally not causing problems but maybe an indication of the plant not being healthy. Here is a web link to information on lichens and their control if needed....

Plant Diseases: Iive oak diseases and parasites, texas forest service, oak diseases
texas forest service, oak diseases, gall wasp: I would recommend cutting the grape vines, cow itch vines and the yaupons. Then thinning the dead limbs off the live oaks. Fertilize them with a all around fertilizer 13-13-13. I feel it maybe more complicated than your short question so I would also recommend...

Plant Diseases: Improved Meyer Lemon Tree, citrus aphid, meyer lemon tree
citrus aphid, meyer lemon tree, improved meyer lemon tree: Hi Vera...You did the right thing with the soapy water. The feeding of sucking insects such as aphids and thrips cause leaf curl on citrus. Aphid are small green or yellowish green insects. Their presence causes leaves to curl and yellow. They also secrete...

Plant Diseases: Indoor Mini Rose Bush Disease, unopened flower buds, fungus mycelium
unopened flower buds, fungus mycelium, powdery mildew: It sounds like you may have powdery mildew on your mini-rose. Symptoms: Powdery mildew is named for the grayish-white, powdery mat consisting of fungus mycelium and masses of spores present on the surface of plant tissues. The mildew mat may vary from white...

Plant Diseases: Infestation, spider mite control, spider mites
spider mite control, spider mites, spidermites: Sounds like spider mites. These can easily be controlled with an insecticide. Check with your local nursery/garden type store for an insecticide for spider mite control. Here are a couple of web sites that will give more information on spidermites and their...

Plant Diseases: Insects eating birch bark, river birch trees, forestry agency
river birch trees, forestry agency, state forestry: From your discription it would be hard to guess what insect is your problem. I would suggest you call the Va. State Forestry Agency and ask one of their Foresters to come to your place and diagnose the problem. This is a free service and IF the local forester...

Plant Diseases: Insects on Gardenias, bodied insects, insecticidal soaps
bodied insects, insecticidal soaps, scale insects: I would think your gardenia has either scale insects or aphids. Look for small bumps on the twigs or leaves--if these exist then the problem is scales, Or look for small clear bodied insects that crawl--these are aphids. Both suck the juice out of the plant...

Plant Diseases: Italian Cypress, italian cypress, day laborer
italian cypress, day laborer, large hole: Italian cypress has a deep tap root and a pretty good dense laterial root system. So it depends on if you want to or need to remove the whole root system. If you are going to replace the tree with low plants that do not need a large hole dug you could cut...

Plant Diseases: Italian cypress & Euonymus question, italian cypress, spider mites
italian cypress, spider mites, powdery mildew: The spider mite can be controlled by the use of Insecticidal soap or insecticides. I prefer using regular insecticides, I suggest that you go to your local nursery /garden type store and ask for an insecticide for spider mites that works in your area. Here...

Plant Diseases: Italian cypress tree, italian cypress, cypress trees
italian cypress, cypress trees, cypress tree: If you are talking about the middle being the inner leaves (needles) this is not a problem. If the foliage on the outside of the crown is green and growing there is no proble. Normally the tree sheds the inner needles due to shading and/or the normal process...

Plant Diseases: indoor lemon tree/plant, south devonshire, leaf petiole
south devonshire, leaf petiole, devonshire england: Hello Ronald, Greetings. What you see on your lemon tree is sooty mold which caused by a fungal infestation. This particular fungus feeds on the sticky sweet honeydew which is produced by either scale insects or mealybugs. These are both very common...

Plant Diseases: insect pods on arborvitae, tiny larvae, emerald green arborvitae
tiny larvae, emerald green arborvitae, trees and shrubs: These are bagworms. Bagworms are caterpillars that make distinctive spindle-shaped bags on a variety of trees and shrubs throughout the USA. They attack both deciduous trees and evergreens, but are especially damaging to juniper, arborvitae, spruce, pine...

Plant Diseases: Jade Plant drooping, coleus plants, wholesale district
coleus plants, wholesale district, african violet: Hi Micah, If you have found root rot, you have done the right thing by removing the old potting mix from the roots. Your plant may not recover, but you now know what you are dealing with. In the future, with succulents such as Jade, allow the soil/potting...

Plant Diseases: >> Jade Plant Problem <<, soil microbes, nitrogen compounds
soil microbes, nitrogen compounds, wooden pots: Diane, These mushrooms and molds are natural decomposers; they use the decaying organic matter in the soil to grow. They are not feeding on your plant s roots, and these are often seen as signs of good soil health. The soil microbes (and fungi) convert...

Plant Diseases: Jade plant pests, true spiders, spider mites
true spiders, spider mites, spider population: Charlie, First of all, is the plant outdoors? If not, you could be having a top heavy plant because in low light, the plant cells elongate. In either case, I would take several cuttings from the plant and re-root them (as an insurance policy). If there...

Plant Diseases: Japanese Holly scale, light infestations, japanese holly
light infestations, japanese holly, sticky cards: Many scale species are pests of holly. Scales are unusual insects in appearance. They are small and immobile, with no visible legs. Scales vary in appearance depending on age, sex and species. They feed on sap by piercing the leaf or stem with their mouthparts...

Plant Diseases: Japanese Maple Trees, japanese maple trees, japanese maple tree
japanese maple trees, japanese maple tree, phyllosticta leaf spot: Phyllosticta Leaf Spot of Maple. Pathogen: Phyllosticta minima Like many fungal leaf spots, this disease affects a number of maple species, most prominently Amur, Japanese, red and silver maple. The disease causes little damage because the infection...

Plant Diseases: Japanese Maple, japanese maple tree, sporut
japanese maple tree, sporut, red bud: Sounds like you are doing what I would recommend --pruning the dead or dying branches off. The Red bud is responding to the damage by putting out sprout. One of these new sporut will become the main trunk. Assuming the old tree trunk is dead select one of...

Plant Diseases: Japanese Red Maple damage, weed wacker, japanese red maple
weed wacker, japanese red maple, dry spells: Yes the cambium is damaged. And it looks like severe. If the damage goes all the way around the tree trunk there is not much that can be done. If not then you might try putting grafting wax over the exposed area of the trunk--this will seal the area and keep...

Plant Diseases: Japanese Red Maple Tree, red maple tree, japanese red maple tree
red maple tree, japanese red maple tree, japanese red maple: These are called scale insect. They live in these domes and suck the plant juices from the plant. Usually the limbs and if there is a heavy infestation the leaves are sticky with the extract from the scales. You have an excellent example of wax scale....

Plant Diseases: Japanese(red) Maple disease?, windward sides, japanese red maple
windward sides, japanese red maple, leaf margins: The symptom known as leaf scorch results when the roots are unable to supply enough water to replace that used by the leaves. For this reason scorch is most commonly seen following dry spells, drought, or on windy sites. The most common pattern of leaf...

Plant Diseases: Japanese red maple, japanese red maple, japanese maples
japanese red maple, japanese maples, mulch: There are many varieties of Japanese maples some do shed their bark starting near the ground. If the foliage is healthy looking and there are no signs of any insect boring into the trunk I would say this bark shedding is normal. Let it peel off on it own....

Plant Diseases: Jasmine disease?, jasmine plants, neem oil
jasmine plants, neem oil, black leaves: Hi Carroll, If it is a bug or a disease, I would recommend 100% Neem Oil, please read label as poison is being added to the product. It is a fungicide and a miticide, it alters the taste and kills nothing. Bugs will not recognize the plants and go else where....

Plant Diseases: Jasmine Fungus, dish detergent, miticide
dish detergent, miticide, splotches: Hi Bob, you don t say if you have orange or lakeview jasmine. The lakeview is a better variety with less problems. I use neem oil 100% pure for all my plant problems at the nursery. You mix it with water and dish detergent and spray. It doesn t kill anything...

Plant Diseases: Jasmine plants, jasmine plants, dish water
jasmine plants, dish water, air vent: Hi Aslam..Some of your leaves could be falling off due to heat from the vent, moving it in from outside or not enough water and more than likely the bugs on the plant are sucking the life out of the leaves and they are falling off. Get a magnifying glass...

Plant Diseases: Jasmine, jasmine plant, organic salts
jasmine plant, organic salts, nitrogen deficiency: Hi Geoff, With so little information, it is very difficult to determine the cause of the leaf drop. Your jasmine is most likely a tropical evergreen grown for the wonderfully fragrant blossoms. If your climate is reliably mild (above 5 degrees C at night),...

Plant Diseases: JUNIPER SHRUB, tip blight, spider mites
tip blight, spider mites, junipers: Hi Ernest Browning of junipers can be caused by several things. I would suggest that you take a sample to a local garden center for the best diagnosis. It could be; -too dry -too wet -juniper scale (an insect) -spider mites -juniper tip blight (A...

Plant Diseases: jade tree, leaf defoliation, jade tree
leaf defoliation, jade tree, houseplants: That is a shame about this plant. Have you moved the plant recently? Sometimes a change in environment can cause leaf defoliation. If you want to try to treat with a fungicide, go purchase a fungicide called Daconil. Mix this up for ornamental houseplants...

Plant Diseases: jade tree, miticide, jade tree
miticide, jade tree, water shower: Hi Pamela..you can use Neem Oil on it. Get 100 percent pure oil, read label. It is a fungicide and it will help heal your plant, it is also a miticide incase it is mites. Whatever the cause this product will get your plant back to health. You can also...

Plant Diseases: japanese maple tree, forest health section, japanese maple tree
forest health section, japanese maple tree, sc forestry commission: Sounds like it could be slim flux or borer damage. With out a picture I would not be able to ID which or recommend a treatment since both of these would be different type treatments. I would recommend that you call the local office of the SC Forestry commission...

Plant Diseases: jasmine plants problem, jasmine plants, african violets
jasmine plants, african violets, different types of soil: Hi Jane.. Usually when leaves dry and fall off it means they are not getting enough water. Yellow leaves not enough water, black leaves too much. Use Neem 100 per cent pure insecticidal spray, it is a fungicide, miticide and general spray to protect all your...

Plant Diseases: jasmine tree, jasmine tree, soapy water
jasmine tree, soapy water, mildew: Hi Lynnea...What your plant has in sooty mold. You can wash it off with soapy water. Then I would spray it with an insecticidal spray like Neem, a great product that has no poison in it and will protect it from future bouts with the mildew, it will take...

Plant Diseases: juniper and cedar disease, juniper bush, insect populations
juniper bush, insect populations, destructive insects: Hi Carol, It is hard to tell with so little information. It could be many things including webs of small beneficial spiders. Examine the substance closely to notice any structures that would indicate that it is spider-related. If so, then leave them...

Plant Diseases: Killing carrotwood tree, paintbrush, small portion
paintbrush, small portion, full strength: You re on the right track. Suckers will continue to sprout as long as the roots remain alive. If you keep cutting the suckers down (before they produce leaves), the roots will eventually run out of energy and will suckers will cease to sprout. You can help...

Plant Diseases: King palm trunk, systemic insecticide, palm trunk
systemic insecticide, palm trunk, king palm: Hi Dan, Whats up!I Would treat tree asap!It sounds like some damage has been done already.Treat tree with a knock down killer like ortho home defense [premethin].This will kill on contact.I also would...

Plant Diseases: King Sago Palm, king sago palm, sago palms
king sago palm, sago palms, liquid fertilizer: Sago palms do best as container plants, but if this one is in the ground you are right to control the amount of water it gets. They like to dry out almost completely before being watered. If it is in a container, never let water sit in a drip tray after watering....

Plant Diseases: Lacebark Elm, black ants, trunk diameter
black ants, trunk diameter, dead limbs: I am not sure what caused the problem but if there is still some green under the bark when you scraped then I would prune back the dead limbs and wait until next spring and see if the tree will resprout. If the root system is ok the tree will sprout again...

Plant Diseases: Landscape trees, landscape trees, soil level
landscape trees, soil level, dappled shade: Tom, First I would check to see that the trees are not planted deeper than the soil level when they were in the container. Next I have to tell you that I have not run across the problem with your redbud. I ve always considered redbud as pretty much bulletproof....

Plant Diseases: Leaf Drop, soil acidifier, neutral soil
soil acidifier, neutral soil, central valley california: Hi Margaret, I have a feeling that what you are experiencing is a pH problem. All of the plants you mention like moderately acid to neutral soil. The soils of the central valley in California tend to be on the alkaline side. When the pH is in the alkaline...

Plant Diseases: Lemon/Lime tree fungus, chemical insecticide, tree fertilization
chemical insecticide, tree fertilization, tree fungus: For the aphids there are couple of treatments these work less than the insecticides. For the powdery mildew there is a alternate BUT I do not know how well it will wrok. Apgids Biological Control - Encourage Predators and Parasites Lady beetles, green...

Plant Diseases: Lemon Tree (Bush), copper fungicide, food suppliments
copper fungicide, food suppliments, drip system: I know that there was a bad frost in socal last winter did your area get cold ? if so this could be a problem if you had to cut back any of the tree,you may be dealing with sucker growth that is originating below the graft line.Is the tree bark pealing anywhere...

Plant Diseases: Lemon Tree Fungus?, tree fungus, scale insect
tree fungus, scale insect, insect infestation: Hi Jennifer, Try to give me some more information. You mention that you had first noticed white spots on the bark. Were these regular in shape, i.e. were they nearly circular or ovular in shape,~5mm (1/16 )in diameter? If so, this is a scale insect...

Plant Diseases: Leylandii Hedge, leyland cypress, chlorine bleach
leyland cypress, chlorine bleach, water stress: Sounds like a disease called Seiridium canker. The under lying cause is stress on the tree by usually weather condition. Seiridium canker, caused by Seiridium unicorne, is probably the most damaging disease on Leyland cypress. Plants of all sizes and ages...

Plant Diseases: Leylandii Hedging, tewkesbury, many thanks
tewkesbury, many thanks, floods: I am sorry to say I believe your cypress are dead. I have seen them along the roadside here after flooding and they were dead. 6 days is along time to be underwater. They like it dry...I think I would just go ahead and replace them with something that could...

Plant Diseases: Lichen, asbestos shingles, sodium bicarbonate
asbestos shingles, sodium bicarbonate, ball moss: No products are labeled for lichen control, but copper fungicides labeled for ball moss, or the home remedy of baking soda (sodium bicarbonate) for ball moss control (label pending) are detrimental. In pecan orchards, the fungicides used for scab and downy...

Plant Diseases: Lightning Wound attracts Insects, Disease, sweat bees, lightning strike
sweat bees, lightning strike, root injury: As far as prognosis--I would wait until next spring and see if the tree is still alive and how healthy it is before I started any treatment. The insects are coming after the sap that is probably ozzing out of the trunk. You can sray the area with a insecticide...

Plant Diseases: Lilac Bush, white leaves, lilac bush, powdery mildew
lilac bush, powdery mildew, white ash: Sounds like powdery mildew. This is a fungus that will infect many species of plants. The plant should be sprayed with a fugicide --make sure all surfaces of the leaves are covered with the spray mixture. You can get ready to use sprays at most garden type...

Plant Diseases: Lilac bush disease, lilac bush, powdery mildew
lilac bush, powdery mildew, air circulation: Marc, I m told I didn t answer this question. If so, my apologies. I certainly thought I had. I believe your lilac has powdery mildew, which is caused by high temperatures and low humidity. As we move deeper into fall, your lilac will lose its leaves...

Plant Diseases: Lilac bush, lilac bush, bark mulch
lilac bush, bark mulch, leaf disease: I think January is early to see new growth--this usually occurs in the spring so just relax and wait. Lilacs will tolerate a range of soil so I would think the bark mulch will harm the bush--in fact these should be mulched. There are leaf disease that will...

Plant Diseases: Lilac not flowering, lilac bushes, fish emulsion
lilac bushes, fish emulsion, flower buds: The lilac may not be blooming because it is getting too much shade or nitrogen-rich fertilizer. You might be able to stimulate it to set flower buds by driving a straightedge spade into the ground around the edge of the spread of the foliage. Do that in about...

Plant Diseases: Lilac tree, lilac tree, drainage
lilac tree, drainage, soil: Hi,Maureen How r u? Being that i cant c the tree in person i will have u answer a few ? 4 me.Is there any white on the branches or underneath of the leaf.Is the tree planted deep with a soil piled up.Have...

Plant Diseases: Lime Tree, google images, leaf miners
google images, leaf miners, tent caterpillar: Imidacloprid is recommended for use on many tropical fruits. The question is if the label says for use on fruit bearing plants. It is also recommended for many vegetable crops. I do not see a problem with using it, but Lime doesnt show up on anything I...

Plant Diseases: Lime tree, lime plant, purpose fertilizer
lime plant, purpose fertilizer, lime tree: There is wide variation in the thickness of the rinds in citrus fruit. This is particularly the case in the limes. The common Persian rinds tend to have a very, very thin rind, and other cultivars (hybrids) tend to have features indicative of their pedigree....

Plant Diseases: Locust Borer, locust borer, mulch layer
locust borer, mulch layer, systemic insecticides: Soil-applied Systemic Insecticides Systemic insecticides applied to the soil are taken up by the roots and translocated throughout the tree. The most widely tested systemic insecticide for control of EAB is imidacloprid, which is available for use by professional...

Plant Diseases: Locust Tree, leaf spot diseases, locust tree
leaf spot diseases, locust tree, winter leaf: We often see a lot of leaf drop in June as a result of the increasing heat and dryness. Leaves (leaflets on the locust tree) that were produced under cooler conditions are often dropped by the tree as wind and heat increase water loss by the tree. This is...

Plant Diseases: Locust tree new growth wilt, locust leafminer, honey locust
locust leafminer, honey locust, outbreak conditions: Sounds like locust leaf miner. The locust leafminer is primarily a pest of black locust. Adults skeletonize and eat holes in the leaves; whereas, larvae mine the tissue between the upper and lower-leaf surface (mining damage is the most destructive). Under...

Plant Diseases: lamon tree curled up distorted leaves, lamon tree, leaf curling
lamon tree, leaf curling, organic gardener: Hi Aisha, we have the same problem here in Florida. The leaf curling is caused by the leaf minor, a moth, that lays her eggs on the leaves and it bores thru leaving what looks like railroad tracks on the back of the leaves. She lays her eggs every seven...

Plant Diseases: leaf blight/disease on victoria plum tree, plum pocket, victoria plum
plum pocket, victoria plum, lime sulfur: Hi Brian, What you describe sounds like a very common disease, Peach Leaf Curl caused by the fungi in the genus _Taphrina_. The diseases caused by these fungi are not lethal to peach or plum unless the infestation is very severe and long term. Peach...

Plant Diseases: leaf disease, powdery mildew, new leaves
powdery mildew, new leaves, leaf disease: Sounds like powdery mildew, a fungus that infect many plants. It can be controlled with the use of a fungicide. Here is a web link that will give more information on powdery mildew and the fungicides that will control it. It is one of the diseases that can...

Plant Diseases: leaf mold, leaf mold, powdery mildew
leaf mold, powdery mildew, redbud tree: I do not know the term leaf mold I would think what you have is called powdery mildew. This is a fungus that will get on a large number of species of plants but it is easily controlled with a fungicide. Here is a web link to more information on powdery mildew...

Plant Diseases: leland cypress, twig dieback, leland cypress
twig dieback, leland cypress, bot canker: It could be one of two things Seiridium Canker and Twig Dieback or Botryosphaeria (Bot) Canker. The inner needles shedding is normal but needles on the outer parts of branches indicate something is wrong. Here is a web link that describes the two most common...

Plant Diseases: lemon tree, balanced fertilizer, predatory insects
balanced fertilizer, predatory insects, long periods of time: Hi Ruth, Your lemon tree can certainly go outside now, even though the temperatures may seem a bit low, all tropicals can withstand temperatures into the 40s short term. Most lemons can withstand temperatures at or near freezing. I am a bit confused....

Plant Diseases: lemon tree bark disease, opportunistic fungus, moderate climate
opportunistic fungus, moderate climate, citrus canker: Hi Terry/Teresa, I will have to do some more research on this one. My first thought was citrus canker, but that is not a disease common to California. If you have a magnifying glass, examine the lesions very carefully to see if these fuzzy lesions show...

Plant Diseases: lemon tree dots, brown dots, worm farm
brown dots, worm farm, thumb nail: Hi Louise, Thanks for all the information regarding your lemon tree. What you describe are classic symptoms of scale infestation. As you can remove the small dots , that also suggests a scale infestation. However, there are two things usually apparent...

Plant Diseases: lemon tree leaf fall, slow release fertilizer, florikan
slow release fertilizer, florikan, yellow leaves: Hi Jay... sounds like your problem is not enough water. It is much harder to grow a plant indoors. If you have a basin under your pot you must empty it out after 15 minutes or the plant will rot. If it is above freezing put your plant out on the porch for...

Plant Diseases: lemon tree question, leaf petiole, powdery mildew
leaf petiole, powdery mildew, fungal species: Hi Dan, From your description, I would first suspect a fungal infestation. Do you see any crawling white specks or insects where the leaf petiole attaches to the stem? There are many fungal species which are pathogenic. Powdery mildew is a common pathogen,...

Plant Diseases: lemon tree under attack, spider mites, intense sunlight
spider mites, intense sunlight, citrus trees: Water the plant thoroughly and place it in bright, direct light. A western or southern exposure is best. Don’t let the soil get too dry between waterings. Citrus trees like regular watering. Citrus trees are heavy feeders, so they should be fertilized once...

Plant Diseases: lemon tree, insect populations, scale insects
insect populations, scale insects, scale insect: Hi Karina, It sounds as though you may have a mixed infestation of mealybugs and scale insects. Both are closely related. The juvenile scale insects resemble the mealybugs very much. Once the scale insects mature, they develop hard shells under which...

Plant Diseases: lemonade tree, lemonade tree, insect pests
lemonade tree, insect pests, insect infestation: Hello Elly, If the leaves on your lemon tree are curling, there are three common possibilities: 1. Some insect pests will cause some leaf curl. In spring, aphids might do this on soft new leaves. Look inside the curl for presence of insects. If none...

Plant Diseases: light green fungus, pineapple guava tree, threadlike structures
pineapple guava tree, threadlike structures, definite shape: Hi Bobby, I am not certain that what you are seeing is a fungus. Fungi rarely are that color. There are lichens (a combination of algae and fungi) that are found on many tree trunks, and depending on the amount of algae in the lichen can appear a shade...

Plant Diseases: lilac bush disease, lilac bushes, lilac bush
lilac bushes, lilac bush, bordeaux mixture: I think this maybe your problem: Bacterial blight of lilac is caused by the bacterium Pseudomonas syringae pv. syringae. Several samples showing the presence of this disease have been recently received in the Plant Disease Clinic. Initial symptoms include...

Plant Diseases: lilac tree, powdery mildew control, powdery mildews
powdery mildew control, powdery mildews, fall dormancy: This sounds like powdery mildew. Powdery mildews, as the name implies, often appear as a superficial white or gray powdery growth of fungus over the surface of leaves, stems, flowers, or fruit of affected plants. These patches may enlarge until they cover...

Plant Diseases: lilac tree disease, lilac trees, lilac tree
lilac trees, lilac tree, mail lady: Hi Debbie, Lilac trees at this time of year (northern hemisphere?) are usually infested with powdery mildew. These fungal infestations are not damaging, but the warm days and cool nights provide ideal conditions for fungal spore production. What are you...

Plant Diseases: lilac tree, soil compaction, lilac tree
soil compaction, lilac tree, slow drainage: Hi Laurie How r u?That is not the problem with the lilac tree.1st make sure u dont have drainage problems and tree does not sit in excess water due 2 soil compaction n or slow drainage.The main problem...

Plant Diseases: lilacs, bees and wasps, sapwood and heartwood
bees and wasps, sapwood and heartwood, carpenter bees: Hi Dave, What size is the hole in the lilac? There are a number of bees and wasps that can bore holes in wood. More often than not, weakened or dead wood is more prone to infestation. If you have photos, that would help. You may send them to jdcawly@mckendree.edu....

Plant Diseases: live oak leaf problem, forest health specialist, county foresters
forest health specialist, county foresters, forestry agency: I can not ID the problem from the information you sent. I would suggest you contact the Florida State Forestry agency and ask one of their Foresters to come take a look. This is a free service. Florida has a Pathologist and an Entomologist on staff and if...

Plant Diseases: live oak webs, bark lice, live oak tree
bark lice, live oak tree, destructive caterpillars: Sounds like bark lice. Bark Lice are more properly called Psocids (pronounced SOSS-sids ). They are also called tree cattle because of their habit of living as a group on the bark of hardwoods, particularly oaks, and have been reported locally on citrus...

Plant Diseases: locust tree, honey locust tree, pyrethroid insecticides
honey locust tree, pyrethroid insecticides, twig dieback: Honeylocust plant bugs commonly infest honeylocust in late spring. This common damaging species of plant bug is generally green. When immature, it superficially resembles an aphid but is much more active. Injured foliage shows yellow or brown spotting. Leaves...

Plant Diseases: MAPLE TREE, dry weather, dead material
dry weather, dead material, maple tree: It may just be late leafing out this year. Check the outer branches for life--scrape a small bit of bark off near the end of the branch and if the color under the bark is green then the branch is still alive. If the color under the bark is brown the branch...

Plant Diseases: THE MAPLE TREE, fungicide spray, tree vigor
fungicide spray, tree vigor, pesticide label: The spots are a leaf spot fungus which infects the leaves. This fungus normally does not effect the overall health of the tree but will make the leaves drop prematurely. The control for this disease is to spray the leaves in the spring with a fungicide which...

Plant Diseases: Magnolia Tree, systemic insecticide, white fungus
systemic insecticide, white fungus, magnolia tree: Sounds like an insect called aphids. They suck the plant juices from the plant and excrete a substance called honeydew--a sooty mold will grow on the honeydew. The liquid is sticky from the high sugar content. Control the aphids and the dripping will stop....

Plant Diseases: Magnolia x Soulangiana, Rosea, sticky honeydew, scale insect
sticky honeydew, scale insect, scale insects: Hi Gitta, Wenn ich fragen darf, sind Sie vielleicht Deutsche? I am not sure that the leaf problem is disease related. My sister, who also lives in Florida, had a similar problem. When she talked with a local arborist, he told her that Magnolias in...

Plant Diseases: Majasty Palm, lumps and bumps, types of pathogens
lumps and bumps, types of pathogens, scale insect: Hi Lisa, I thought I had answered your question, but perhaps not. I am sorry if you have not received an answer yet. First, it would be a great help to have any photos that you can provide. If you have any close-up (the closer, the better)photos to...

Plant Diseases: Mamosa diseases, slime flux, mamosa trees
slime flux, mamosa trees, mimosa trees: I am sorry to say this sounds like a disease that is fatal to mimosa. It could be one of thwo things--Slime flux or mimosa wilt. Slime flux or wetwood oozes froth from the trunk and is caused by a bacteria in the wood generating pressure and the foliage looks...

Plant Diseases: Maple Bladder Gall Disease, leaf galls, maple tree disease
leaf galls, maple tree disease, eriophyid mites: Onece the galls are formed by the gall midge or mite there is no real way to get the insecicide to the bug . Look At this web link and you will see there is only a small window of opprotunity to get an insecticide to the young insect before it get incased...

Plant Diseases: Maple bark oozing white foam, slime flux, carbon dioxide gases
slime flux, carbon dioxide gases, crimson king maple: This is called wetwood or slime flux. The bacterial wetwood is found in the roots, branches, and trunks. The cause of the condition is an infection of the heartwood caused by several common types of anaerobic soil bacteria (bacteria to which oxygen is toxic)....

Plant Diseases: Maple Disease, gall mites, maple tree
gall mites, maple tree, fungus: The black spots and the bluish fungus on the bark sounds like just some type of bark fungus or more than likely lichens. Lichens do not harm the tree but grow on the bark. They are not connected to the gall mites. Mites are close relatives of insects (spiders)...

Plant Diseases: Maple Leaf Has Light Green Spikes, humic acid, compost tea
humic acid, compost tea, maple leafs: Hi Paula, How r u?It sounds like u have a [Gall]!Which is when a insect injects a leaf with a harmone in its salivia!Most of the time it is done by a mite,orApid,orScale.It may look ugly but...

Plant Diseases: Maple: Lots of Sap, systemic insecticides, nicotine sulfate
systemic insecticides, nicotine sulfate, plant vascular system: Sounds like two problems. If the sap getting on your car is sticky this is called honeydew a substance excreted by an insect called an aphid. Honeydew is high in sugar which makes it sticky and usually a black sooty mold will grow on the honeydew. Aphids...

Plant Diseases: Maple (and other) tree dying, tree leafs, tree diameter
tree leafs, tree diameter, dead limbs: One is a maple the other looks like maybe a elm or hackberry (without the leaves it is hard using a picture). With the limbs dying it sounds like some sort of root problem, too much water could do this, that has weaken the trees and then a disease called hypoxylon...

Plant Diseases: Maple Tree Decease, leaf spots, maple tree
leaf spots, maple tree, health problem: These are leaf spots caused by a fungus. These normally infect the leaves late in the growing season and cause little health problem to the tree. They can cause the leaves to drop prematurely. A tree this large would be hard to apply fungicide to all the leaves...

Plant Diseases: Maple Tree Disease, maple tree disease, natural resources conservation service
maple tree disease, natural resources conservation service, resources conservation service: Sounds to me like a leaf fungus. Many of these leaf spots infect late in the year just before leaf drop and would have no health risk to the tree since the leaves are shutting down for the winter. If you did not notice any problem when the leaves were green...

Plant Diseases: Maple Tree Disease, forest health section, maple tree disease
forest health section, maple tree disease, maryland forestry: My guess would be sooty bark disease. Sooty bark disease, caused by Cryptostroma species, can kill trees which are under stress due to drought. I could not find any controls except keeping the tree healthy and not getting the tree into a drought situation...

Plant Diseases: Maple Tree Disease?, maple tree disease, phyllosticta leaf spot
maple tree disease, phyllosticta leaf spot, red maples: These are leaf spot caused by a fungus. I am going to guess it is Phyllostict leaf spot. A leaf spot that infects late in the growing season causes very little damage except maybe the leaves will fall earlier than normal. If you want to control the fungus...

Plant Diseases: Maple Tree leaf red growths., compost tea, tree health
compost tea, tree health, tree leaf: Hi Ed, Whats going on is u have GALL which is when a insect like a mite,scale,aphid inject leaf with a hormone and its saliva in return it forms a Gall/Little bumps on leaf.There r many kinds of galls...

Plant Diseases: Maple Tree - Oozing Sour Smell, Bare Branches, slime flux, foul smell
slime flux, foul smell, maple tree: Thsi is a disease called slime flux or wetwood. It is caused by a bacteria that enters a wound and will build up pressure causing the oozing of the sap. The foul smell attracts insects. It generally is not a problem for the overall health of the tree. But...

Plant Diseases: Maple tree, wooly aphid, wooly aphids
wooly aphid, wooly aphids, systemic insecticide: Sounds like wooly aphids. The aphid is an insect that sucks the plant juices from the leaves and twigs and secretes a substance called honeydew. This honeydew has a high content of sugar and is sticky to the touch. Usually a black sooty mold will grow on the...

Plant Diseases: Maple tree, extreme weather conditions, slime flux
extreme weather conditions, slime flux, watery fluid: Sounds like slime flux or wetwood. The foul smelling liquid that oozes from wounds in the bark or wood of various shade trees is known as slime flux or ‘wetwood. Fluxing occurs commonly on a large number of species including but not limited to maple, oak,...

Plant Diseases: Maple tree black ooze, decay organisms, slime flux
decay organisms, slime flux, roots of oak: I would think this is a condition called slim flux. Slime flux is the name given to the oozing or flowing liquid that is often seen during the heat of the summer on the trunk, large limbs, or basal roots of oak, elm, maple, apple, yellow- poplar, birch, hemlock,...

Plant Diseases: Maple tree disease, maple tree disease, gall mites
maple tree disease, gall mites, galls: These are maple spindle gall mites. They will not kill the tree but may if enough of them make the leaves drop a little earlier. They can be sprayed with insecticide but if they were my trees I would not bother. Here is a link to these galls: http://www.cfl.scf.rncan.gc.ca/collections-cfl/ficheinsecte_e.asp?id=9...

Plant Diseases: Maple tree, silver maple tree, leaf galls
silver maple tree, leaf galls, insect attacks: These are leaf galls caused by a small insect that lay its eggs on the leaf and secretes a chemical that causes the cells of the leaf to form a gall over the eggs. When the eggs hatch there is left a spot on the leaf. They cause no real health problems to...

Plant Diseases: Massangeanna Cane has mold in the dirt, organic salts, soil line
organic salts, soil line, threadlike structures: Hi John, I was surprised to see your question still in the unanswered questions section. I prepared an answer on the 5th of February, and I thought all was well. I will try again. I am not convinced by your description that you have mold on the...

Plant Diseases: Mealybugs - Indoor Plants, indoor plants, soil surface
indoor plants, soil surface, drastic measures: Here is some information on mealybugs and nicotine-- I think it will work but remember to wear rubber gloves when making the tea . Nicotine is used in greenhouses and gardens to control soft-bodied sucking pests such as aphids, thrips, and mites. Because...

Plant Diseases: My Mimosa, slime flux, chain link fence
slime flux, chain link fence, mimosa tree: If it is near the driveway I would move it (the flowers of mimosa will stain the paint of a automobile). Deciduous plants may be moved in the spring as soon as the frost is out of the ground, up until the time when new foliage is partly unfurled. When you...

Plant Diseases: Meyer Lemon - Black Spots on young Branches, yellow halos, meyer lemon tree
yellow halos, meyer lemon tree, insect eggs: Hi Steve, What you have is a scale insect infestation. The scale insects appear as small circle to oval-shaped flat spots. The ants actually farm these insects for food. Here is a nice photo: http://www.esapubs.org/bulletin/backissues/087-3/web_pdfs_july/photo6jul06bulletin.pdf...

Plant Diseases: Meyer Lemon issue, sticky honeydew, meyer lemon tree
sticky honeydew, meyer lemon tree, scale insects: Hi Richard, This is most likely a scale insect infestation. The black dust is probably sooty mold which is a fungus that feeds on the sticky honeydew residue provided by the scale insects. The sooty mold is not harmful to the plant except in extreme...

Plant Diseases: Meyer Lemon Tree Disease, meyer lemon tree, brown dots
meyer lemon tree, brown dots, acid soil: Hello again. Thanks for the additional information; it really helped. First, I would suggest that you supplement your feedings with a small amount (1 tsp/gallon) of Epsom salt. Magnesium is one of the essential macronutrients. Based on what you have...

Plant Diseases: Meyer Lemon Tree with teenie black bugs, meyer lemon tree, lace bugs
meyer lemon tree, lace bugs, flower buds: Hi Sheila, The sticky residue is called honeydew and is common of sucking insects. There are many of them including scale insects, lace bugs, mealybugs, and aphids. Aphids particularly collect in masses usually at the soft, tender growing tips or on/in...

Plant Diseases: Meyer Lemon Tree, leaf coloration, meyer lemon tree
leaf coloration, meyer lemon tree, salt buildup: HI Elen, My first thought is that there is a nutrient deficiency. As the sunlight increases, so does the need for watering and nutrient supplements. Container grown plants often times build up salt deposits on the soil which may present themselves as...

Plant Diseases: Meyer Lemon, scale insects, liquid fertilizer
scale insects, liquid fertilizer, natural predators: Hi Thomas, Do you notice any scale insects on the leaves? Black soot mold is often a complication when the plants are moved indoors and the natural predators no longer control the scale insects which feed on the fungus. It is common for leaves to...

Plant Diseases: Meyer lemon leaf problem, insect predators, insect behavior
insect predators, insect behavior, bacillus thuringiensis: Hi Johanna, At this point, I would not stress the plants any further until they recover from transplant shock. Give the plants some time to adjust to their new environments. Folding of the leaves can be from environmental causes or can be from insect...

Plant Diseases: Meyer lemon tree - diseased, meyer lemon tree, leaf petiole
meyer lemon tree, leaf petiole, scale insect: Hi Susan, The problem is some sort of sucking insect (aphids, whitefly, scale insect, or mealybug.) All of these insects secrete as a waste product a sticky, sweet compound called honeydew. Since you see large numbers of ants, the ants may be farming...

Plant Diseases: Meyer lemon tree, citrus leaf miner, meyer lemon tree
citrus leaf miner, meyer lemon tree, snail trail: What you have is citrus leaf miner. This is a new pest that started showing up in locations of S. California 2 years ago and has now spread all over the golden state. This is a hard pest to control because of the life cycle of mining the leaves (hard to get...

Plant Diseases: Meyers Lemon Tree, alcohol swabs, scale insects
alcohol swabs, scale insects, adult scale: Hi Alan, With regard to the curled leaves, this is usually a response to poor drainage or over-watering. Insects can also cause leaf-curl by reshaping the leaves to provide a nest for themselves. If you uncurl the leaves and see no insects, then the...

Plant Diseases: Meyers lemon leaves turned upside down, dry pellets, occasional occurrence
dry pellets, occasional occurrence, salty wind: Hi Leah, First of all, if only a few leaves are affected and it is only an occasional occurrence, then I would not think that it is anything pathogen related. Since you describe you soil as clay, there is the possibility that drainage is a problem after...

Plant Diseases: Mimosa, slime flux, mimosa trees
slime flux, mimosa trees, mimosa tree: I am sorry to say this sounds like a disease that is fatal to mimosa. It could be one of thwo things--Slime flux or mimosa wilt. Slime flux or wetwood oozes froth from the trunk and is caused by a bacteria in the wood generating pressure and the foliage looks...

Plant Diseases: Ming Aralia very sick, over wattering has lead to near demise, or so it seems, hydrogen peroxide, concern brand
hydrogen peroxide, concern brand, black roots: Hello again, The most important thing to remember is that no additive will have much effect when a plant has no leafs to produce energy. Your plant has a limited supply of stored energy sufficient to regenerate new leafs from dormant buds on the stems....

Plant Diseases: Mold on soil of a potted plant, basil plant, bacterial pathogens
basil plant, bacterial pathogens, insecticidal soap: Hi Debbie, Of more concern to me than the mold on the surface of the soil, is the wilting plant that has been receiving a lot of water. That is usually a symptom of some vascular or root disorder. Examine the white cotton-like mold carefully to see...

Plant Diseases: Mother in law or snake plant, peat moss, snake plant
peat moss, snake plant, environmental extremes: Hi Hanna, The Latin name for genus of the mother-in-law or snake plant is _Sempervivium_, which interpreted literally means always alive . That very succinctly describes the tolerance of these plants to environmental extremes. So, the possibility...

Plant Diseases: Mulberry Tree Disease, slime flux, trunk circumference
slime flux, trunk circumference, abundance of rain: It sounds like the leaves have a disease called leaf spot. During moist seasons the fungi will grow and cause spots on the leaves and could if conditions are good for the fungi growth (moist) cause the leaf to die. This normally will not kill the tree but...

Plant Diseases: Mulberry Tree Problem, slime flux, mulberry tree
slime flux, mulberry tree, wetwood: The oozing of sap from old wounds or the crouch of branches is more then likely wetwood or slime flux (this is a bacteria type disease) that causes the tree to build up pressue in the system that transports water to the leaves and the pressure will find a...

Plant Diseases: Mulberry Tree, mulberry tree, balanced fertilizer
mulberry tree, balanced fertilizer, white worm: It sounds like one of the wood borers. These insects bore into the wood and usually fungi gets into the wood and causes the rotten area. This does not harm the overall health of the tree except for hollowing out the tree trunk. Insecticides will kill the borers...

Plant Diseases: Mulberry tree, mullberry tree, red veins
mullberry tree, red veins, mulberry tree: Hi David, How r u? It sounds like u have a Gall in addition to the the leaf spot.This is when a insect injects the leaf with a hormone/saliva which in return leaves a deformity on leaf.Sometimes it...

Plant Diseases: Mushrooms in Meyers (improved) Dwarf Lemon Tree, meyer lemon tree, dwarf meyer lemon tree
meyer lemon tree, dwarf meyer lemon tree, white rocks: Hi Kim, Mushrooms are a natural decomposer. The mushrooms will do no harm to your Meyer s Lemon. They provide a valuable recycling of nutrients from the decomposing organics in the mulch and soil. If they are unsightly, remove them, otherwise they will...

Plant Diseases: maple leaf disease?, gall mites, pencil lead
gall mites, pencil lead, leaf disease: This is a gall mite called Maple spindle gall. Maple Spindle Gall Mites (Vasates aceris-crumena Riley) cause spindle galls to form on the upper surface of maple leaves. During certain seasons the galls are common on ornamental and forest hard maples. Spindle...

Plant Diseases: maple tree, systemic insecticide, plant juices
systemic insecticide, plant juices, maple tree: This is caused by an insect called aphids. These insects suck the plant juices from the plant and excrete a substance called honeydew. This product is high in sugar content there fore sticky. Control the aphids and you will control the sticky sap.. Check with...

Plant Diseases: maple tree, bayer advanced garden tree and shrub insect control, systemic insecticide
bayer advanced garden tree and shrub insect control, systemic insecticide, plant juices: They is a fingi called sooty mold. It grows on honeydew that is excreted by aphids. Aphids suck the plant juices from the tree and excrete honeydew. Honeydew is high in sugar content and the soot mold just grows on it. The leaves and under the tree should...

Plant Diseases: maple tree disease, maple tree disease, tree vigor
maple tree disease, tree vigor, foliar diseases: The blue green sounds like lichens and are not a problem. The spots are a leaf spot fungus which infects the leaves. This fungus normally does not effect the overall health of the tree but will make the leaves drop prematurely. The control for this disease...

Plant Diseases: maple tree disease, maple tree disease, gall mites
maple tree disease, gall mites, galls: These are called gall mites and normally will not harm the tree. Normally control is not needed since the overall health of the tree is not affected. I would not be concerned about this. Here is a web link that will give you some more infromation on these...

Plant Diseases: maple tree issue, woody tissue, insect activity
woody tissue, insect activity, seed pods: Maple has the tenancy for the bark to split due to the thin bark and fast growing nature. It is sometimes called sunscald and it is due to the changes in temperature. Thin barked trees often develop what we call sunscald , a type of winter injury. On sunny...

Plant Diseases: maple tree in Springville, AL, alabama forestry commission, john deere lawn tractor
alabama forestry commission, john deere lawn tractor, john deere lawn: It will depend on the extent of the damage-if the damage is all the way around the tree trunk the tree has little chance to live but if only part of the trunk is damaged it maybe ok. Water will be the limiting factor- need to make sure the tree has 1 inch...

Plant Diseases: maple tree, bark scale, acer palmatum
bark scale, acer palmatum, atropurpureum: Hi,Leisa Sounds like have a insect called bark scale.There r many kinds and most do damage to trees over time.I would go 2 your garden center and get a spray made 4 scale,mites,apids etc.Read labal n u will...

Plant Diseases: marigolds and dahlia's are dying, ralstonia solanacearum, warm climates
ralstonia solanacearum, warm climates, diseased plants: Hi Willow, I am afraid that your marigolds and dahlias have typical symptoms of Southern bacterial wilt, caused by _Ralstonia solanacearum_, a widespread and destructive disease of numerous crops in the warm climates. It is a major disease of tobacco, tomato,...

Plant Diseases: meye lemon, meyer lemon tree, scale insects
meyer lemon tree, scale insects, adult scale: Hi Ed, Most likely, the small brown spots are scale insects. They appear oval to round in shape, approx. 3 to 5 mm in diameter. They exude a sticky sap called honeydew . Scale infestation is a very, very common problem, so there are many effective measures...

Plant Diseases: meyer Lemon Tree, meyer lemon tree, dish water
meyer lemon tree, dish water, commercial oil: Hi Thomas...give that tree a nice shower of soapy dish water suds. If it isn t too big you can even rub the leaves with your fingers or a wash cloth and clean them. Apply some neem oil which is organic and safe for all living creatures ( I highly recommend)...

Plant Diseases: meyer lemon tree, yellow splotches, meyer lemon tree
yellow splotches, meyer lemon tree, insect populations: There are many things that can cause the yellow splotches, including lack of nutrients. If you have not given the lemons any nutrients, begin with a regular application of low concentration balanced fertilizer, 10-10-10. The water soluble products are just...

Plant Diseases: meyer lemon tree, meyer lemon tree, lemon trees
meyer lemon tree, lemon trees, minimal loss: Hi Melody, The longer plants remain indoors in poor light, the more pale the leaves will become. The intense, dark green color most-often associated with lemon trees is the result of good nutrition (nitrogen, potassium, phosphorous, and iron), sunlight,...

Plant Diseases: meyer lemon tree, meyer lemon tree, water soluble fertilizer
meyer lemon tree, water soluble fertilizer, meter test: Hi Blair, It sounds as though you may need to add some nutrients to your soil, such as iron. High soil alkalinity can make iron unavailable to the plant, so if you have a pH meter test the pH of the soil. Many soils in the west are relatively high in...

Plant Diseases: meyer lemon tree, meyer lemon tree, dish detergent
meyer lemon tree, dish detergent, dish water: Hi Tara... You can get a spray bottle and add the water and dish detergent, spray your leaves especially underneath if it isn t too big you can get a rag and wipe the leaves to get rid of the bugs. You can use your hose and make a hard stream of water to...

Plant Diseases: meyer lemon tree, meyer lemon tree, pollen grains
meyer lemon tree, pollen grains, floral anatomy: Hi Truman, I doubt that this has anything at all to do with disease since you don t see any symptoms or signs of disease. When the trees are young or stressed, the flowers/young fruit will drop. This is usually a temporary situation until the tree is well...

Plant Diseases: meyer lemon, meyer lemon tree, fungal spores
meyer lemon tree, fungal spores, overhead irrigation: Hi Debi, See if any of the following seems familiar. What you could be seeing is melanose on the lemons Melanose on Fruit (caused by the fungus, _Diaporthe citri_) Lesions are small, raised, superficial dots, pustules, and irregularly shaped spots...

Plant Diseases: mildew rose, unopened flower buds, powdery mildew fungi
unopened flower buds, powdery mildew fungi, powdery mildew on roses: This is powdery mildew. Powdery mildew fungi belong to the group of plant pathogens called obligate parasites. Plant pathogens within this group can only grow and reproduce on or in a living host plant. S. pannosa can infect any green tissue; thus, powdery...

Plant Diseases: My mimosa, slime flux, skiatook oklahoma
slime flux, skiatook oklahoma, wetwood: Wetwood, or slime flux, is a bacterial disease. The bacterium usually enters the tree through wounds. It may enter the heart-wood and sapwood of the tree. You can not always see the wound, but you can see the liquid from this disease. This alcohol based ooze...

Plant Diseases: mini rose disease, powdery mildew, happy holiday
powdery mildew, happy holiday, pls: Hi Kamali...you will have to get and insecticidal spray for your rose bush to get rid of the powdery mildew. It is hard to grow roses in the house as they need sun. I don t know where you live that you would take them in. Roses can take allot of cold or...

Plant Diseases: miniature dogwood, organic mulch, dogwoods
organic mulch, dogwoods, water and heat: It is lack of water and heat scorch. If you do not have it now mulch around the tree with not more than 3 inches of organic mulch. This will help hold the water in. The heat scorch comes from extended hot weather and maybe if the tree is in full sunlight....

Plant Diseases: mold, minature roses, spray nozzle
minature roses, spray nozzle, powdery mildew: Chris, Is it possible that this is powdery mildew? It can form in times of low humidity and high heat. That would also explain the leaves dying. My suggestion is to use a spray nozzle on the garden hose to wash the powder off the leaves. Do this for a couple...

Plant Diseases: mossy fungus on crepe myrtles, crepe myrtle trees, blue green algae
crepe myrtle trees, blue green algae, crepe myrtles: These are lichens and not a problem. Fertilize the tree and keep it healthy. Lichens are organisms consisting of a fungus and a green or blue-green alga growing together in a mutually beneficial, symbiotic, relationship. The entire structure, called a thallus,...

Plant Diseases: moth question and jasmine tree question, jasmine tree, scale insect
jasmine tree, scale insect, scale insects: Hi Kat, I am sorry, but I really do not have any expertise to answer your first question. However, if the brown splotches on your jasmine are round to oval, they are most likely scale insects, which with a bit of effort can be peeled off of the host...

Plant Diseases: mulberry tree, mulberry tree, kingman az
mulberry tree, kingman az, liquid fertilizer: Hi how r u? first check the under side of the leaf 4 a white cotton looking bug called scale.If not most likely tree is stressed (lack of n/p/k )go to your garden center and get a liquid fertilizer with a n/p/k # of 10/10/10 or better follow label n hook...

Plant Diseases: mulberry tree, systemic insecticides, trees system
systemic insecticides, trees system, mulberry tree: These are insect called borers. They bore into the wood and the pencil lead is the frass from the boring (sawdust). You need to spray the trunk with an insecticide for borers. Mix it in water and coat the trunk to the point of run off. The newest insecticide...

Plant Diseases: mulberry, mulberry trees, weed and feed
mulberry trees, weed and feed, superthrive: Sounds like leaf spot fungi. these will infect the leaves and cause the leaves to drop pre maturely. They seldom kill the tree. First check and see if the branches are still alive. Start near the end of one of the branches that has no leaves and scrap a small...

Plant Diseases: Norway Spruce dropping needles, green needles, needle drop
green needles, needle drop, mr marshall: Needle drop can be normal. In conifers the old needles are shed each year and replaced by new ones. Ususlly this is not noticed since the tree has two sets of needles and always is green. If there are green needles at the ends of the branches then there is...

Plant Diseases: name of fungi, loose smut, grain quality
loose smut, grain quality, smuts: Like common bunt, loose smut, caused by Ustilago tritici, also is a seed-borne disease of wheat. U. tritici is unique among the wheat smuts in that it it is incorporated into the developing kernel and persists inside the seed. Affected seeds show no symptoms...

Plant Diseases: name of fungus, loose smut, agric
loose smut, agric, oat: Each has a different species of a fungus that causes loose smut: Wheat--loose smut - Ustilago tritici Oat--loose smut - Ustilago avenae Barley--loose smut - Ustilago nuda Here is a web link that will give the detail information on the differences:...

Plant Diseases: name of a plant species, binomial system of nomenclature, ucmp berkeley
binomial system of nomenclature, ucmp berkeley, species name: The L comes from a Botantist called Carolus (Carl) Linnaeus. He developed the system for naming any plant or animal using a Genera and species name called the binomial system of nomenclature. Here is a web link discribing Linnaeus in more detail. It is usually...

Plant Diseases: necterine tree w/disease, insecticide dursban, worm holes
insecticide dursban, worm holes, powdery mildew: The pin holes are the entry holes of a borer (insect). I would spray the area with an insecticide--Dursban or check with your local garden type store for an insecticide for borers. The powder is more than likely powdery mildew. This will take a fungicide...

Plant Diseases: norway spruce, norway spruce trees, phil marshall
norway spruce trees, phil marshall, carmel indiana: It is hard to say what the problem is with out seeing the tree. I suggest you contact Phil Marshall,Insect and Disease Specialist with the Indiana Department of Forestry and he should be able to help. Phil is my counterpart in Indiana and knows the local pest...

Plant Diseases: Oak leaf problems, insect infestations, preferred treatment
insect infestations, preferred treatment, nearby tree: Hi Bill, Give me a day or two to do some initial research on this. There are several things that could be the problem. Even in the most serious of fungal infestations, I have not seen so much pure white flossy material that it could been seen in a breeze....

Plant Diseases: Oak Problem, nw austin, wound dressing
nw austin, wound dressing, healing process: Just cut the growth off and leave a clean edge around the wound. The tree will heal over the wound with time. This may take several years depending on the size of the wound and the growth rate of the tree. Do not put any wound dressing on the wound this will...

Plant Diseases: Oak Tree Disease, texas forest service, cindy hill
texas forest service, cindy hill, dead leaves: I can not ID the problem from what you discribed I would suggest you contact the Dallas Urban Forester and ask him to come take a look. He works for the Texas Forest Service and should be able to help. His name and number is Matt Grubisich (214) 953-1190...

Plant Diseases: Oak Tree Insects, texas forestry service, tree insects
texas forestry service, tree insects, oak tree: It sounds like one of the gall making insects. These normally do not harm the tree unless they are numerious. I would suggest you call or email the Urban Forester in Houston-- Mickey Merritt (713) 688-8931 mmerritt@tfs.tamu.edu Dallas Singleton (713)...

Plant Diseases: Oak Tree, powdery mildew, fungus growth
powdery mildew, fungus growth, immunox: Did not say which oak you have. Check and see if the white stuff will rub off--if so it is a fungi called powdery mildew. If it does not rub off it maybe an overcup oak that does have white on the under side of the leaf. Here is a link to a web page of overcup...

Plant Diseases: Oak Trees, microbial insecticide, chemical insecticide
microbial insecticide, chemical insecticide, bacillus thuringiensis: There are many different caterpillars that will eat the leaves of oak. From your description I can not ID which one you have without a picture. Here is a web link that will describe some of the caterpillars http://www.whatsthiscaterpillar.co.uk/america/ ...

Plant Diseases: Oak tree, bark lice, destructive caterpillars
bark lice, destructive caterpillars, lichens fungi: Sounds like bark lice. Bark Lice are more properly called Psocids (pronounced SOSS-sids ). They are also called tree cattle because of their habit of living as a group on the bark of hardwoods, particularly oaks, and have been reported locally on citrus...

Plant Diseases: Oak trees suddenly dying, south west wales, termite droppings
south west wales, termite droppings, coffee grounds: I may have a hard time answering this question. I will start by asking questions and possibly you will be willing to answer back. Has there been any kind of herbicide work done in the area where these trees are growing ? Has the watering changed or a spring...

Plant Diseases: October Glory Fungicide, powdery mildew control, copper fungicide
powdery mildew control, copper fungicide, overhead irrigation: Normal watering means that soil should be kept evenly moist and watered regularly, as conditions require. Most plants like 1 inch of water a week during the growing season, but take care not to over water. The first two years after a plant is installed, regular...

Plant Diseases: October Glory Maple tree question, forest health section, canker diseases
forest health section, canker diseases, forestry agency: Please send the pictures to jimhyland@yahoo.com and I will see if I can ID the problem. Put in the subject line Allexpert question that way it will not get sent to a spam file. Thanks for the pictures. It looks to me like one of the canker diseases most...

Plant Diseases: Old Maple Tree, leaf buds, tree diameter
leaf buds, tree diameter, water runoff: Mushrooms growing on the ground around the tree are not a problem- even if they are growing from the trunk--this means the tree is more then likely hollow-which does not effect the overall health of the tree--it might weaken it to wind breakage. The green...

Plant Diseases: oak tree ,excessive sap, systemic insecticides, control aphids
systemic insecticides, control aphids, nicotine sulfate: Sound like aphids or scale insects. Both will suck the plant juices from the leaves and twigs and excerete a substance called honeydews. Honeydew is high in sugar content and is sticky to the touch. Usually a black sooty mild will grow on the honeydew making...

Plant Diseases: oak tree problems, gall insect, gall insects
gall insect, gall insects, leaf cells: This sounds like a leaf gall insect. These insects will secrete a chemical on the leaf and lay eggs and the chemical will cause the leaf cells to grow over the eggs forming a gall. When the eggs hatch the gall will fall off. These gall insects cause very little...

Plant Diseases: oak tree trunk webs, tent caterpillar, tight clusters
tent caterpillar, tight clusters, herds of cattle: These webs are harmless and are being caused by barklice rather than spiders. Barklice occur on the trunks of a number of trees where they feed on lichens, molds and fungi growing on the bark. Therefore, they may actually be considered to be beneficial insects...

Plant Diseases: Paperwhites, copper fungicide, paperwhite bulbs
copper fungicide, paperwhite bulbs, spray flowers: I can think of a couple of things that may be happening. It is possible that the leaves are too long (22 sounds like it) and are weak in structure and may be bending at certain points and then they develop the black streaks where they bend. This may be...

Plant Diseases: Peach tree, flower blossoms, diseased fruit
flower blossoms, diseased fruit, peach tree: BROWN ROT Brown rot is one of the most common and serious diseases affecting peach fruits. It is caused by the fungus Monilinia fructicola, and can also infect flower blossoms and shoots. The disease begins at bloom. Infected flowers wilt and turn brown very...

Plant Diseases: Peach tree, peach tree, sticky stuff
peach tree, sticky stuff, little hole: Hi, cindy It sounds like u have Oriental peach moth.That is the larva u r seeing /there should b a little hole on the peach.Go to the garden center and get a multi use insecticide/and read LABEL TO...

Plant Diseases: Peach tree, peach tree borer, fungus attacks
peach tree borer, fungus attacks, colored gum: Oh my god Im sooooo............. sorry this is your answer! If you ve read about Peach Leaf Curl, then you know it is caused by a fungus. A fungus is a disease so insect killer won t affect it, but it might adversely affect the leaves on your tree. I guess...

Plant Diseases: Pecan do not develope to maturity, southern middle tennessee, utk edu
southern middle tennessee, utk edu, pecan trees: From the discription I am not really sure. I would suggest you call your local Extension Service office and them for help. Here is a web link that discribes the major problems that pecan can have. And a link to the contact page of the Tenn. Extension Service...

Plant Diseases: Pecan pest, cause galls, pecan phylloxera
cause galls, pecan phylloxera, garden situation: The pest you are referring to is most likely pecan Phylloxera. The insect does cause galls on leaves, particularly at the terminals of branches and can cause the tree to abort all nuts if the infestation is severe. The choice of treatments to control this...

Plant Diseases: Pecan Tree Disease, pecan nut casebearer, poor pollination
pecan nut casebearer, poor pollination, paper shell: There are numerous causes of premature pecan drop. Some varieties such as Desirable shed naturally. Poor pollination results in a drop from June through July. Planting several varieties helps reduce the poor pollination drop problem. A small insect known...

Plant Diseases: Pecan Tree disease, slime flux, alabama extension
slime flux, alabama extension, pecan trees: I am not sure it sounds like slime flux a disease that oozes out of the bark due to pressure. I would suggest that you contact the Alabama Extension Service and ask one of their specialist to come take a look. Here is the web link to their contact page and...

Plant Diseases: Pecan tree that is dropping its nuts, pecan nut casebearer, poor pollination
pecan nut casebearer, poor pollination, shallow soil: There are numerous causes of premature pecan drop. Some varieties such as Desirable shed naturally. Poor pollination results in a drop from June through July. Planting several varieties helps reduce the poor pollination drop problem. A small insect known...

Plant Diseases: Pecan trees, pecan phylloxera, pecan hickory
pecan phylloxera, pecan hickory, pecan trees: I think you may have an insect called Pecan Phylloxera. Here is a web link to a discription of the insect and controls. Once the galls show up there is not really a good chemical control. http://www.treehelp.com/trees/hickory/pecan-hickory-iandd-pecan-phylloxera.asp...

Plant Diseases: Pest control for santol ( sandoricum koetjape), caterpillars, bacillus
caterpillars, bacillus, pests: Hi Nelson We have a product in Canada called Bt (Bacillus thurgensis). It is a bacteria that comes in a powder form that is mixed with water and sprayed on the plants. It kills only members of the caterpillar family and is completely harmless to anything...

Plant Diseases: Petunia problems, sandy soil, potting soil
sandy soil, potting soil, petunias: Hi,George How u doing,what it sounds like is the petunias have come down with a viruses.curly top,mosaic,ring spot,or wilt.They r spread by sucking insects such as apids scales,etc.Affected plants become...

Plant Diseases: Phlox dying for no apparent reason, cotton root rot, soil temperatures
cotton root rot, soil temperatures, root bark: Hi Doreen, This may be the result of a root rot infection, usually caused by a bacterium or fungus. Phlox are extremely susceptible to Cotton Root Rot caused by the fungus _Phymatotrichum omnivorum_. The symptoms of this disease are exactly as you described:...

Plant Diseases: Pin Oak spider webs, fall webworms, pin oak tree
fall webworms, pin oak tree, brown seeds: Sounds like fall webworm an insect. The fall webworm is a widely distributed native pest of shade trees and shrubs and appears from late summer through early fall. It feeds on almost 90 species of deciduous trees. The fall webworm constructs its nest over...

Plant Diseases: Pine Tree Disease?, southern pine beetle, steam explosions
southern pine beetle, steam explosions, pine beetles: Sounds like a lightning strike. Lightning damage is a life-threatening situation. Lightning either moves in a narrow line down the branches, stems and roots or along a wide pathway encompassing the entire tree cylinder. Lightning directly destroys tree tissues...

Plant Diseases: Pine Tree Disease, pitch tubes, bark beetles
pitch tubes, bark beetles, white gum: Sounds like a bark beetle attack. These beetles will emerge and attack nearby trees. If there are gobs of pitch that look like wads of white gum (pitch tubes) on the trunk and/or limbs then this is a sign of bark beetles. I would spray your tree with an insecticide...

Plant Diseases: Pine tree disease, certified arborist, pine tree disease
certified arborist, pine tree disease, bores: Hi, Nicole how r u?with out seeing tree i cant tell u what is the problem ,but it sounds like something is up.Pines are known to get bores that can take a tree down pretty fast.Hire a Certified...

Plant Diseases: Pine tree disease, christmas tree plantations, rust diseases
christmas tree plantations, rust diseases, rust disease: These galls are typical symptoms of one of the gall rust diseases, most likely western pine gall rust. This rust disease does not have an alternate host, so the spores that are produced in the galls are able to infect pine shoots resulting in numerous galls...

Plant Diseases: Pine tree fungus, decay fungi, dry cocoa
decay fungi, dry cocoa, tree fungus: There are a number of fungi that are called decay fungi. Their purpose is to speed the break down decaying organic matter. This is what I believe you have. The fungi are really in the wood what you are seeing are the fruiting bodies (flower part) of the fungi....

Plant Diseases: Pine tree - infested with insects?, hurricane problem, hurricane wilma
hurricane problem, hurricane wilma, insect infestation: Sounds like borers are attracted to the old pruned limb sites and are entering the tree. The tree will heal itself or you can where you can reach spray these areas with an insecticide for borers, check with your local garden type store for a borer insecticide...

Plant Diseases: Pink flowering dogwood disease?, pink flowering dogwood, dogwood tree
pink flowering dogwood, dogwood tree, white stuff: Hi,Daryl How r u doing?I need some more info on the tree?When was last time tree was fertilized.WAS THERE ANY PROBLEMS WITH TREE LIKE INSECTS IN LAST FEW YEARS LIKE SCALE?have u seen black spots...

Plant Diseases: Plant Disease, plant fungus, tomatoe plants
plant fungus, tomatoe plants, control measures: There is not a chemical that is effective in controlling nematodes, the most effective method is sanitation efforts. Here are a couple of web sites that have a lot of detail information on nematodes and management/ control measures. http://muextension.missouri.edu/explore/agguides/hort/g06204.htm...

Plant Diseases: Plant Disease on Hydrangea, powdery mildew, fungus disease
powdery mildew, fungus disease, plant hope: Hi Allison; It is called powdery mildew, a fungus disease. You can control it very easily with most fungicides available at a garden centre. Just follow the label directions and make sure the product is effective against powdery mildew. The disease overwinters...