What other info would you like? Does the wood look shredded or dry and easily scraped away where the bark/limbs came off? Sprinklers are fine during normal temps/conditions. When I scratched the surface of the exposed inner bark,orange dust came off. Hi Mike, Even though you state the tree is being watered well, it still sounds like leaf scorch, which can be remedied by deep watering during periods of dry weather and high winds. Heart rot, on the other hand, is much more destructive and may be what you are describing. That said, scorch can sometimes be an indication of a more severe underlying cause such as root rot, which affects the tree's ability to absorb water because the aptly named fungus damages the roots, or an insect infestation. Your tree should recover - don't cover or treat the areas where the limbs were cut, as they will heal on their own. Clean up leaf debris around the tree's base, Leaves that curl around a dead-looking brown spot, tan or brown spots near the leaves' veins, cankers, dying young branches, and premature leaf loss, Late spring to early summer; especially prevalent during wet periods, Keep tree from sitting in moisture; rake leaf debris; prune affected branches, May require treatment of bugs that carry the fungus; can be brushed off, Appearance is all over the place and can be dictated by region, weather, and other factors, Low (but can indicate more severe diseases), Composite organism made of fungi and algae, Can usually just lift lichens off of the tree; may also prune branches that have it, Wilting or yellowing leaves, often concentrated to one area or side of the tree, July and August, particularly seen after a dry and hot summer, Plant resistant strains, remove the diseased tree, and/or fumigate the soil, Symptoms vary wildly; often looks like mushrooms, can be cankers. Usually the best approach is to do nothing. If your tree has these spots, which then causes leaves to curl in mid-July, it may have a different disease called Anthracnose. Heart rot will literally rot away your tree, in many cases destroying a tree within a season or two. In addition, if the leaves seem smaller this year (and perhaps last year as well), I believe it may be due to the late frosts we've had. In either event, I suggest you contact your county Cooperative Extension office and request that they investigate it. . Another problem is Verticillium Wilt - requires pruning to remove the affected branches. cazzart from England , west Yorkshire on April 25, 2011: could anyone help.. Hi Natasha, I believe you are describing leaf scorch- the outer perimeter of the leaf becomes dry and brown and the edges curl up. I've read all the comments regarding Maple Tree problems, but can't seem to find my answer. Some people have claimed to have success with pesticides and miticides, but this remains to be scientifically proven. I am not sure what they are, but they are almost certainly just coincidental. Avoid putting any type of paste or tar in the wounds as it only inhibits the healing process from this type of injury. Aphids. As for the tree not faring well, it probably will rebound since you have taken steps to correct the exposed root. Get the kind of braces that are covered with rubber or a similar thick, soft material so that they don't dig into the tree. For example I suppose in the short term even more watering would help. Reading your other posts you state trees can leaf out more than once in a season if they are stressed, should we be giving up at this point? When you touch them they are sticky. Hi Theresa, Are there other trees, specifically maple trees, in your neighborhood that are exhibiting the same problem? Verticillium Wilt Maple wilt, also called Verticillium wilt, is a common and serious disease of maples. Any information you can give me would be very helpful. We have a young Sugar Maple (4" diameter) that has looked healthy for the 10 years that it has been planted in our back yard. In the late fall you may want to prune any dead branches, if that is what has happened to that side of the tree. In the Twin Cities Metro, they have become a serious threat to numerous tree species and ornamental shrubs and plants, including roses. Leaf scorch seldom kills trees; deep watering is the recommended treatment. With their bright red or yellow leaves glowing during this time of year, maple trees are one of the most impressive trees in fall. Tree has a five year old honey bee colony inside. Red Maple Pests. Maple petiole borers do not affect the health of the tree or its appearance. The second has deep red/purple leaves that now has little yellow spots on the leaves. To treat mealy bugs/scale, I've found the easiest way is to use Bayer Advanced Tree and Shrub. The tree likely needs to be removed and destroyed. Shade tree borers include a number of insects species that develop underneath the bark of woody plants. The University of Hawai'i has created an amazing PDF that explains the mold's lifecycle and is complete with many photos of the mold. The reason the leaves are dying is because of the stress, and probably lack of water, due to the split. Charlotte Gerber (author) from upstate New York on September 20, 2010: Hi Bruce, There is a borer beetle that likes maple trees - the Asian Longhorned Beetle. Both use long, needle-like mouthparts to suck out sap from the host tree or plant.Characteristics of Soft Scales 1. If you don't have a problem with it, you can keep the tree as the bees are using it. As for the red/black spots, I agree - they're probably galls and those don't cause the leaking sap problem, nor will they kill your tree. I desparately need your help please: I suspect that our maple tree has antracanosis. Would the Bayer product work on this problem? The black residue is just the sap. If there are holes in the bark, I would think you have a beetle (of the borer variety) responsible. ... Other host plants that are usually only slightly affected include linden (basswood), tulip tree, hickory, birch, and walnut. Recently, a limb broke two inches in diameter. If there is too much shade on your tree, the leaves can revert to a green color. is arrested and recovery ensues, even in trees with more than 40 percent crown dieback." My name is Annie and I live at the other side of the Atlantic(in the UK). . I've added a photo of them to the slideshow above in my article. I do still have newer leaves emerging on the problematic tree, but the tree sometimes looks wilted. There are red/black dots on the top of the leaves also (looks like your maple bladder gall pictures) but we have had that in the past. I should clarify, the spot has the diameter of an orange. Identification: Black spots that range in size from a pin-prick to size of a half dollar (4 cm).Some reports say that the spots can get as big as two inches. (I could forward you some pictures if these could be of any). I have a 5 year old silver maple that I grew from a seed that fell from my parents tree. The leaves have numerous small holes in them as if they are being eaten by insects. While this affects maple trees in general, it especially targets Norway, silver, and sugar varieties. Most wood borers attack only trees that are stressed due to drought, injury or disease. Charlotte Gerber (author) from upstate New York on August 01, 2010: Hi Brenda, It sounds like you have carpenter ants. It can make it harder for the tree to get the nutrients that it needs via photosynthesis, depending on how large the lichen is and how much of the tree it covers. I recommend that you either contact an arborist in your area or call your county Cooperative Extension office and request that they check your tree in person, then make a recommendation. I live in downtown Chicago and for this summer almost all of the maple trees in our neighborhood have developed white spots on the green leaves. They are the larval stages of a sawfly wasp. Scale insects are sap feeding insects. The sap of sugar maples is the only ingredient in maple syrup, that delicious elixir produced in Ontario, Quebec and New England every spring. Your tree is probably healthy - it was just a prime year for seed production. Leaves simply die and fall off while the rest of the tree is healthy. I would also remove the plastic from around the tree if it is still there as it can harbor pests and encourage fungal growths. I cut the top cleanly at a downward angle and began watering daily. From helicopters to leaves to the sap... 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