I'm guessing it may be due to the late frost this year, which affected maple trees just about everywhere. By H. T. Fernald [Public domain], via Wikimedia Commons. Each type of maple tree requires different soil and climate conditions. many thanks for your blog it is great! Can these be termites and if so is there any way to save this tree before it is totally eaten up? Soil is not very well drained, high amounts of clay and low lying, and it has been a very rainy year so far and much of last one too, but the tree has good drainage from where it stands as our yard slopes from there. Woodpeckers are active on the tree. While maple trees can suffer from a number of general problems, verticillium wilt seems to be the most common and dangerous disease plaguing maple tree owners. Older maples tend to leaf out on the outermost part of the branches, while the inner parts of the branches have fewer leaves and small branches. Laurel wilt is spreading rapidly throughout Florida. The curled leaves are very very dry but not discoloured. Maple spindle gall (left) and maple bladder gall (right) are common cosmetic issues that plague maples. If so, it won't kill your tree, it is just unattractive. This fungus looks very similar to a maple tree root disease called collar rot, but with collar rot, the bark typically does not fall away from the base of the tree. I have a huge old maple in my yard that has recently started leaking water from trunk, about five foot from ground. If you have verticillium wilt, it lives in the soil and will continue to attack any new maples that you plant. what is causing the leaves to turn brown? These cankers can become slimy after rain or dew. I'm guessing it is a soft spot in a 50 year old tree. Physiological leaf scorch is the most common. Make sure to follow the instructions carefully! Remove leaf debris. This tree is preferred over Silver maple or Boxelder when a fast growing maple is needed. It almost looks as though someone has sprayed them with white paint or something. The eggs are usually lain near buds and blossoms, which the larvae then feed on until they're so heavy that they fall off the leaf. In severe cases, it can cause defoliation; otherwise it's a minor stress on the tree's ability to photosynthesize. This is the second year I have noticed this. Occasionally the leaf margins are yellow or chlorotic. Hi there another post from the Pacific northwest about our red japanese maple. Avoid putting any type of paste or tar in the wounds as it only inhibits the healing process from this type of injury. In my own experience, this has helped me to eliminate a variety of landscape pests including aphids. There are an estimated 20,000 different varieties. The wood area under the bark apears dry and has pin holes showing. Woodpeckers can hear insects under the bark and in dead wood, and that is what attracts them. scientific literature doesn't support this one way or another, General Care of Maples: Managing Phyllosticta Leaf Spot Disease. From helicopters to leaves to the sap... One arborist said you don't see too many maples reach this age and be relatively healthy. This list of tree diseases causes most tree health problems and death and are very specific to either a conifer or a hardwood host.. Over the past few weeks, after a prolonged period of dry and very hot weather in NY, the leaves have turned from red to a greenish brown color and are drooping. Leaves higher up and near the tops are slowly shriveling up and dying. I'm guessing the height of the tree at about 50' and do not know how old it is because I've only lived here 3 years. If so, contact an arborist as the tree may be structurally unsound, and may possibly fall over in the next windstorm. Once the tree has begun healing, the sap will stop and the ants will disappear. My name is Annie and I live at the other side of the Atlantic(in the UK). we have a maple tree that has some leaves turning a crispy brown on several limbs. If you're still unsure whether your tree has anthracnose or not, contact your county Cooperative Extension office- they can come out and examine your trees to make a correct diagnosis. Please check this link from the US National Forest Service: www.na.fs.fed.us/fhp/alb/. Is there something I can fill this hole with like a foam insulation product? Then why are my trees the only ones not growing :(. I soak the ground for about 3 days, once a month during the summer, and it gets water from the lawn sprinklers every third day for approx 20 mins. The leaves themselves look fine but they look wet and shiny. I setup a page for it http://stoneblue.com/ken/mapletree with photos and description . Once they fall to the ground, they overwinter there to reemerge in the spring months. However, it’s also important to properly care for your maple trees. The dying leaves (almost all at this point) are generally green in colour (even though it is a red maple) but the dead portion is purple and curled under. I really don't want to loose it ... any help would be greatly appreciated. Verticillium wilt, common to all species of maples, attacks the tree from infected soil, where it may lay dormant for up to five years. I am ready to give up.....help! There are many different types; some of which are specific to certain trees, some are not. This in turn produces much smaller leaves. Thank you... Charlotte Gerber (author) from upstate New York on June 12, 2010: Hi Paul and Amber, What someone told you about scraping the injured bark from the tree is true- it is called tracing. If you're in doubt, call your county Cooperative Extension office- they would be able to visit your tree and give you a diagnosis of the problem in person. Dieback generally around the crown; external signs appear long after the tree has been infected, Try to prevent the roots from getting damaged or wounded; some trees recover for no apparent reason, Ten to brown spots with a purple or red center. Valsa canker – This disease of maple trunks will normally affect only young trees or small branches. It kills sucking insects, which are causing the "honeydew" (sticky, syrup-like substance) on your trees. The leaves look fine, but they are all sticky. In response to the photos you posted, you could remove the wooden boards from around the tree for aesthetic reasons, and it would prevent litter from collecting there. On the same branch one leaf could be curling tightly and the one adjacent could be perfect. Any suggestions? Thanks! Branch dieback progresses until much of the tree is dead. Now there are leaves all over the tree that are turning brown from the viens outward. I have a maple tree that has the Maple Spindle Gall. Charlotte Gerber (author) from upstate New York on October 02, 2010: Hi Samantha, It sounds like you might be describing a leaf gall. It causes cigar-shaped galls, often with yellow pustules, on the main stem of the tree. In the last 2 weeks at the base of the lower branches (center of the tree) it has begun to leaf out, but no leafs yet on the surrounding branches. The underlying cause of your problem may be related to the amount of sunlight your tree is receiving. Be sure to wait for a good weather day to apply the fungicide, with little or no wind. Question: A big piece of bark fell off my large silver maple tree. Their size ranges from one-eighth of an inch to an inch or more in diameter on the Norway Maple. It is too bad if they're causing trouble for you, since they're great shade trees. The inner bark turns black and sometimes gives off a foul odor. The tree looks so good but how can it survive? Hi -- I have a red maple about 60 years old. Follow the directions exactly, and use it only once per year, since it also has a fertilizer in it. Disease Symptoms Pathogen/Cause Management; Anthracnose: Norway maple: narrrow, purple to brown streaks occur along the leaf veins. Florida Flame Maple - Shade Tree. If your only concern is the ants, they aren't harming the tree; they're just attracted to the sap that the tree is dripping after the injury. Hi Mary, There are several beetles that may be responsible, or they could be carpenter ants (which wouldn't kill your tree, they're attracted to the honeydew). It helps reduce stress and stops many insects that would otherwise bother your trees. Second, contact your county Cooperative Extension office- they can visit your tree to make a correct diagnosis of the problem. The virus is cosmetic and doesn't affect the tree's ability to flower, grow, and thrive. We have a very large 40-50 year old Norway maple in our back yard. You can treat trees with Bayer Advanced 12 month Tree and Shrub Insect Control. The roots are usually as long as the tree is tall, and often much longer. Home > Tree selection > Uncommon trees zone 8-9 > Acer rubrum. Now we have a second double trunk that the very same thing is happening to although as I scraped out this peat type material the bugs inside were also tiny but brown and look like ants. Galls are abnormal structures formed when a plant's hormones mix with an insect's. The fungus spores will winter over in the dead leaves on the ground, so rake up the leaves in your yard if you don't want it coming back next year. I hope you have some thoughts and suggestions. I suggest you first visit the following website: http://forestthreats.org/. I have it on my maple trees in my own front yard as well. Once the top of the tree has been cut off, especially a very young tree, it may not reach its true height. I am literally at a point where I am considering having them removed as they are a year round headache as far as maintenance. Bug varieties differ according to location, and I'm not an entomologist. Maple Tar Spot Treatment Because of the way maple tar spot disease is transmitted, complete control of maple tar spot is virtually impossible on mature trees. Another problem is Verticillium Wilt - requires pruning to remove the affected branches. Tree has a five year old honey bee colony inside. Leaf scorch seldom kills trees; deep watering is the recommended treatment. The ants aren't responsible for your tree problems though- they're just the cleanup crew when there is honeydew (caused by a tree injury). Leafscorch occurs around the perimeter of the leaf. Canker diseases result when a fungal or bacterial pathogen enters bark or sapwood through a wound. The leaves usually fall off in the early spring, followed by a second set of leaves which also die off. (I'm guessing they were probably around during the Civil War or even earlier). When I scratched the surface of the exposed inner bark,orange dust came off. You'll find many more spots on the leaves that are typically smaller than the 1/8" tar spots. Let me know if you have any more questions, and good luck! I see green on the trunk so I don't think it's dead. silver maple leasions in bark / separating 8 or 10 years old 30ft tall - we live in texas near austin. Hi - I noticed what looked like sawdust around the base of my large soft maple tree. The soil borne fungus called Verticillium, plays an important role in killing several maple trees. I have a mature maple ( about35 - 40 years old) This year the leaves a much smaller than normal. Covered the shown root and removed the grass that was right up one! 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