Most of the needle diseases are merely unsightly and pose no long-term threat to the tree’s survival. Let me know if you have any more questions, and good luck! Any advice that you can offer would be helpful. 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. 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. The diseases reveal themselves when fungal fruiting bodies appear as mushrooms at the tree's base. Eutypella canker – The cankers of this maple tree fungus looks similar to Nectria galligena canker but the layers on the canker will normally be thicker and will not peel away from the tree trunk easily. Occasionally, this fungus will also appear as red balls on the bark of the maple tree. As time goes on, the fungus eventually affects the outward portions of the tree, such as the branches and leaves. What is killing your tree, I believe, is that it has a split trunk, that is splitting even further. Occasionally, this fungus will also appear as red balls on the bark of the maple tree. Thanks! The pathogens are dark fungi growing either on the "honeydew" excreted by sucking insects or on exuded sap material coming from leaves of certain trees. A fungus disease of the Red Bay, Avocado, and other trees that stops the water flow within the host tree and causes the leaves to wilt and die. Charlotte Gerber (author) from upstate New York on June 11, 2010: Hi MelissaJ, The damaged root could be the source of the problem with the one side of the tree. Second, contact your county Cooperative Extension office- they can visit your tree to make a correct diagnosis of the problem. The newest le… Under the branches are little white cottony balls - about the size of an eraser. ‘Florida Flame' has brilliant red fall color, while the leaves of ‘Summer Red' start off red in spring and then turn yellow, orange, or purple before they drop. I have put ant powder and insect replent around it. My big question now is whether or not I should spray it. 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. My wife and I just brought home a gorgeous new Fireglow about 2 weeks ago. Two trees (Same Size) 2 1/2" trunks 12' -14' tall were planted two seasons ago within 20 miles of one another. 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. Return to Trees and Shrubs Agent Articles. its slow release, has nitrogen in it, helps to reduce evapotranspiration, helps retain moisture!, protects from cold weather. To avoid the diseases, you should use appropriate soil for tree planting. The wood area under the bark apears dry and has pin holes showing. one of them is yellow/green in colour with reddish tips. Sign up for our newsletter. Treating the trees is usually not affective because the spores can travel from a neighbor's tree onto yours. And yes, wait until fall to do the pruning (once the tree has lost most of its leaves). I live in long Island and Have a Maple that is around 30 years old - I have noticed the last 2-3 years that healthy branches are simply dying throughout the summer. I've added a photo of them to the slideshow above in my article. Your tree is probably healthy - it was just a prime year for seed production. old Autumn Blaze Maple. The fungus enters through the tree's roots. The trunk diameter is about 3" wide and the tree is about 7ft. Powdery mildew is like what it sounds like - a white powdery substance on the branches and leaves of a plant. after i noticed this happening, i started watering the tree alot. If you're worried about your trees, a tree surgeon is a good idea. I am not sure if it is related but a few years ago another large apparently healthy bigleaf maple (a local native species.