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Maple decline is a term describing loss of vigor and dieback in forests or urban plantings of maple trees. It is not a disease or a syndrome, nor is it contagious or endemic. Instead, it is a generalized set of symptoms that may be applied to any species of tree suffering a wide range of different stressors.
Acer rubrum, the red maple, also known as swamp maple, water maple, or soft maple, is one of the most common and widespread deciduous trees of eastern and central North America. The U.S. Forest Service recognizes it as the most abundant native tree in eastern North America. [ 4 ]
Maple trees with Eutypella canker have a reduction in quality due to the deformity of the trunk. Therefore, if used for lumber products the cankered area will be wasted wood. This disease can then cause reduced economical value of lumber in areas of high infection. Also, aesthetics of the tree is diminished due to the symptoms of the pathogen.
Look for cultivars such as ‘October Glory’ or ‘Autumn Blaze.’ BUY IT ($180) 5. Norway Maple. Norway maple is another problematic maple, which was overplanted as a shade tree.
Red Maple. This favorite tree offers some of the best fall color and is super cold hardy. Look for varieties such as October Glory, which has a reliable bright orange to reddish fall show.
Tar spot is a localized disease that causes mostly cosmetic symptoms and is therefore not a highly controlled disease. [3] One of the best ways to manage the pathogen is through proper sanitation techniques. [3] Because the fungus overwinters in diseased leaf debris, removing the debris in fall can help reduce the occurrence of the disease. [3]
Maple bark disease, or maple bark stripper’s disease, is an uncommon condition caused by exposure to the spores of C. corticale. [5] The spores are hyper-allergenic and cause a hypersensitivity pneumonitis. [6] [7] The disease has been found among workers in the paper industry employed to debark, cut and chip maple logs. The symptoms include ...
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