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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 ...
That’s normal. Horticulturists refer to it as “exfoliating” bark. Sounds dermatological. The reason it happens is because bark is a dead tissue that can’t expand as a tree’s trunk grows ...
Essential Pruning Tips. Whether you are pruning a small tree or a perennial, use these pruning tips to promote a healthy, long-lived plant. 1. Remove dead, damaged, and diseased material right away.
Frost crack or Southwest canker [1] is a form of tree bark damage sometimes found on thin barked trees, visible as vertical fractures on the southerly facing surfaces of tree trunks. Frost crack is distinct from sun scald and sun crack and physically differs from normal rough-bark characteristics as seen in mature oaks , pines , poplars and ...
A wound to the bark, caused by pruning, insects, poor branch angles or natural cracks and splits, causes sap to ooze from the wound. Bacteria may infect this sap causing it to darken and stain the bark, eventually taking on a foamy appearance and unpleasant odor. This slimy ooze becomes toxic to the bark and eats into the tree.
The bracket fungus Fistulina hepatica is one of many that cause heart rot.. Heart rot is caused by fungi entering the trunk of the tree through wounds in the bark.These wounds are areas of the tree where bare wood is exposed and usually, a result of improper pruning, fire damage, dead branches, insects, or even animal damage.
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.
The amount of light a tree receives on its southwest side is correlated with the amount of sun scald the tree endures. Reducing the amount of light the tree is exposed to by planting a shrub or bush strategically to shade the southwest side can be less effective than wrapping or painting, but can have better aesthetic qualities for landscaping.