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It is a small to medium-sized deciduous tree reaching a height of 5–20 m with a trunk up to 50 cm diameter. The leaves are in opposite pairs, 2.5–8 cm long (excluding the 2–5 cm petiole) and 3.5–6.5 cm broad, hard, glossy dark green above, paler below, usually with three lobes; on mature trees the lobes forward-pointing and with smooth margins, on young trees with more spreading lobes ...
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]
broad maple Aceraceae (maple family) Acer argutum: deep-veined maple Aceraceae (maple family) Acer floridanum: Florida maple; southern sugar maple Aceraceae (maple family) Acer barbinerve: bearded maple Aceraceae (maple family) Acer buergerianum: trident maple Aceraceae (maple family) Acer caesium: Himalayan maple Aceraceae (maple family) Acer ...
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.
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Possible symptoms produced tend to vary from white gray mottling on field maple to yellow chlorotic spots on hawthorn leaves. [1] There is an Apple Necrotic Mosaic Virus (ApNMV) which is a very similar virus but displays signs of necrosis. [6] Furthermore, in plum trees, ApMV can cause line-pattern symptoms, while in roses, the symptoms are ...
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 ...
Description and assessment of damage to tree structures (parts of a tree), to forest stands, landscape effects and to wood products, timber in service and other ecosystem services. Eradication of recently introduced pests, or long-term management of established exotics and indigenous pests, to minimise losses in wood quality and wood production ...