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Title: Hypoxylon canker
Author: Ostry, Michael E.
Source: In: Gonthier P.; Nicolotti, G., eds. Infectious forest diseases. Wallingfork, UK: CAB International: 407-419.
Description: Entoleuca mammata (Wahlenb.) J.D. Rogers & Y.M. Ju (syn. Hypoxylon mammatum (Wahlenb.) P. Karst.) causes the most damaging canker disease of quaking aspen (Populus tremuloides Michx.) - Hypoxylon canker - in many areas of North America. A study by Anderson (1964) in the Lake States (Michigan, Minnesota and Wisconsin) estimated that Hypoxylon canker killed 1-2% of the aspen volume each year, which is equivalent to 31% of the net annual growth. The estimated yearly volume loss in Ontario (Canada) was 2 million m3 (Pitt et al., 2001). Bigtooth aspen (P. grandidentata Michx.) is occasionally infected but the disease is not nearly as damaging to this species as it is to quaking aspen.
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Ostry, Michael E. 2013. Hypoxylon canker. In: Gonthier P.; Nicolotti, G., eds. Infectious forest diseases. Wallingfork, UK: CAB International: 407-419.
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