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Title: Hypoxylon Canker of Aspen
Author: Anderson, Ralph L.; Anderson, Gerald W.; Schipper, Arthur L. Jr.;
Source: Forest Insect & Disease Leaflet 6. [Broomall, PA:] U.S. Dept. of Agriculture, Forest Service, Northern Area State & Private Forestry
Publication Series: Forest Insect and Disease Leaflet (FIDL)
Description: Hypoxylon canker, caused by the fungus Hypoxylon mammatum (Wahl.) Mill. (formerly H. pruinatum (Klot.) Cke.), is one of the most important killing diseases of aspen in eastern North America. In Michigan, Minnesota, and Wisconsin, the total impact of Hypoxylon canker has been estimated to be 30 percent of the annual net growth of aspen; in 1972, trees worth more than $4 million were lost to the disease.
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Anderson, Ralph L.; Anderson, Gerald W.; Schipper, Arthur L. Jr. 1979. Hypoxylon Canker of Aspen. Forest Insect & Disease Leaflet 6. [Broomall, PA:] U.S. Dept. of Agriculture, Forest Service, Northern Area State & Private Forestry
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