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Induction of Hypoxylon Cankers in Aspens by Artificial Inoculation

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Inoculations using mycelia of Hypoxylon pruinatum (Klot.) Cke. grown on (1) oat-wheat, (2) bran, and (3) Potato-cerelose-agar media were compared with spore inoculations in covered and uncovered wounds on Populus tremuloides Michx. and P. grandidentata Michx. in five experimental plots in northern Wisconsin. Infections occurred and typical Hypoxylon cankers developed following inoculations with mycelia but not with spores. Highly significant differences in percent infection were found among plots and type of inocula but not between presence or absence of covering. A 3:1 oat-wheat medium was significantly superior to other media tested for mycelial inoculations and gave from 70 to 100 percent infection.

Document Type: Journal Article

Affiliations: Forest Pathologist, Weyerhaeuser Company, Forestry Research Center, Centralia, Washington

Publication date: March 1, 1963

More about this publication?
  • Forest Science is a peer-reviewed journal publishing fundamental and applied research that explores all aspects of natural and social sciences as they apply to the function and management of the forested ecosystems of the world. Topics include silviculture, forest management, biometrics, economics, entomology & pathology, fire & fuels management, forest ecology, genetics & tree improvement, geospatial technologies, harvesting & utilization, landscape ecology, operations research, forest policy, physiology, recreation, social sciences, soils & hydrology, and wildlife management.
    Forest Science is published bimonthly in February, April, June, August, October, and December.

    2015 Impact Factor: 1.702
    Ranking: 16 of 66 in forestry

    Also published by SAF:
    Journal of Forestry
    Other SAF Publications
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