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    Author(s): Ellen Michaels Goheen; Donald J. Goheen
    Date: 1989
    Source: In: Otrosina, William J.; Scharpf, Robert F., technical coordinators. 1989. Proceedings of the symposium on research and management of annosus root disease (<i>Heterobasidion annosum</i>) in western North America; April 18-21, 1989; Monterey, CA. Gen. Tech. Rep. PSW-GTR-116. Berkeley, CA: Pacific Southwest Forest and Range Experiment Station, Forest Service, U.S. Department of Agriculture; p. 66-69
    Publication Series: General Technical Report (GTR)
    Station: Pacific Southwest Research Station
    PDF: View PDF  (47 KB)

    Description

    Annosus root disease affects three tree species groups in the Pacific Northwest-the hemlocks, the pines, and the true firs. The disease causes significant decay and stem breakage in old growth western hemlock stands but little damage in young managed stands. Losses in ponderosa pine are minor over most of the region but can be substantial in selectively harvested stands on dry plant association types in southeastern Oregon. Annosus root disease is very damaging in white and grand fir stands east of the Cascades. The disease may limit management of these species in stands that have experienced more than one selective harvest entry.

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    Citation

    Goheen, Ellen Michaels; Goheen, Donald J. 1989. Losses Caused by Annosus Root Disease in Pacific Northwest Forests. In: Otrosina, William J.; Scharpf, Robert F., technical coordinators. 1989. Proceedings of the symposium on research and management of annosus root disease (Heterobasidion annosum) in western North America; April 18-21, 1989; Monterey, CA. Gen. Tech. Rep. PSW-GTR-116. Berkeley, CA: Pacific Southwest Forest and Range Experiment Station, Forest Service, U.S. Department of Agriculture; p. 66-69

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https://www.fs.usda.gov/treesearch/pubs/28315