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  1. Heterobasidion (Fornes) Annosum Incidence in Pre-Commercially Thinned Coastal Washington Western Hemlock Stands

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    Author(s): Willis R. Littke; John E. Browning
    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. 57-65
    Publication Series: General Technical Report (GTR)
    Station: Pacific Southwest Research Station
    PDF: View PDF  (109 KB)
    Note: This article is part of a larger document. View the larger document

    Description

    Heterobasidion annosum infects western hemlock (Tsuga heterophylla) and causes a root and butt-rot disease. A disease survey was initiated in thinned Southwestern Washington hemlock stands to determine current disease incidence caused by H. annosum.

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    Citation

    Littke, Willis R.; Browning, John E. 1989. Heterobasidion (Fornes) Annosum Incidence in Pre-Commercially Thinned Coastal Washington Western Hemlock Stands. 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. 57-65

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