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

Willis R. Littke; John E. Browning

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

Informally Refereed

Authors:

Willis R. Littke, John E. Browning

Year:

1989

Type:

General Technical Report

Station:

Pacific Southwest Research Station

Source:

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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Abstract

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.

Parent Publication

Proceedings of the symposium on research and management of annosus root disease (Heterobasidion annosum) in western North America; April 18-21, 1989; Monterey, CA.

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