Are seed and cone pathogens causing significant losses in Pacific Northwest seed orchards?
By: E.E. Nelson, W.G. Thies, and C.Y. Li.
Contributors: Thies, W. G.; Li, C. Y.; Pacific Northwest Research Station (Portland, Or.)
Series: Research note PNW -- 436.
Publisher: U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station
Published: 1986
Place of publication: Portland, Or
Language: eng
Subjects: Seed orchards -- Diseases -- Northwest, Pacific
Notes: Caption title.

Distributed to depository libraries in microfiche.

"January 1986."

Bibliography: p. 5.