Are seed and cone pathogens causing significant losses in Pacific Northwest seed orchards? /

Bibliographic Details
Main Author:	Nelson, E. E.
Corporate Author:	Pacific Northwest Research Station (Portland, Or.)
Other Authors:	Thies, W. G., Li, C. Y.
Format:	Government Document Book
Language:	English
Published:	Portland, Or. : U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station, [1986]
Series:	Research note PNW ; 436.
Subjects:	Seed orchards > Diseases and pests > Northwest, Pacific.