Development of western spruce budworm on Douglas-fir callus tissue /

Bibliographic Details
Main Author:	Beckwith, R. C.
Corporate Author:	Pacific Northwest Research Station (Portland, Or.)
Other Authors:	Goldfarb, Barry
Format:	Government Document Book
Language:	English
Published:	[Portland, Or. (319 S.W. Pine St., Portland 97208)] : U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station, [1991]
Series:	Research note PNW ; 504.
Subjects:	Western spruce budworm > Northwestern States. Douglas fir > Diseases and pests > Northwestern States.

Description
Item Description:	Caption title. Distributed to depository libraries in microfiche. "June 1991."
Physical Description:	5 pages ; 28 cm.
Bibliography:	Includes bibliographical references (pages 4-5).