Sampling Western Spruce Budworm larvae by counting larvae on lower crown branches
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Author
Contributions
- Wickman, Boyd E. - Contributor
- Paul, H. G. - Contributor
- Pacific Northwest Research Station (Portland, Or.) - Contributor
Publication
1989 - U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station, Portland, Or. (319 S.W. Pine St., P.O. Box 3890, Portland 97208), Oregon
Language
English
Subjects
Topics
SpruceStatisticsDiseases and pestsSampling (Statistics)Western spruce budwormWestern spruce budworm -- Oregon -- StatisticsSpruce -- Diseases and pests -- Oregon -- Statistics
Places
Genres
- Statistics
Series Statement
- Research note PNW -- RN-486.
- Research note PNW -- 486.
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