An edition of Development of western spruce budworm on Douglas-fir callus tissue (1991)
Development of western spruce budworm on Douglas-fir callus tissue
By R. C. Beckwith
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Publish Date
1991
Publisher
U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station
Language
eng
Pages
-
Description:
subjects: Douglas fir, Western spruce budworm, Diseases and pests
Places: Northwestern States