Search results for: Wickman, Boyd E.
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21
Forest health in the Blue Mountains : the influence of insects and diseases
Authors: Wickman, Boyd E.
Published: USDA Forest Service, Pacific Northwest Research Station, 1992Physical Description: 1 online resource (15 pages) : illustrations (some color).Holdings: Loading…Connect to online resource - All users (Federal Depository Library Program Persistant URL)
Government Document Electronic eBook -
22
How to time the sampling of tussock moth larvae
Authors: Wickman, Boyd E.
Published: U.S. Dept. of Agriculture, Combined Forest Pest Research and Development Program, 1978Physical Description: 1 online resource (6 pages) : illustrations (some color).Holdings: Loading…Connect to online resource - All users (Federal Depository Library Program Persistant URL)
Government Document Electronic eBook -
23
Northeastern Oregon bark beetle control project 1910-11
Authors: Burke, H. E. (Harry Eugene), 1878-1963Other Authors: “…Wickman, Boyd E.…”
Published: U.S. Department of Agriculture, Forest Service, Pacific Northwest Research Station, 1990
Physical Description: 46 pages : illustrations, map ; 28 cm.Holdings: Loading…
Government Document Book Loading… -
24
Decay in tops killed by Douglas-fir tussock moth in the Blue Mountains
Authors: Aho, Paul E.Other Authors: “…Wickman, Boyd E.…”
Published: Department of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station, 1979
Physical Description: 22 pages : illustrations ; 27 cm.Holdings: Loading…
Government Document Book Loading… -
25
Sampling Western Spruce Budworm larvae by counting larvae on lower crown branches
Authors: Mason, Richard R.Other Authors: “…Wickman, Boyd E.…”
Published: U.S. Department of Agriculture, Forest Service, Pacific Northwest Research Station, 1989
Physical Description: 8 pages : illustrations ; 28 cm.Holdings: Loading…
Government Document Microfilm Book Loading…
Related Subjects
Douglas fir tussock moth
Diseases and pests
Douglas fir
Fir
Control
Defoliation
Phenology
Trees
Bark beetles
Environmental aspects
Forest fires
Growth
Western spruce budworm
Abies concolor
Abies grandis
Degree days
Forest entomologists
Forest insects
Forest regeneration
History
Sampling (Statistics)
Spruce
Temperature measurements
Thermometers