Yazar

Boyd E Wickman

26 cilt bulundu.

Cilt sonuçları

A Case Study of a Douglas-Fir Tussock Moth

Boyd E Wickman · Franklin Classics Trade Press

24 sayfa · 2018

Kategori yok

Tree mortality and top-kill related to defoliation by the Douglas-fir tussock moth in the Blue Mountains outbreak

Wickman, Boyd E. · Pacific Northwest Forest and Range Experiment Station, U.S. Dept. of Agriculture

47 sayfa · 1978

Diseases and pests / Douglas-fir tussock moth / Fir

Decay in white fir top-killed by Douglas-fir tussock moth

Wickman, Boyd E. · Pacific Northwest Forest and Range Experiment Station, U.S. Dept. of Agriculture

Sayfa sayısı yok · 1972

Diseases and pests / Abies concolor / Douglas-fir tussock moth

Comparison of a degree-day computer and a recording thermograph in a forest environment

Wickman, Boyd E. · U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station

Sayfa sayısı yok · 1985

Temperature measurements / Degree days / Phenology / Thermometers

Fir tree borer

Wickman, Boyd E. · U.S. Govt. Print. Off.]

Sayfa sayısı yok · 1968

Fir / Semanotus litigiosus / Pests / Diseases and pests

A case study of a Douglas-fir tussock moth outbreak and stand conditions 10 years later

Wickman, Boyd E. · Pacific Northwest Forest and Range Experiment Station, U.S. Dept. of Agriculture, Forest Service

22 sayfa · 1978

Douglas-fir tussock moth / Tree declines / Trees / Diseases and pests

Radial growth of grand fir and douglas-fir 10 years after defoliation by the douglas-fir tussock moth in the Blue Mountains outbreak

Wickman, Boyd E. · U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Experiment Station

11 sayfa · 1986

Douglas fir / Diseases and pests / Defoliation / Douglas-fir tussock moth / Abies grandis

Natural regeneration 10 years after a Douglas-fir tussock moth outbreak in northeastern Oregon

Wickman, Boyd E. · U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station

15 sayfa · 1986

Forest regeneration / Douglas-fir tussock moth / Douglas fir / Diseases and pests

Douglas fir tussock moth egg hatch and larval development in relation to phenology of grand fir and Douglas-fir in northeastern Oregon

Wickman, Boyd E. · Pacific Northwest Forest and Range Experiment Station, U.S. Dept. of Agriculture, Forest Service

13 sayfa · 1976

Douglas fir / Douglas-fir tussock moth / Fir / Abies grandis

Douglas-fir tussock moth egg hatch and larval development in relation to phenology of white fir in southern Orgeon

Wickman, Boyd E. · Pacific Northwest Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture

Sayfa sayısı yok · 1977

Douglas fir tussock moth / Eggs / Development / Abies concolor / Phenology

Growth of white fir after Douglas-fir tussock moth outbreaks

Wickman, Boyd E. · U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research

Sayfa sayısı yok · 1986

Abies concolor / Diseases and pests / Fir / Douglas fir tussock moth

Evaluating damage caused to a campground by Douglas-fir tussock moth

Wickman, Boyd E. · U.S. Forest Service

Sayfa sayısı yok · 1975

Douglas-fir tussock moth

Radial growth in grand fir and Douglas-fir related to defoliation by the Douglas-fir tussock moth in the Blue Mountains outbreak

Wickman, Boyd E. · Pacific Northwest Forest and Range Experiment Station, U.S. Dept. of Agriculture, Forest Service

23 sayfa · 1980

Defoliation / Douglas fir / Abies grandis / Douglas-fir tussock moth / Diseases and pests

Mortality of white fir following defoliation by the Douglas-fir tussock moth in California, 1957

Wickman, Boyd E. · California Forest and Range Experiment Station

Sayfa sayısı yok · 1958

Diseases and pests / Abies concolor / Douglas fir tussock moth / Defoliation

Effects of defoliation by the Great Basin tent caterpillar on greenleaf manzanita and whitehorn ceanothus

Wickman, Boyd E. · California Forest and Range Experiment Station

Sayfa sayısı yok · 1962

Arctostaphylos / Ceanothus / Great Basin tent caterpillar / Defoliation

The effects of sanitation-salvage cutting on insect-caused mortality at Blacks Mountain Experimental Forest, 1938-1959

Wickman, Boyd E. · U.S. Dept. of Agriculture, Forest Service, Pacific Southwest Forest and Range Experiment Station

39 sayfa · 1962

Control / Trees / Forest insects / Diseases and pests

Mammoth Lakes revisited, 50 years after a Douglas-fir Tussock Moth outbreak

Wickman, Boyd E. · U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station

Sayfa sayısı yok · 1991

Statistics / Douglas-fir tussock moth / Diseases and pests / Douglas fir / Trees

Douglas-fir tussock mothDouglas-fir tussock moth handbookBoyd E Wickman

Douglas-fir tussock moth handbook

Boyd E Wickman · Dept. of Agriculture : for sale by the Supt. of Docs., U.S. Govt. Print. Off.

15 sayfa · 1979

Defoliation / Douglas fir tussock moth / Douglas-fir tussock moth

Douglas-fir tussock mothDouglas-fir tussock mothWickman, Boyd E.

Douglas-fir tussock moth

Wickman, Boyd E. · U.S. Dept. of Agriculture, Forest Service

10 sayfa · 1981

Douglas-fir tussock moth

Douglas-fir tussock mothDegree-day accumulation related to the phenology of Douglas-fir tussock moth and white fir during five seasons of monitoring in southern OregonBoyd E Wickman

Degree-day accumulation related to the phenology of Douglas-fir tussock moth and white fir during five seasons of monitoring in southern Oregon

Boyd E Wickman · U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station

10 sayfa · 1981

Phenology / Douglas fir tussock moth / Douglas-fir tussock moth

Douglas-fir tussock mothTree growth in thinned and unthinned white fir stands 20 years after a Douglas-fir tussock moth outbreakBoyd E Wickman

Tree growth in thinned and unthinned white fir stands 20 years after a Douglas-fir tussock moth outbreak

Boyd E Wickman · U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station

11 sayfa · 1988

Douglas fir / Diseases and pests / Growth / Douglas-fir tussock moth

Diseases and pestsMajor outbreaks of the Douglas-fir tussock moth in Oregon and CaliforniaWickman, Boyd E.

Major outbreaks of the Douglas-fir tussock moth in Oregon and California

Wickman, Boyd E. · Pacific Northwest Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture

18 sayfa · 1973

Douglas-fir tussock moth / Douglas fir / Diseases and pests

Douglas fir tussock mothHow to time the sampling of tussock moth larvaeBoyd E. Wickman

How to time the sampling of tussock moth larvae

Boyd E. Wickman · U.S. Dept. of Agriculture, Combined Forest Pest Research and Development Program

Sayfa sayısı yok · 1978

Douglas fir tussock moth

Forest entomologistsHarry E. Burke and John M. Miller, pioneers in western forest entomologyWickman, Boyd E.

Harry E. Burke and John M. Miller, pioneers in western forest entomology

Wickman, Boyd E. · U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station

163 sayfa · 2005

Forest entomologists

Diseases and pestsInsect-caused deterioration of windthrown timber in northern California, 1963-1964Wickman, Boyd E.

Insect-caused deterioration of windthrown timber in northern California, 1963-1964

Wickman, Boyd E. · Pacific Southwest Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture

14 sayfa · 1965

Wood / Conifers / Deterioration / Diseases and pests

Abies concolorMortality and growth reduction of white fir following defoliation by the Douglas-fir tussock mothWickman, Boyd E.

Mortality and growth reduction of white fir following defoliation by the Douglas-fir tussock moth

Wickman, Boyd E. · Pacific Southwest Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture

15 sayfa · 1963

Diseases and pests / Fir / Douglas-fir tussock moth / Abies concolor