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william f mccambridge

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Pinyon needle scale

William F. McCambridge · U.S. Dept. of Agriculture, Forest Service

Sayfa sayısı yok · 1974

Scale insects / Pinus edulis / Matsucoccus / Diseases and pests

Forest insect conditions in the Southeast during 1957

William F. McCambridge · U.S. Dept. of Agriculture, Forest Service, Southeastern Forest Experiment Station

10 sayfa · 1958

Forest insects

Fumigate firewood infested with mountain pine beetle

William F. McCambridge · Rocky Mountain Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture

Sayfa sayısı yok · 1975

Kategori yok

Mountain pine beetle

William F. McCambridge · Dept. of Agriculture, Forest Service

Sayfa sayısı yok · 1972

Mountain pine beetle / Pine / Diseases and pests

Forest insect conditions in the Southeast during 1956

William F. McCambridge · U.S. Dept. of Agriculture, Forest Service, Southeastern Forest Experiment Station

Sayfa sayısı yok · 1957

Forest insects

Emergence period of Black Hills beetles from ponderosa pine in the central Rocky Mountains

William F. McCambridge · Rocky Mountain Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture

Sayfa sayısı yok · 1964

Ponderosa pine / Mountain pine beetle / Diseases and pests

Diseases and pestsIdentifying ponderosa pines infested with mountain pine beetlesWilliam F. McCambridge

Identifying ponderosa pines infested with mountain pine beetles

William F. McCambridge · Rocky Mountain Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture

Sayfa sayısı yok · 1974

Control / Ponderosa pine / Mountain pine beetle / Diseases and pests

Mountain beetle beetleEffectiveness of thinning ponderosa pine stands in reducing mountain pine beetle-caused tree losses in the Black Hills, preliminary observationsWilliam F. McCambridge

Effectiveness of thinning ponderosa pine stands in reducing mountain pine beetle-caused tree losses in the Black Hills, preliminary observations

William F. McCambridge · USDA Forest Service, Rocky Mountain Forest and Range Experiment Station

Sayfa sayısı yok · 1982

Forest thinning / Biological control / Mountain pine beetle / Mountain beetle beetle

ReproductionIncidence of sperm in emerging female mountain pine beetlesWilliam F. McCambridge

Incidence of sperm in emerging female mountain pine beetles

William F. McCambridge · Rocky Mountain Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture

Sayfa sayısı yok · 1969

Mountain pine beetle / Reproduction

Ponderosa pineTreatment height for mountain pine beetles in front range ponderosa pineWilliam F. McCambridge

Treatment height for mountain pine beetles in front range ponderosa pine

William F. McCambridge · Rocky Mountain Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture

Sayfa sayısı yok · 1972

Control / Diseases and pests / Ethylene dibromide / Mountain pine beetle / Ponderosa pine

Mountain pine beetleHerbage production under ponderosa pine killed by the mountain pine beetle in ColoradoWilliam F. McCambridge

Herbage production under ponderosa pine killed by the mountain pine beetle in Colorado

William F. McCambridge · USDA Forest Service, Rocky Mountain Forest and Range Experiment Station

Sayfa sayısı yok · 1982

Grasses / Ponderosa pine / Mountain pine beetle

Mountain pine beetleDuration of effectiveness of carbaryl in protecting ponderosa pines from attack by mountain pine beetlesWilliam F. McCambridge

Duration of effectiveness of carbaryl in protecting ponderosa pines from attack by mountain pine beetles

William F. McCambridge · USDA Forest Service, Rocky Mountain Forest and Range Experiment Station

Sayfa sayısı yok · 1981

Control / Protection / Ponderosa pine / Mountain pine beetle

MistletoesSome mountain pine beetle infestation characteristics in dwarf mistletoe-infected and uninfected ponderosa pineWilliam F. McCambridge

Some mountain pine beetle infestation characteristics in dwarf mistletoe-infected and uninfected ponderosa pine

William F. McCambridge · Rocky Mountain Forest and Range Experiment Station

Sayfa sayısı yok · 1980

Mistletoes