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Filtering by: Subject Douglas fir -- Diseases and pests -- Montana -- Gallatin National Forest Decade 1980-1989

Status of Douglas-fir bark beetle, Madison Ranger District, Beaverhead National Forest, 1982

Creator:

McGregor, Mark D., Oakes, Robert D., Dooling, Oscar J., and United States. Forest Service. Northern Region. Cooperative Forestry & Pest Management

Abstract:

Douglas-fir beetle has increased to epidemic levels in mature-overmature Douglas-fir that has been top killed by western spruce budworm. About 42 trees per acre have been killed in an area at Lyon's Face and 36 trees per acre in other areas along the Madison River during the past 3 years....

Resource Type:

Technical Report

Full Text:

during their examination. LITERATURE CITATIONS Bousfield, Wayne E. R-1 forest insect and disease
Dwarf mistletoe loss assessment on the Flathead and Kootenai National Forests, Montana

Creator:

Dooling, Oscar J., Eder, Robert G., and United States. Forest Service. Northern Region. State & Private Forestry

Resource Type:

Technical Report

Full Text:

MISTLETOE LOSS ASSESSMENTON THE FLATHEAD AND KOOTENAI NATIONAL FORESTS, MONTANA By • Oscar J. Dooling
Evaluation of dwarf mistletoe control projects, Sula and Darby Ranger Districts, Bitterroot National Forest

Creator:

Dooling, Oscar J. and United States. Forest Service. Northern Region. State & Private Forestry

Abstract:

Residual Douglas-fir are dwarf mistletoe-infested and pose a threat to regeneration. Felling of these residuals will reduce dwarf mistletoe intensity and increase future volume yields. The benefit/cost ratio at 4 percent for the current rotation is 0.51/1 on the Sula RD and 0.45/1 on the Darby RD (both negative ratios)....

Resource Type:

Technical Report

Full Text:

National Forest. Infested trees and stands are also more vulnerable to attack by other disease organisms

ScholarsArchive@OSU

Status of Douglas-fir bark beetle, Madison Ranger District, Beaverhead National Forest, 1982

Dwarf mistletoe loss assessment on the Flathead and Kootenai National Forests, Montana

Evaluation of dwarf mistletoe control projects, Sula and Darby Ranger Districts, Bitterroot National Forest

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