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Filtering by: Subject Western spruce budworm -- Montana -- Lolo National Forest Subject Report (United States. Forest Service. Northern Region. Forest Pest Management)

Progress report on the spruce budworm silvicultural demonstration project on the Gallatin and Lolo National Forests

Creator:

Bousfield, Wayne E., Wulf, N. William, and Stipe, Lawrence E.

Resource Type:

Technical Report

Full Text:

THE SPRUCE BUDWORM SILVICULTURAL DEMONSTRATION PROJECT ON THE GALLATIN AND LOLO NATIONAL FORESTS
Western spruce budworm 1/ control project on the Big Timber Ranger District, Gallatin National Forest, Montana

Creator:

Bousfield, Wayne E., Cifala, Frank, Kracht, Richard, and United States. Forest Service. Northern Region

Abstract:

The microbial insecticide, Bacillus thuringensis (Bt), was applied from fixed-wing aircraft to approximately 700 acres of western spruce budworm host type at the rate of 12 billion international units (BIU's) per gallon of water per acre. The objective of this control project was foliage protection to insure future cone production...

Resource Type:

Technical Report

Full Text:

Gallatin National Forest (fig.1). The area has a history of spruce budworm, and has been defoliated for the

ScholarsArchive@OSU

Progress report on the spruce budworm silvicultural demonstration project on the Gallatin and Lolo National Forests

Western spruce budworm 1/ control project on the Big Timber Ranger District, Gallatin National Forest, Montana

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