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Filtering by: In Series Cooperative forestry and pest management Creator Gibson, Kenneth E.

Permanent mountain pine beetle population trend plots : an update, 1983

Creator:

Gibson, Kenneth E. and United States. Forest Service. Northern Region. Cooperative Forestry & Pest Management

Abstract:

For the fourth year since their establishment, the six permanent plot locations in Montana were revisited following beetle flight in 1982.Beetle populations remained low in five of the six areas. Only in the Murr Creek plots did newly attacked trees represent an epidemic beetle population. In the Centennial Valley location,...

Resource Type:

Technical Report

Full Text:

, 1983 by Kenneth E. Gibson PRONG BINDER • - Cooperativej Forestry & Pest • Management SDI 4-4 • Pr
Pilot project of Bacillus thuringiensis against western spruce budworm in central Montana, 1981

Creator:

Stipe, Lawrence E., Niwa, Christine G., Eder, Robert G., Gibson, Kenneth E., and Meyer, Hubert E.

Abstract:

Cooperative Forestry and Pest Management conducted a pilot control project in central Montana to determine the effectiveness of two commercial formulations of BaaiUus th,uringiensis Berliner applied at 8 billiori international units (BIU) per acre (19.8 BIU per hectare) when used under operational conditions against the western spruce budworm, Choristoneu:roa ocaidentalis...

Resource Type:

Technical Report

Full Text:

for our laboratory. ii • • • • • • • • ABSTRACT • Cooperative Forestry and Pest Management