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Filtering by: Subject Tortricidae -- Idaho Subject Ponderosa pine -- Diseases and pests -- Control -- Montana

Control of the western pine shoot borer Eucosma sonomana Kearfott in selected ponderosa pine plantations in northern Idaho and western Montana

Creator:

Dewey, Jerald E., Livingston, R. Ladd, Kohler, Steve, and Sartwell, Charles

Abstract:

A synthetic pheromone of the western pine shoot borer, Eucosma sonomana Kearfott, has been used successfully as a 'mating disrupter in northern Idaho and western Montana since 1984. Infestation levels in treated ponderosa pine plantations declined from an average of 28 percent infested in 1983 to 5.5 percent by 1986....

Resource Type:

Technical Report

Full Text:

SONOMANA KEARFOTT, IN SELECTED PONDEROSA PINE PLANTATIONS IN NORTHERN IDAHO AND WESTERN MONTANA by
Control of the western pine shoot borer Eucosma sonomana kearfott in selected ponderosa pine plantations in northern Idaho and western Montana : progress report no. 2

Creator:

Dewey, Jerald E. and United States. Forest Service. Northern Region. State & Private Forestry

Abstract:

Two blends (Natural and Phillips) of the western pine shoot borer pheromone, formulated as Hercon Luretape, were applied to six ponderosa pine plantations in northern Idaho and western Montana in 1984. The treatment was approximately 21.6 grams of pheromone per hectare. Significant reductions in damage have occurred in all treated...

Resource Type:

Technical Report

Full Text:

KEARFOTP IN SELECTED PONDEROSA PINE PLANTATIONS IN NORTHERN IDAHO AND WESTERN MONTANA Progress Report No