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Creator:: United States. Forest Service. Northern Region. State & Private Forestry
Resource Type:: Technical Report
Full Text:: ;• May 1973 CULTURAL CONTROL OF MOUNTAIN PINE BEETLE IN SECOND-GROWTH PONDEROSA PINE STANDS LOLO

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

Creator:: Bennett, D. D., McGregor, Mark D., and United States. Forest Service. Northern Region. State & Private Forestry
Resource Type:: Technical Report
Full Text:: . Sufficient data show that thinning second- growth ponderosa pine stands will increase tree growth and

Creator:: McGregor, Mark D., Kohler, Steve, Ferry, Gardner, and United States. Forest Service. Northern Region. State & Private Forestry
Abstract:: Mountain pine beetle reached epidemic levels in second-growth ponderosa pine stands on Bureau of Indian Affairs and private lands on the Crow Indian Reservation. Approximately 9,106 trees containing 420,266 merchantable board feet were killed from 1971 to 1973. This is about 24 percent of the merchantable ponderosa pine in stands...
Resource Type:: Technical Report
Full Text:: merchantable ponderosa pine in stands surveyed. Stands are stagnated, and trees appear stressed which is

Creator:: McGregor, Mark D., Kohler, Steve, and United States. Forest Service. Northern Region. State & Private Forestry
Resource Type:: Technical Report
Full Text:: , 1973 By Mark D. McGregor 1/ and Steve Kohler 2/ INTRODUCTION An outbreak of mountain pine beetle

Creator:: Bousfield, Wayne E. and United States. Forest Service. Northern Region. State & Private Forestry
Abstract:: The pine butterfly, Neophasia menapia Feld., has been at epidemic levels in the Bitterroot and Missoula valleys for the past 2 years (Ciesla et al. 1971) (Bousfield and Meyer 1972). Several reports of conspicuous pine butterfly flights on the Flathead Indian Reservation prompted an evaluation of the potential for pine...
Resource Type:: Technical Report
Full Text:: Insect and Disease Branch POTENTIAL FOR THE PINE BUTTERFLY DEFOLIATION • • The pine butterfly

Creator:: McGregor, Mark D. and United States. Forest Service. Northern Region. State & Private Forestry
Abstract:: This report documents the establishment of a study to determine the effect of thinning on incidence of mountain pine beetle, Dendroctonus ponderosae Hopk., infestation in second-growth ponderosa pine stands in western Montana. Although insufficient time has passed for a similar study in Oregon to yield a solid base for a...
Resource Type:: Technical Report
Full Text:: are shown in Tables 1, 2, 3, and 4. REFERENCE CITED Sartwell, Charles, 1971. Thinning ponderosa pine

Creator:: James, Robert L. and United States. Forest Service. Northern Region. State & Private Forestry
Abstract:: Eighteen isolates of Fusarium comprising four species (F. oxysporum, E. avenaceum, E. acuminatum, and F. sambucinum) isolated from diseased conifer seedlings from nurseries were tested for pathogenicity on Douglas-fir germlings. Three of the most pathogenic F. oxysporum isolates on Douglas-fir germlings were also tested on ponderosa pine germlings and older...
Resource Type:: Technical Report
Full Text:: ON DOUGLAS-FIR AND PONDEROSA PINE SEEDLINGS by R. L. James, Plant Pathologist, Cooperative Forestry

Creator:: Tunnock, Scott, Meyer, Hubert E., and United States. Forest Service. Northern Region. State & Private Forestry
Resource Type:: Technical Report
Full Text:: infested by a ponderosa pine needle miner in the Flathead Indian Reservation and Missoula Valley during

Creator:: Gibson, Kenneth E., McGregor, Mark D., Dewey, Jerald E., and United States. Forest Service. Northern Region. State & Private Forestry
Abstract:: The mountain pine beetle infestation in Corral, Little Corral, and Cache Creeks on the Crow Indian Reservation, Montana has been increasing for the past several years. Trees killed per acre averaged 38.8 in 1979. Our predictions for the future trend of the infestation, plus management alternatives to lessen its severity,...
Resource Type:: Technical Report
Full Text:: and direct control of mountain pine beetle in second-growth ponderosa pine. USDA Forest Serv. Res

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