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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:: second-growth ponderosa pine 3/ stands 1/ Forest Service, Northern Region, State and Private Forestry

Creator:: McGregor, Mark D., Gibson, Kenneth E., and United States. Forest Service. Northern Region. State & Private Forestry
Abstract:: Mountain pine beetle infestation was detected in stands on the east side of Glacier National Park and the adjacent Blackfeet Indian Reservation in 1979. Infestation in the Park now encompasses an estimated 215,882 acres. About 200 acres are infested on the reservation. In areas sampled, number of trees killed per...
Resource Type:: Technical Report
Full Text:: SERVICE • NORTHERN REGION State & Private Forestry • Missoula, MT 59801 3450 Report No. 79-21 December

Creator:: James, Robert L., Dewey, Jerald E., and United States. Forest Service. Northern Region. State & Private Forestry
Resource Type:: Technical Report
Full Text:: Northern State & • Department of Service Region Private Agriculture Forestry P.[7. Box 7669 Missoula

Creator:: Bennett, D. D., McGregor, Mark D., and United States. Forest Service. Northern Region. State & Private Forestry
Resource Type:: Technical Report
Full Text:: Northern Region State & Private Forestry RO.Box 7669 Missoula, Montana 59807 • • METHODS Two areas

Creator:: Flavell, Thomas H., Tunnock, Scott, Meyer, Hubert E., and United States. Forest Service. Northern Region. State & Private Forestry
Abstract:: A pilot project to evaluate trichlorfon and acephate for suppressing western spruce budworm populations was conducted on the Helena National Forest, Montana. Both insecticides were applied at 1 pound active ingredient per acre. Application was made with a Bell 205A helicopter using eight Beecomist Model 350 spray heads. Treatments and...
Resource Type:: Technical Report
Full Text:: DISEASE MANAGEMENT State and Private Forestry FOREST SERVICE • NORTHERN REGION U.S. DEPARTMENT OF

Creator:: McGregor, Mark D. and United States. Forest Service. Northern Region. State & Private Forestry
Abstract:: Mountain pine beetle populations began building in the Kootenai National Forest in 1972. Infestations now encompass an estimated 48,599 acres of lodgepole pine type and 615 acres of ponderosa pine type. Approximately 25 percent of the high-risk stands, 17 percent of the moderate-risk, and less than 1 percent of the...
Resource Type:: Technical Report
Full Text:: National Forest, Montana. USDA-Forest Serv., State and Priv. Forestry, Missoula, MT, Rept. 76-6. Hamel

Creator:: Dooling, Oscar J., Eder, Robert G., and United States. Forest Service. Northern Region. State & Private Forestry
Abstract:: Dwarf mistletoes reduce tree height and diameter, and thereby cause a reduction in volume production. We estimate that volume reduction in Montana is about 33.2 MM cubic feet per year. Mistletoe effects are problems in some areas because of the demands we have placed on the Forests for goods and...
Resource Type:: Technical Report
Full Text:: . United States Forest Northern State & P.O.Box 7669 Department of Service Region Private Missoula

Creator:: James, Robert L. and United States. Forest Service. Northern Region. State & Private Forestry
Abstract:: Three stands along Benton Creek within the Priest River Experimental Forest, Idaho, were surveyed for diseases using previously established timber inventory plots and sample trees. These surveys provided information to aid in formation of silvicultural prescriptions by CEFES (Continuing Education in Forest Ecology and Silviculture) students. Diseases were quantified at...
Resource Type:: Technical Report
Full Text:: calibrated to a basal 0 United StatesDepartment of Agriculture Forest Service Northern Region State

Creator:: Niwa, Christine Gail, Hard, John S., and United States. Forest Service. Northern Region. State & Private Forestry
Resource Type:: Technical Report
Full Text:: Service, Institute of Northern 41O Forestry, Fairbanks, AK. United States Forest Northern State

Creator:: Hagle, Susan K., Kissinger, Willard A., and United States. Forest Service. Northern Region. State & Private Forestry
Abstract:: Needlecast fungi were found on 95 percent of damage collections in a June survey of Scots pine (Pinus sylvestris) Christmas tree plantations in the Kalispell Basin western Montana. Western gall rust (Endocronartium harknessii) and pine bark aphids (Pineus sp.) were present on 6.6 and 2.5 percent of collections, respectively. Cylcaneusma...
Resource Type:: Technical Report
Full Text:: MONTANA • • • .• Susan K. Hagle Plant Pathologist USDA Forest Service Northern Region and

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