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Creator:: Gibson, Kenneth E., Dooling, Oscar J., and United States. Forest Service. Northern Region
Abstract:: Insects and diseases have the potential of seriously affecting timber associated resources on eastside forests within the foreseeable future. Within the past decade, lodgepole pine mortality attributed to the mountain pine beetle has totaled tens of millions of trees on the Gallatin and Beaverhead National Forests (NF) alone. In that...
Resource Type:: Technical Report
Full Text:: Forest Northern P.O. Box 7669 Department of Service Region Missoula, Montana Agriculture 59807

Creator:: McGregor, Mark D. and United States. Forest Service. Northern Region
Resource Type:: Technical Report
Full Text:: Forest Northern Service Region P.O. Box 7669 Missoula, Montana 59807 Table 1.--Status of insect

Creator:: Gibson, Kenneth E., Byler, James W., and United States. Forest Service. Northern Region. State & Private Forestry
Resource Type:: Technical Report
Full Text:: INSECT AND DISEASE PESTS ON THE FLATHEAD NATIONAL FOREST Major Insect and disease pests--those

Creator:: Bousfield, Wayne E., Wulf, N. William, and Stipe, Lawrence E.
Resource Type:: Technical Report
Full Text:: stocking levels are displayed in Tables 1 and 2. • United States Forest Northern P.O. Box 7669

Creator:: Dooling, Oscar J., Eder, Robert G., and United States. Forest Service. Northern Region. State & Private Forestry
Resource Type:: Technical Report
Full Text:: on the impact of dwarf mistletoe on Douglas-fir in western Montana. USDA-Forest Service, Northern

Creator:: Gibson, Kenneth E., McGregor, Mark D., Oakes, Robert D., and United States. Forest Service. Northern Region
Abstract:: The mountain pine beetle infestation existing on the Crow Indian Reservation (IR) since the early 1970's, and later developing principally in the western portion of the Northern Cheyenne IR, continued into 1984. Survey results indicate the infestation is still building on both Reservations. To help develop beetle management strategies appropriate...
Resource Type:: Technical Report
Full Text:: . Bousfield, Wayne E. 1980. R-1 Forest Insect and Disease Damage Survey System. • USDA Forest Serv., For

Creator:: Gibson, Kenneth E. and United States. Forest Service. Northern Region. State & Private Forestry
Abstract:: Six Montana areas in which permanent mountain pine beetle trend plots were established in 1979 were revisited in 1980. Results of the visit show infestation intensity decreased significantly in Centennial Valley, decreased slightly in the Madison River plot area, and increased almost threefold in the Murr Creek area. Beetle populations...
Resource Type:: Technical Report
Full Text:: 3450 July 1981 F-4/1 74) Forest Pest tie • Management Alamm.s

Creator:: James, Robert L. and United States. Forest Service. Northern Region
Abstract:: Causes of mortality of containerized western larch seedlings at the Champion Timberlands Nursery, Plains, Montana, were investigated. Seedlings were rated for disease severity based on extent of foliar decline symptoms and fungal isolations made from their roots. Isolations were also made from selected larch seed. Consistent associations between root colonization...
Resource Type:: Technical Report
Full Text:: Timberlands Nursery, Plains, Montana. USDA Forest Serv., Northern Reg. 3 p. James, R. L. 1986c. Mortality of

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

Creator:: Dooling, Oscar J., Johnson, Ralph R., Eder, Robert G., and United States. Forest Service. Northern Region
Abstract:: A permanent study was established in 1970 and 1971 to measure the impact, spread, and intensification of dwarf mistletoe on precommercially thinned Douglas-fir and lodgepole pine in Montana. Mean diameter growth on all plots was reduced 21 percent in Douglas-fir, but the reduction is only significant at the 0.15 level....
Resource Type:: Technical Report
Full Text:: DWARF MISTLETOE IN DOUGLAS-FIR AND LODGEPOLE PINE IN MONTANA by Oscar J. Dooling, Ralph R. Johnson

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