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Creator:: Hagle, Susan K. and Grasham, John L.
Abstract:: White pine plantations which were established in 1968 on 88 acres of the Palouse Ranger District, Clearwater National Forest, were treated by pruning and canker excision to remove lethal white pine blister rust cankers. The success rate 15 months after treatment was 98 percent for pruning and 81 percent for...
Resource Type:: Technical Report
Full Text:: pathologist, USDA Forest Service, Northern Region, Timber, Cooperative Forestry and Pest Management; and

Creator:: James, Robert L., Stewart, C. A., and United States. Forest Service. Northern Region. State & Private Forestry
Abstract:: An impact survey to determine extent and distribution of root disease centers was completed for the Nezperce National Forest, Idaho, in 1980. Lowlevel color infrared photography was used to delineate root disease centers within National Forest inventory subcompartments. Suspected root disease centers were ground checked to determine associated fungi and...
Resource Type:: Technical Report
Full Text:: planned for other National Forests in the Northern Region to provide data for the National Forest Insect

Creator:: McGregor, Mark D. and United States. Forest Service. Northern Region. State & Private Forestry
Resource Type:: Technical Report
Full Text:: R. D. Oakes, Biological Technicians • • • • • USDA Forest Service Northern Region Cooperative

Creator:: Dooling, Oscar J. and United States. Forest Service. Northern Region. Cooperative Forestry & Pest Management
Abstract:: Residual Douglas-fir, western larch, and lodgepole pine are dwarf mistletoe-infested and pose a threat to existing regeneration. Felling or girdling these residuals, along with sanitation/thinning, will reduce mistletoe intensity and increase future volume yields. Present net worth of the project is $48.05/acre. Benefit cost ratio is 1.97/1. Use of pest...
Resource Type:: Technical Report
Full Text:: Forest Northern Department of Service Region Agriculture RO. Box 7669 Missoula, Montana 59807

Creator:: Dooling, Oscar J. and United States. Forest Service. Northern Region. Cooperative Forestry & Pest Management
Abstract:: An investment is an expenditure made with expectation of future gains, financial or otherwise. Dwarf mistletoe management, and even forest management itself, often involves investment for social and community benefits without expectations of direct financial gain. The USDA Forest Service Northern Region's dwarf mistletoe program, 1966 to 1981, is used...
Resource Type:: Technical Report
Full Text:: mistletoes in Montana. USDA For. Ser., Northern Region. Forest Pest Manage- ment Report 81-12, 17 pp

Creator:: James, Robert L. and United States. Forest Service. Northern Region. Cooperative Forestry & Pest Management
Resource Type:: Technical Report
Full Text:: 1956). • • • • United StatesDepartment of Agriculture Forest Service Northern Region P.O. Box

Creator:: James, Robert L. and United States. Forest Service. Northern Region. Cooperative Forestry & Pest Management
Abstract:: Root disease of 2-0 western white pine seedlings occurred at the Coeur d'Alene Nursery in 1982 within seedbeds fumigated with methyl bromide and chloropicrin. Although losses were not substantial, there were several groups of dead seedlings within affected seedbeds. Fusarium oxysporum was most often isolated from diseased roots. Other Fusarium...
Resource Type:: Technical Report
Full Text:: Service Northern Region RO, Box 7669 Missoula, Montana 59807 Figure 1.--Mortality of 2-0 western

Creator:: James, Robert L., Stewart, C. A., and United States. Forest Service. Northern Region. Cooperative Forestry & Pest Management
Abstract:: A survey for incidence and distribution of root diseases was conducted on the Kootenai National Forest using timber inventory subcompartments as primary sample units. Root diseases were located within 23 of 75 sampled subcompartments. At least 1.1 percent of the commercial forest lands within the Forest are infested with root...
Resource Type:: Technical Report
Full Text:: Pest Management • Northern Region Missoula, Montana Report 83-15 September 1983

Creator:: Dewey, Jerald E., Livingston, R. Ladd, Kohler, Steve, and United States. Forest Service. Northern Region. Cooperative Forestry & Pest Management
Abstract:: Douglas-fir tussock moth populations are monitored annually in northern Idaho and western Montana to insure early detection of changes from endemic to outbreak population levels. Adult moth trapping in 1982 was intensified and expanded into additional areas from 1981 because of concern that with each passing year the probability of...
Resource Type:: Technical Report
Full Text:: States Forest Northern Department of Service Region Agriculture P.O. Box 7669 Missoula, Montana

Creator:: James, Robert L. and United States. Forest Service. Northern Region. Cooperative Forestry & Pest Management
Abstract:: Root diseases were evaluated on the Reuben's Reserve, Nez Perce Indian Reservation, Idaho. Nineteen trees adjacent to two suspected root disease centers were pushed with a D-6 tractor to expose their root systems. Extent of root necrosis and decay was determined and related to level of crown thinning, chlorosis, and...
Resource Type:: Technical Report
Full Text:: . United States Forest Northern • Department of Service Region Agriculture P.O. Box 7669 Missoula

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