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Creator:: Sonderman, David L. and United States. Forest Service
Resource Type:: Technical Report
Full Text:: , Wisconsin, and Massachusetts. The total volume of balsam fir sawtimber-size trees in the United States is

Creator:: Betts, Harold S. (Harold Scofield), United States. Forest Service, and Forest Products Laboratory (U.S.)
Resource Type:: Technical Report
Full Text:: of our most important sources of timber. Douglas-fir grows in the western part of the United States

Creator:: Bormann, Bernard T. and United States. Forest Service
Resource Type:: Technical Report
Full Text:: -' United States Department of Agriculture ( FS-235 Douglas-fir is one of the fastest growing

Creator:: Vaux, Henry J. (Henry James)
Resource Type:: Technical Report
Full Text:: -Fir Region HENRY J. VAUX Visiting Professor Oregon(State University Presented in 1969 chool of

Creator:: McGregor, Mark D., Oakes, Robert D., Meyer, Hubert E., and United States. Forest Service. Northern Region
Abstract:: A granular controlled release formulation of 2 percent MCH was applied at 4.48 kg/ha to 76.9 ha of uninfested, windthrown Douglas-fir by helicopter with a modified aerial spreader of 1.12 m capacity in May 1982. Douglas-fir beetle population reduction was 96.4 percent by late June. With one exception, treated plots...
Resource Type:: Technical Report
Full Text:: western balsam bark beetle from trees killed by Douglas-fir beetle. The work plan called for ground

Creator:: Gast, Sandy, Gibson, Kenneth E., and United States. Forest Service. Northern Region
Abstract:: In conjunction with a proposed suppression project against the Douglas-fir tussock moth in northern Idaho, more than 1,000 larvae were collected from sample plots throughout the 32,000-acre treatment area. We had hoped to determine naturally occurring mortality factors which may have contributed to lower than anticipated population levels. Reared on...
Resource Type:: Technical Report
Full Text:: February 1987 MORTALITY FACTORS ASSOCIATED WITH LABORATORY REARED DOUGLAS-FIR TUSSOCK MOTH LARVAE: A CASE

Creator:: Dewey, Jerald E., Livingston, R. Ladd, Kohler, Steve, and United States. Forest Service. Northern Region
Resource Type:: Technical Report
Full Text:: 85-10 April 1985 DOUGLAS-FIR TUSSOCK MOTH POPULATION SURVEYS NORTHERN IDAHO AND WESTERN MONTANA

Creator:: James, Robert L., United States. Forest Service. Northern Region, and United States. Forest Pest Management
Abstract:: Investigations were conducted to understand the epidemiology of Fusarium on containerized Douglas-fir seedlings. Types and importance of Fusarium inoculum sources, relationships between seedling infection and symptom production, amounts and types of diseases that occurred throughout typical growth cycles, and the importance of secondary pathogen spread were investigated. Levels of Fusarium...
Resource Type:: Technical Report
Full Text:: • Report 87-13 3450 December 1987 EPIDEMIOLOGY OF FUSARIUM ON CONTAINERIZED DOUGLAS-FIR SEEDLINGS

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