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Creator:: James, Robert L., Dumroese, R. Kasten, Wenny, David Lee, and United States. Forest Service. Northern Region
Resource Type:: Technical Report
Full Text:: Douglas-fir and Engelmann spruce germlings. USDA Forest Service, Northern Region, Forest Pest Mgt., Report

Creator:: Gibson, Kenneth E., Oakes, Robert D., and United States. Forest Service. Northern Region
Resource Type:: Technical Report
Full Text:: determined by precipitation and resultant condition of host trees. Fir Engraver (FE) Fir engraver, a pest

Creator:: Gibson, Kenneth E., Oakes, Robert D., and United States. Forest Service. Northern Region
Resource Type:: Technical Report
Full Text:: drought, root disease, other secondary bark beetles, and overall stand decadence have contributed greatly

Creator:: James, Robert L. and United States. Forest Service. Northern Region
Abstract:: Cones of Douglas-fir and ponderosa pine with extensive mold on external portions of scales were sampled for presence of fungi potentially pathogenic to conifer seedlings in nurseries. The major colonizers of cone scales and external seedcoats for both conifer species were Trichoderma spp. Penicillium spp. were also very common. The...
Resource Type:: Technical Report
Full Text:: , Forest Pest Mgt., Nursery Disease Notes No. 6. 6p. James, R. L. 1984. Fungi colonizing Douglas-fir seed

Creator:: Schwandt, John W., Zack, Art, and United States. Forest Service. Northern Region
Resource Type:: Technical Report
Full Text:: of grand fir and western hemlock stands. Therefore, we encourage regeneration har- vests in grand fir

Creator:: Gast, Sandy and United States. Forest Service. Northern Region
Resource Type:: Technical Report
Full Text:: Forest Research Centre, Pest Leaflet #1, 4 pp. Johnson, K. 1980. Fraser fir and balsam woolly aphid

Creator:: Taylor, Jane, 1962-, Marsden, Michael A., and United States. Forest Service. Northern Region
Resource Type:: Technical Report
Full Text:: larch, alpine fir, Douglas-fir, lodgepole pine, grand fir, Engelmann spruce, and ponderosa pine saplings

Creator:: Kegley, Sandy, United States. Forest Service. Northern Region, and United States. Forest Health Protection
Resource Type:: Technical Report
Full Text:: Douglas-fir beetle (Dendroctonus pseudotsugae Hopkins) and spruce beetle (Dendroctonus rufipennis [Kirby

Creator:: Kegley, Sandy, United States. Forest Health Protection, and United States. Forest Service. Northern Region
Abstract:: Whitebark pine, Pinus albicaulis Engelm. is an important but declining high-elevation tree species in western forests. Regeneration of this species has been difficult and the impact of cone and seed insects unknown. Seven sites selected from the geographical range of whitebark pine in Idaho, Montana, Washington, Oregon, and California were...
Resource Type:: Technical Report
Full Text:: having the greatest impact across most sites were fir coneworm (Dioryctria abietivorella (Grote)) and

Creator:: Kegley, Sandy, Schwandt, John W., Gibson, Kenneth E., United States. Forest Health Protection, and United States. Forest Service. Northern Region
Resource Type:: Technical Report
Full Text:: on each plot included tree species, diameter (D.B.H.), and insect and disease damage on every WBP

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