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Creator:: Byler, James W., Hagle, Susan K., United States. Forest Health Protection, and United States. Forest Service. Northern Region. State & Private Forestry
Abstract:: We analyzed the effects of pathogens and insects on forest succession in the absence of fire or management, addressing a number of related questions: 1. What is the rate of change in such forests? 2. How significant are the roles of pathogens and insects in the forest change? 3. How...
Resource Type:: Technical Report
Full Text:: Northern Idaho and Western Montana On the cover: Pathogen and insect succession functions at work

Creator:: Hagle, Susan K., Schwandt, John W., Johnson, Terri L., Kegley, Sandra J., Bell Randall, Carol S., Taylor, Jane E., Lockman, I. Blakey, Sturdevant, Nancy J., Marsden, Michael A., United States. Forest Health Protection, and United States. Forest Service. Northern Region. State & Private Forestry
Resource Type:: Technical Report

Creator:: Hagle, Susan K., Johnson, Terri L., Stipe, Lawrence E., Schwandt, John W., Byler, James W., Kegley, Sandra J., Bell Randall, Carol S., Taylor, Jane E., Lockman, I. Blakey, Sturdevant, Nancy J., Williams, Stephen B., Marsden, Michael A., Lewis, Lowell G., United States. Forest Health Protection, and United States. Forest Service. Northern Region. State & Private Forestry
Resource Type:: Technical Report
Full Text:: Sections M332a and M333d in Northern Idaho and Western Montana On the cover: Pathogen and insect

Creator:: Schwandt, John W., United States. Forest Health Protection, and United States. Forest Service. Northern Region
Resource Type:: Technical Report
Full Text:: Forest Health Protection and Rocky Mountain Research Station (RMRS) staff visited whitebark pine stands

Creator:: Dooling, Oscar J. and United States. Forest Service. Northern Region. State & Private Forestry
Resource Type:: Technical Report
Full Text:: forest lands. This report is a summary of insect and disease conditions in the Region during 1979. A

Creator:: Dewey, Jerald E., Jenkins, Michael J., and United States. Forest Service. Northern Region. State & Private Forestry
Abstract:: Insect damage was extensive to Douglas-fir, ponderosa pine, western white pine, and western larch cones at most seed production areas surveyed in 1979. From 70 to 100 percent of the cones from several collecting periods were injured. Moderate damage (40-70 percent of cones injured) occurred to Douglas-fir, ponderosa pine, western...
Resource Type:: Technical Report
Full Text:: , Supervisory Entomologist, USDA-Forest Service, Forest Insect and Disease Management, Missoula, Montana

Creator:: James, Robert L. and United States. Forest Service. Northern Region. State & Private Forestry
Resource Type:: Technical Report
Full Text:: • 1 Forest • Insect & Disease • Management Needle and twig

Creator:: Flavell, Thomas H. and United States. Forest Service. Northern Region. State & Private Forestry
Resource Type:: Technical Report
Full Text:: 1975). Annual aerial surveys are made by personnel from the Forest Insect and Disease Management staff

Creator:: Dewey, Jerald E., Jenkins, Michael J., and United States. Forest Service. Northern Region. State & Private Forestry
Abstract:: An evaluation was made in 21 seed production areas and 1 seed orchard in Region 1 to identify the primary insect pests and to assess amount of injury caused. Cones from Douglas-fir, grand fir, western larch, lodgepole pine, ponderosa pine, and western white pine were collected periodically and examined. The...
Resource Type:: Technical Report
Full Text:: n SDH 4 PI PRONG TNCER FOREST 'INSECT & DISEASE MANAGEMENT USDA

Creator:: Dewey, Jerald E., United States. Forest Service. Northern Region. Forest Environmental Protection, and United States. Forest Service. Northern Region. State & Private Forestry
Abstract:: Two concentrations of dimethoate were applied with a hydraulic ground sprayer to cone-bearing Douglas-fir and grand fir trees. Single application (mid-June) and a double application (mid-June and mid-July) were compared. Three of the four treatments applied to Douglas-fir resulted in a significantly higher number of sound seeds produced per cone...
Resource Type:: Technical Report
Full Text:: Protection, State and Private Forestry, USDA Forest Service, Missoula, MT. 4/ Entomologist, Forest Insect

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