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Creator:: Flavell, Thomas H., Tunnock, Scott, Drake, L. E., and United States. Forest Service. Northern Region. State & Private Forestry
Abstract:: Aerial and ground surveys to detect and evaluate forest insect and disease conditions in North Dakota were made during June 1977 by personnel from the U.S. Forest Service, Forest Insect and Disease Management staff and the Rocky Mountain Forest and Range Experiment Station. A forest tent caterpillar outbreak in the...
Resource Type:: Technical Report
Full Text:: throughout the state were heavily defoli- ated by the spring and fall cankerworms. Cottonwood trees along the

Creator:: Bousfield, Wayne E. and United States. Forest Service. Northern Region. State & Private Forestry
Resource Type:: Technical Report
Full Text:: FOREST INSECT AND DISEASE DAMAGE SURVEY SYSTEM By Wayne E. Bousfield, Entomologist INTRODUCTION

Creator:: Dooling, Oscar J. and United States. Forest Service. Northern Region. State & Private Forestry
Abstract:: Dwarf mistletoes exert an impact on forest productivity, but this impact can be reduced through management practices. Even infested stands can yield considerable volumes if proper control methods are used. Projections of future yield increases due to control efforts are made. Cost of treatment in fiscal year 1973 was $51...
Resource Type:: Technical Report
Full Text:: . Unpublished document developed by Forest Pest Control and Forest Disease Research units in the • western

Creator:: Dooling, Oscar J., Kohler, Steve, and United States. Forest Service. Northern Region. State & Private Forestry
Abstract:: Shade tree insect and disease activity within the city limits of Bozeman, Montana, were evaluated. Other than a few minor insects, the park, cemetery, and street trees are in remarkably good condition. Both the Park Department and private homeowners appreciate the value of trees in the urban environment. Recommendations on...
Resource Type:: Technical Report
Full Text:: SURVEY AND EVALUATION OF PARK, CEMETERY, AND STREET TREES, BOZEMAN, MONTANA by Oscar Dooling 11 and

Creator:: Oregon State University. Cooperative Extension Service, MacSwan, Iain C., and Every, R. W.
Abstract:: Published March 1970. A newer revision exists. Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog
Resource Type:: Other
Full Text:: . Bacterial blight may girdle and kill young trees. The disease may kill many buds and nut-bearing twigs in

Creator:: MacSwan, Iain C. and Robinson, Robert
Abstract:: Published March 1975. A newer revision exists. Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog
Resource Type:: Other
Full Text:: , these are effective in controlling the in- sects and diseases listed on the label. To get good pest

Creator:: MacSwan, Iain C., Fisher, Glenn C., Capizzi, Joseph, and Oregon State University. Extension Service
Abstract:: Published August 1946. A newer revision exists. Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog
Resource Type:: Other
Full Text:: , these are effective in controlling the in- sects and diseases listed on the label. To get good pest

Creator:: Dooling, Oscar J. and United States. Forest Service. Northern Region. State & Private Forestry
Abstract:: A survey to determine distribution and intensity of cankers and associated damage in North Dakota windbreak plantings of Russian-olive and Siberian elm was conducted in 1972. Four hundred and thirty-five (76 percent) of 574 Russian-olive examined had cankers, and 552 (72 percent) of 769 Siberian elm examined had cankers. Cankers...
Resource Type:: Technical Report
Full Text:: trees in all windbreaks except one contained the secondary fungi Cytospora sp., Dothichiza sp., and

Creator:: Gibson, Kenneth E., McGregor, Mark D., Bennett, D. D., and United States. Forest Service. Northern Region. State & Private Forestry
Abstract:: The mountain pine beetle infestation on Bureau of Land Management lands in Centennial Valley has increased from about 500 acres in 1977 to more than 7,000 in 1979. Average number of trees per acre killed has more than quadrupled, increasing from 9.8 in 1977 to 47.8 in 1979. Predictions for...
Resource Type:: Technical Report
Full Text:: Aerial detection surveys for insect and disease outbreaks are conducted annually throughout the Northern

Creator:: Gibson, Kenneth E., United States. Forest Service. Northern Region. Forest Insect and Disease Management, and United States. Forest Service. Northern Region. State & Private Forestry
Abstract:: This report contains an overview of the present mountain pine beetle infestation in lodgepole pine stands on Federal, State, and private lands on the Plains Ranger District. Particular emphasis is placed on the potential for beetle mortality in the Thompson River drainage where recent ground surveys show more than 21...
Resource Type:: Technical Report
Full Text:: , W. E. 1977. Forest insect and disease damage survey. USDA Forest Serv., State and Priv. Forestry

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