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Creator:: Tunnock, Scott, Ciesla, William M., Haglund, Steve, and United States. Forest Service. Northern Region. State & Private Forestry
Abstract:: A supplemental Douglas-fir tussock moth egg mass evaluation was made within three quarter sections north of Poison, Montana, during April 1975. These areas were being considered for a pilot control project of a nucleopolyhedrosis virus spray. Results from the April evaluation showed these areas no longer qualified as sites for...
Resource Type:: Technical Report

Creator:: Haglund, Steve, Dooling, Oscar J., and United States. Forest Service. Northern Region. State & Private Forestry
Abstract:: Dwarf mistletoe is known to reduce both height and diameter growth and thus reduce the yield of an infested stand. This comparison of two similar stands--one healthy and the other infested--gives an indication of the impact of this parasite. The healthy stand has produced 1.5 times the board foot volume...
Resource Type:: Technical Report

Creator:: Dooling, Oscar J., Haglund, Steve, Miller, Bob, and United States. Forest Service. Northern Region. State & Private Forestry
Abstract:: Many nonmerchantable trees on the proposed control areas are moderately to heavily infested with dwarf mistletoe. Control by sanitation-thinning is desirable and is both biologically and economically sound.
Resource Type:: Technical Report

Creator:: Dooling, Oscar J., Haglund, Steve, and United States. Forest Service. Northern Region. State & Private Forestry
Abstract:: Many understory trees on proposed control areas are lightly to moderately infested with dwarf mistletoe. Control by thinning/ sanitation after logging will reduce infestations to a tolerable level and significantly increase volume yields in the future. The cost-benefit ratio of control is favorable.
Resource Type:: Technical Report

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