Evaluation of methylcylohexenone (MCH) in preventing or suppressing spruce beetle attacks in Alaska
Edward H. Holsten, Richard Allen Werner, United States. Forest Service. Alaska Region. Forest Pest Management
U.S. Dept. of Agriculture, Forest Service, Alaska Region, State and Private Forestry, Forest Pest Management, 1984 - Nature - 32 pages
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2nd order interactions 9.2 kg/ha dosage Alaska Reg Alaska Region Anchorage anti-aggregation pheromone attack density attacks and progeny Bark samples beetle populations beetle pressure Chugach National Forest conditions in Alaska controlled release formulation controlled release granular Department of Agriculture disease conditions Douglas-fir beetle antiaggregative elution rate Entomol Eval felled trees Forest insect Forest Service formulation of MCH Furniss gallery length glass vials Granite Creek granular controlled release granular formulation granular MCH formulations Hedden high dosage high liquid treatment Holsten indicating a two-year infestation in felled insect and disease insecticide June 13 kg/ha CRF kg/ha dosage rate liquid and granular liquid MCH treatments MCH reduced mg Liquid MCH mg/day Microclimate nested number of beetle plot and treatment rate of granular reduction in attacks reduction in beetle relative humidity release rate rufipennis attacks significant 2nd order stump Dyer synthetic attractants treated trees treatment 450 mg treatment effects treatment eluted U.S. Department Werner