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Mapping Vulnerability of Spruce-Fir Stands in the Northeast to Spruce Budworm Attack

Goal(s)/Objective(s): Give plans for large holdings and smaller holdings

Key Findings: Among a number of areas or stands classified as "high hazard" there will be a considerable range in risk involved.

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Operational Test of Zectran (Mexacarbate) Against the Spruce Budworm (Choristoneura Fumiferana Clem.) in Maine, 1973

Goal(s)/Objective(s): Determine the efficacy of reduced application rates and dosage levels in reducing larval populations of the budworm and minimizing the amount of defoliation occurring in a given year.

Key Findings: Populations estimates made prior to treatment indicated high and relatively uniform populations in three of the four spray blocks. Block #36 had 37% fewer larvae, but the population level was high enough to cause complete stripping of current year's foliage and ultimately did so on that portion of the block that did not receive treatment.

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Some Financial Aspects of Removal of Overmature Balsam Fir as a Budworm Control Measure

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Proposed Cooperative Project Between the Private, State and Federal Interests Concerned With Mortality and Growth Loss From Spruce Budworm Infestations

Problem Addressed: Spruce Budworm infestations

Goal(s)/Objective(s): Provide a means of evaluating the amount of damage and mortality in Maine's spruce-fir forests caused by the spruce budworm (Choristoneura fumiferana, Clem.).

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Laboratory Evaluation of the Toxicity of Insecticides to Forest Insect Pests and Non-Target Insects in 1986

Problem Addressed: Use of the insecticide SAN 811-I

Goal(s)/Objective(s): Determine the persistence of a new insect growth regulator, UC 84572 in aquatic systems.

Key Findings: Permethrin appears to be 1-2 orders of magnitude more toxic than methoxychlor by either exposure route.

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Fenitrothion Residues in Honeybees and Their Products Collected From Forested Areas Sprayed with the Insecticide for Budworm Control

Problem Addressed: Fenitrothion effects on honeybees

Goal(s)/Objective(s): Results and observations made in an extensive three-year study program undertaken in 1972 to determine the effect of fenitrothion applied by aircraft at operational levels on honeybees and its residues, if any, in 122 honeybee, pollen, beeswax and honey samples collected from sprayed forest areas in the provinces of Ontario and Quebec.

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Plantation Research: XII. Experimental Applications of Insecticides by Mistblower for Control of Choristoneura fumiferana on White Spruce in Quebec, 1974

Problem Addressed: Spruce Budworm

Key Findings: Applications of commercial preparations of Bacillus thuringiensis at up to 8 BIU per acre did not provide significant levels of foliage protection when timed against peak third-instar larvae.

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The Effects of Sevin-4-Oil on Aquatic Insect Communities of Streams (1976-1978)

Problem Addressed: Sevin-4-oil

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Final Report on The Effects of Forest Spraying on Reproduction in Smallmouth Bass Populations in Washington County

Problem Addressed: Smallmouth bass waters lie within the proposed spray area for operational control of spruce budworm

Key Findings: No direct fish mortality or physiological and behavioral responses were observed because of the doses used, the low toxicity, and the avoidance of direct application in the lake.

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