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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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The Spruce Budworm in Maine: 1976

Problem Addressed: 1976 Spray project and projected situation for 1977

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Spruce Budworm Damage Evaluations Using Aerial Photography

Problem Addressed: Can aerial photography be used to evaluate budworm damage

Key Findings: Viewing technique, season, film type and scale all were determinant in how well the spruce budworm damage could be assessed

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Spruce Budworm Damage Evaluations From Color Infrared Photography

Problem Addressed: Forest damage caused by the spruce budworm

Key Findings: Spruce budworm damage can be evaluated using color infrared photography.

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Strategic Chemicals for Protection of Coniferous Forests from insect Pests

Problem Addressed: Pests that are destructive to coniferous forests.

Key Findings: Fenitrothion is the no. 1 strategic chemical, followed by phosphamidon and Matacil, for the protection of coniferous forests from defoliating insects, taking into consideration efficacy against the target insects, safety to the other components of the forest ecosystem, economics, availability, adaptability to various formulations and modes of application

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