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Pesticides in Forest Waters-Symptom of a Growing Problem

Problem Addressed: Pesticides in waters

Key Findings: We must become aware of the growing possibility of widespread contamination of the forest environment by a broad array of chemicals

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Preliminary Results Maine Spruce Budworm Suppression Project, 1985

Problem Addressed: 1985 Spruce Budworm Suppression Project

Key Findings: The 1985 project was generally a success despite poor spray weather

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Quebec Protects its Forests Against the Spruce Budworm with Four-Engine Aircraft

Problem Addressed: Spruce Budworm spraying

Goal(s)/Objective(s): Describe how Quebec put into application the results of specific research in its battle with the Spruce Budworm on several million acres

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

Problem Addressed: Spruce Budworm

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

Recommendation: A single application of a finished spray of mexacarbate and kerosene, applied at a rate of 0.25 gallon/acre containing 0.15 lbs. AI, when budworm larvae are in the 4th and 5th instars, will effectively reduce budworm populations and minimize defoliation on balsam fir

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Specifications, Terms, and Conditions for Aerial Forest Spraying in Northern Maine 1975

Goal(s)/Objective(s): Conditions for spraying in Northern Maine 1975

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Spruce Budworm Adult Spray Tests New Brunswick 1977

Goal(s)/Objective(s): Determine the effect on the insemination of resident females, of air-to-ground spraying timed to kill males.

Key Findings: Confirmed that the conclusion from the 1976 spray trials that air-to-ground spraying selectively kills old females was confirmed

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Maine Spruce Budworm Policy

Goal(s)/Objective(s): Formulating budworm policy recommendations

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Observations on Potential Uptake of Sevin by Pacific Oysters

Goal(s)/Objective(s): Gather more information on the presence of Sevin in oyster meats at varying times after treatment with different concentrations of the insecticide.

Key Findings: Sevin at a rate of 10 lb./acre or its hydrolytic product were not present in detectable quantities in Pacific oysters collected directly from the sprayed area or adjacent plantings in as short a time as 5 days after application

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Helicopter Application of Insecticides for Suppression of White Pine Weevil Populations–A Pilot Study

Goal(s)/Objective(s): Determine the feasibility of helicopter application of insecticides in the fall for suppression of white pine weevil populations

Key Findings: Only the permethrin treatment resulted in a noticeable decline in amount of terminal damage the following summer

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