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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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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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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
Views: 906
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