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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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Nomenclature of Nearctic Conifer-Eating Choristoneura Historical Review and Present Status

Problem Addressed: Nomenclature of spruce budworm

Key Findings: Entomologists should realize that there is every reason to expect that a given population of either the Funiferana complex or Lambertiana complex will differ in some respects from typical populations representing available species names.

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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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Kraft Pulping of Spruce Budworm-Killed Red Spruce

Problem Addressed: Uses of tees that had been killed by spruce budworm

Goal(s)/Objective(s): Determine pulping and strength characteristics of budworm-killed trees compared to unaffected trees.

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Maine Department of Conservation Spruce Budworm Policy 1978-1981 Transition Strategy Paper

Problem Addressed: Spruce Budworm outbreak in the 1970's.

Recommendation: Policy changes for 1981 and after

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Investigation of Chemical Control of Ghost Shrimp on Oyster Grounds 1960-1963

Problem Addressed: Ghost shrimp on oyster grounds

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Ghost Shrimp Control Experiments with Sevin 1960 through 1968

Problem Addressed: Burrowing of ghost shrimp

Goal(s)/Objective(s): Determine chemical to take care of ghost shrimp issues in oyster grounds

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How Damage to Balsam Fir Develops After a Spruce Budworm Epidemic

Problem Addressed: Spruce Budworm damage

Key Findings: More than half the surviving fir in the study area had dead tops as a result of repeated defoliation, and further substantial losses in volume from top rot are to be expected in the future

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Impact on Forest Birds of the 1975 Spruce Budworm Spray Operation in New Brunswick

Problem Addressed: Spray operations against Spruce Budworm are hurting songbirds

Goal(s)/Objective(s): Assessing impact on breeding birds of forest spray operations using two methods.

Key Findings: Major portion of the kill of songbirds was due to exposure to phosphamidon

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Insecticide Tests Against Spruce Budworm in Maine – 1976

Problem Addressed: Spruce Budworm insecticide spray tests

Key Findings: The results in the Thuricide-Orthene series of treatments appear indistinguishable from results on untreated plots

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Forest Pests Documents

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