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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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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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Experimental Spraying Program Against the Red-Headed Pine Sawfly Neodiprion lecontei in Quebec in 1979

Problem Addressed: Red-headed pine sawfly infestations

Key Findings: It will not be necessary to apply repression programs for the next few years, however it will be necessary to introduce the virus in other infested parts of Quebec

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Fate of Carbaryl in Maine Spruce Fir Forests (A Literature Review)

Problem Addressed: Degration of carbaryl

Key Findings: Considerable data have been collected and reported about carbaryl residues in foliage, litter, sediments, and waters of Maine, they are not definitive.

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Evaluation of the Portion of the 1975 Maine Budworm Recommendation Which Was Not Treated

Problem Addressed: What was the effect the non-treatment has had on the 1.24 million acres omitted from the insecticide program.

Key Findings: The area proposed for treatment in 1975 should have been treated and because it was not the tree condition has worsened considerably

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Evaluation of Chemicals for Spruce Budworm Control in Maine 1978 Season

Problem Addressed: Spruce Budworm insecticides

Key Findings: Matacil provided highly acceptable efficacy for the third year in a row.

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Aerial Spraying Against the Spruce Budworm in Quebec in 1976 and Plans for 1977

Problem Addressed: Development of Spruce Budworm infestation in Quebec

Key Findings: Defoliation produced in the treated area in 1976 has been 40 percent less than what it should be.

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Efficacy of Materials Tested for Control of Spruce Budworm Damage in Maine, 1975.

Problem Addressed: Insecticide testing

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Evaluation of Chemicals for Spruce Budworm Control in Maine — 1977 Season

Key Findings: Matacil at 2.4 oz/acre appeared to be the most effective treatment in the test series, as it was the proceeding year.

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The Effects of Sevin-4-Oil on Aquatic Insect Communities of Streams: A Continuation of 1976 Studies

Key Findings: The 1977 Plecopttera populations on streams treated in 1976 were not similar in generic composition to populations collected on the same stream in 1976 although they were equal in numbers of individuals and taxa.

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Pesticides: Insecticides Documents

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