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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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Food Consumption and Utilization by 6th-Instar Larvae of Spruce Budworm, Choristoneura fumiferana: a Comparison on Three Picea (Spruce) Species

Problem Addressed: Effects of tree species, shoot age, and sex of larvae on food consumption and utilization

Key Findings: Importance of of considering sex of the larvae as an important variable in food consumption studies on spruce budworm

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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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Field and Laboratory Procedures for the Study of Spruce Budworm Parasitism at the Maritimes Forest Research Centre

Problem Addressed: Procedure of Study

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

Problem Addressed: Insecticide testing

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