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The Spruce Budworm in Maine in 1961

Problem Addressed: Spruce Budworm in Maine in 1961

Goal(s)/Objective(s): Report on the spruce budworm condition in Maine in 1961 and the control project during that same year.

Downloads: 4

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Wood Properties and Chip Quality of Spruce Budworm Killed Balsam Fir

Downloads: 0

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Threshold Concentration of Aminocarb That Causes Drift of Stream Insects

Goal(s)/Objective(s): Determine the margin of safety for stream invertebrates for Matacil 180 Oil Flowable, a candidate insecticide for the spruce budworm.

Key Findings: For aminocarb in this formulation, the threshold concentration that induces drift is about 30 µg/L.

Downloads: 1

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Spruce Budworm Protection Management in Maine

Problem Addressed: Spruce Budworm in Maine

Key Findings: Current management choices appear to lie between years of repetitive chemical spraying, or, if spraying is stopped, extensive tree mortality followed by collapse of the outbreak.

Downloads: 5

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Of Mites and Men

Problem Addressed: The right way to kill insects

Downloads: 2

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The Spruce Budworm in Maine in 1969

Goal(s)/Objective(s): Report on the spruce budworm condition in Maine in 1969

Key Findings: High egg mass counts indicate further damage will occur in 1970 in areas already badly damaged. The infestation is expected to grow in size.

Downloads: 2

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The Spruce Budworm in Newfoundland in 1979 and Forecast for 1980

Goal(s)/Objective(s): Present data from surveys and studies of the spruce budworm development, larval population and egg-mass densities, parasitism, occurrence of disease, defoliation, tree condition and tree mortality in budworm infested stands throughout the Province

Key Findings: Results of the spray operation will be presented by representatives of the Provincial Department of Forest Resources and Lands and the Department of Consumer Affairs and Environment

Downloads: 3

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The Spruce Budworm in Newfoundland in 1987

Goal(s)/Objective(s): Report on the spruce budworm condition in Newfoundland in 1987.

Key Findings: The forecast will be provided after the completion of processing samples

Downloads: 2

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Bark Beetle Dispersal Related to Patterns of Tree Mortality and Wind

Problem Addressed: Attack of living pine trees by southern pine beetles

Key Findings: The direct relationship among spot incidence and mean distance from nearest spots within period 1 indicates that the more abundant spots were in an octant, the further apart they were on the average.

Downloads: 0

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The Spruce Budworm in Newfoundland in 1986

Problem Addressed: Spruce Budworm in Newfoundland

Key Findings: Sampling was conducted in conjunction with the hemlock looper egg survey in late October. The forecast will be provided after the completion of processing of samples.

Downloads: 2

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