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The Uptake of Sevin by Pacific Oysters and Bottom Muds

Problem Addressed: The insecticide Sevin's effects
Key Findings: While Sevin residue in bottom mud was present at a higher level than in oysters following direct application, it declined rapidly to a barely detectable level in 8 days and disappeared by the 16th day.
Views: 1032
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The Spruce Budworm in Maine in 1957

Problem Addressed: Spruce Budworm in Maine in 1957
Goal(s)/Objective(s): Overview of spruce budworm condition in Maine in 1957
Key Findings: Population and natural control surveys should be continued in 1958 on the same scale in the general fir-spruce areas outside of the control area
Recommendation: A control project of aerial spraying for 1958 over approximately 300,000 acres in northeastern Aroostook County.
Views: 1075
Downloads: 2
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Zectran Pilot Test to Control Spruce Budworm in Belmont and Chamberlain Creeks, Blackfood River Drainage, Montana

Problem Addressed: Spruce Budworm
Goal(s)/Objective(s): Determine the aerial transport of smoke within the spray areas, and optimum spray time.
Key Findings: Budworm population was reduced 47.8 ± 5.5 in Chamberlain Creek and 70.0 ± 4.2 in Belmont Creek.
Views: 851
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Balsam Fir (Abies Balsamea (L.) Mill.) Phenology in Maine

Goal(s)/Objective(s): Facilitate the critical timing of spruce budworm sampling, the initiation of spray programs, and should enable an observer to predict the occurrence of phenological events throughout the state.
Key Findings: The area of latest phenology occupies the general region of the state north of Greenville and west of Ashland.
Views: 1001
Downloads: 1
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An Additional Note on Sampling Overwintering Spruce Budworm Larvae

Problem Addressed: Spruce Budworm
Goal(s)/Objective(s): Discuss conflicting results and reevaluate the washing technique.
Key Findings: The washing technique does extract most of the larvae from the foliage and counts on mid-crown branches give an accurate estimate of budworm abundance.
Views: 1077
Downloads: 2
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A Sampling Technique for Overwintering Spruce Budworm and its Applicability to Population Surveys

Goal(s)/Objective(s): Discussion of a more efficient system for monitoring populations of spruce budworm and predictive tool and its application.
Key Findings: Washing overwintering spruce budworm larvae from foliage is an efficient method of obtaining a population fix.
Views: 996
Downloads: 2
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