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Spruce Budworm in Ontario, 1986

Problem Addressed: Spruce Budworm in Ontario

Goal(s)/Objective(s): Report outbreak status and results of spraying operations in 1986 and forescasts for 1987

Key Findings: Spruce budworm infestations declined in Ontario in 1986.

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The Spruce Budworm in Maine in 1965

Problem Addressed: Spruce Budworm in Maine. There was no spruce budworm control in Maine during 1965.

Key Findings: After considering the 1964 data, entomologists of the Maine and U.S. Forest Services had recommended a "wait and watch" policy with regard to the budworm infestation with no treatment recommended for 1965.

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Effects of Spruce Budworm Outbreaks on the Productivity and Stability of Balsam Fir Forests

Goal(s)/Objective(s): Reviews the effects of spruce budworm caused defoliation on forest productivity, including radial and volume growth of both individual trees and stands, top-kill of trees, and rate of mortality in stands.

Key Findings: Spruce budworm outbreaks definitely disrupt the short-term stability of forest ecosystems by causing widespread tree mortality and loss of wood production, which in turn cause major forest management problems.

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The Spruce Budworm in Maine in 1950

Problem Addressed: Spruce Budworm in Maine

Goal(s)/Objective(s): Determine the effect of natural factors of control, the rearing of parasites, and experimental tests in airplane spraying.

Key Findings: An appraisal of the budworm situation in Maine with recommendations for 1951 is given.

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Reduced Application Rates of Orthene Forest Spray Give Less Effective Spruce Budworm Control in Maine – 1978

Problem Addressed: Spruce Budworm

Goal(s)/Objective(s): Compare 4 different concentrations of acephate (tank mixes) applied at different volume rates.

Key Findings: Reducing application rates of Orthene Forest Spray formulations from 64 fl oz per acre to 32 fl oz per acre or less decreased budworm control in Maine

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Spruce Budworm in Ontario, 1987

Problem Addressed: Spruce Budworm in Ontario

Goal(s)/Objective(s): Report outbreak status and results of the spraying operation in 1987 and forecasts for 1988.

Downloads: 1

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Studies of Aerial Spraying Against the Spruce Budworm in New Brunswick XVII. Mortality of Fir and Spruce in Selected Sprayed and Unsprayed Areas

Problem Addressed: Aerials sprayings again Spruce Budworm

Goal(s)/Objective(s): Provide an indication of the extent of tree mortality in the chosen areas.

Key Findings: The results of this study will be reported at a later date

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The Impact of Forest Spraying on Populations of Small Forest Songbirds, Small Mammals and Honey Bees in the Menjou Depot Area of Quebec, 1973

Problem Addressed: Spruce Budworm in Quebec

Key Findings: The application of fenitrothion followed about 10 days later with an application of Matacil caused some mortality amongst those species inhabiting and foraging in exposed habitat.

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The Influence of Pesticides Sprayed for Spruce Budworm Control on Certain Non-Target Terrestrial Invertebrates in the Forest

Problem Addressed: Spruce Budworm

Goal(s)/Objective(s): Examine the effects of operational applications of spruce budworm insecticides on certain non-target forest invertebrates

Key Findings: Caged spiders exposed to the insecticides demonstrated low survival.

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Alkali Solubility as an Indication of Decay in Diseased Wood

Problem Addressed: Spruce Budworm infestation

Goal(s)/Objective(s): Determine if, in fact, the 1% alkaline solubility test could serve as a valuable empirical measurement of decay in wood to be used in pulping and to obtain experimental data to be used in a future study of the effect of decay on pulp yield and strength properties (using 5/8" and 7/8" chips in pulping)

Key Findings: The 5/8" and 7/8" chip samples led to accurate and reproducible results. Since 5/8" and 7/8" chips are typically considered to be part of the accepted chips used in industrial pulping, the 1% NaOH solubility test could serve as a useful and reliable measurement of decay of wood to be used in industry.

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