Journal Paper (peer reviewed)

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The Future of Tree Diseases

Problem Addressed: Decimation of trees
Key Findings: Only hope for our trees lies in de-industrialization
Views: 1073
Downloads: 0
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The Epidemiology of the Current Spruce Budworm Outbreak in Quebec

Problem Addressed: Spruce Budworm in Quebec
Key Findings: 1. Make early detection and intervention possible because of the fact that epicenters are restricted to a small portion of the range, thus presenting the possibility of using pheromone traps in small areas to monitor population changes and eventually of exerting control of the epicenters and curtailing the spread of the outbreak. 2. Limit aerial spraying to the zone of occasional abundance and parts of the zone of normal abundance where the duration of the outbreak and the ensuing damage warrant such expenditures.
Views: 1031
Downloads: 1
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Silviculture and the Spruce Budworm in Maine

Problem Addressed: Spruce Budworm
Key Findings: Fir, the primary host of the budworm, is here to stay and while we may reduce its representation in our stands, it will always be sufficient to provide a food source for the budworm; silvicultural practices may reduce the losses from budworm attack, and can reduce the impact of the budworm on our total production by promoting rapid growth in new stands.
Views: 1292
Downloads: 1
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Debarking Wood Losses and Chip Quality of Deadwood

Problem Addressed: Losses of commercially valuatble softwood timber, particularly of white spruce and balsam fir
Goal(s)/Objective(s): Evaluate losses of softwoods due to spruce budworm as a function of the time since death
Views: 1189
Downloads: 0
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Documentation of Red Spruce Growth Decline

Goal(s)/Objective(s): A study to determine whether red spruce is declining in growth over much of its geographic range and if so, when the decline may have begun
Key Findings: The decline in growth of red spruce previously reported only for isolated locations is occurring throughout a sizable portion of the geographic region.
Views: 1238
Downloads: 1
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Effect of Pesticides on Cholinesterase from Aquatic Species: Crayfish, Trout and Fiddler Crab

Problem Addressed: Use of pesticides and the development of quantitative assays for low concentrations of these pesticides
Key Findings: Nineteen pesticides were tested for inhibition of cholinesterase activity derived from trout brain, crayfish nervous system and whole fiddler crabs. Inhibition by low concentrations of a few of these pesticides permitted a very sensitive and selective assay. Chlorinated pesticides as a class showed little inhibitory effect on trout and crab cholinesterase. Carbamates strongly inhibit all three enzymes.
Views: 1080
Downloads: 0
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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
Views: 1018
Downloads: 1
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Carbamate Bioassay Using Daphnia magna

Problem Addressed: Carbamate insecticides in fruits and vegetable crops.
Goal(s)/Objective(s): To develop a device to determine insecticides in fruit and vegetable crops.
Views: 2305
Downloads: 0
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Applying a Spruce Budworm Decision Support System to Maine: Projecting Spruce-Fir Volume Impacts under Alternative Management and Outbreak Scenarios

Problem Addressed: Spruce Budworm
Goal(s)/Objective(s): Implement the Spruce Budworm Decision Support System
Key Findings: Statewide analysis suggested that over 4 million ha of Maine's forest are vulnerable to the budworm.
Views: 1957
Downloads: 2
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