STP1112

    Evaluating the Field Efficacy of Bacillus thuringiensis Berliner against the Western Spruce Budworm (Lepidoptera:Tortricidae)

    Published: Jan 1992


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    Abstract

    A detailed assessment of spray deposition and efficacy of Dipel 6AF and Thuricide 48LV was carried out as part of the 1988 western spruce budworm control program. An analysis of covariance model was used in an attempt to examine the relationship between deposit density and field efficacy (larval mortality and defoliation) for the two formulations. The model could not be justified and relationships between the variables were investigated using chi-aquare analysis.

    Keywords:

    Bacillus thuringiensis, efficacy, spray deposition, spruce budworm


    Author Information:

    Riley, CM
    Pesticide Application Specialist, Research and Productivity Council, Fredericton, New Brunswick

    Wiesner, CJ
    Senior Scientist, Research and Productivity Council, Fredericton, New Brunswick

    Scott, DW
    Entomologist, Forest Service, Wallowa-Whitman National Forest, Forest and Range Science Laboratory, La Grande, Oregon

    Weatherby, J
    Forest Entomologist, Forest Service, Forest Pest Management, Boise Field Office, Boise, Idaho

    Downer, RG
    Statistical Consultant, University of New Brunswick, Fredericton, New Brunswick


    Paper ID: STP16887S

    Committee/Subcommittee: E35.22

    DOI: 10.1520/STP16887S


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