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INSECTICIDES FOR CONTROL OF THE COLORADO POTATO BEETLE (COLEOPTERA: CHRYSOMELIDAE)

Published online by Cambridge University Press:  31 May 2012

Robert J. McClanahan
Robert J. McClanahan
Affiliation:
Research Station, Canada Department of Agriculture, Harrow, Ontario
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Abstract

Since 1970 the increasing level of Colorado potato beetle infestation in southwestern Ontario has necessitated foliage sprays or planting treatments with systemic insecticides. Spray tower tests of many insecticides against eggs, larvae, and adults indicated that the best overall materials would be carbofuran, azinphos-methyl, and chlorfenvinphos.

At planting time furrow treatments with granular carbofuran, disulfoton, or phorate demonstrated good control of all potato pests until the end of June. After that time only the carbofuran and phorate treatments gave protection against a heavy second generation of potato beetles. Yields were related to the degree of pest control.

Type
Articles
Information
The Canadian Entomologist , Volume 107 , Issue 6 , June 1975 , pp. 561 - 565
Copyright
Copyright © Entomological Society of Canada 1975

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References

Founk, J. and McClanahan, R. J.. 1970. Laboratory studies on the toxicity of insecticides to larvae of the Colorado potato beetle. J. econ. Ent. 63: 2006–2007.Google Scholar
Hofmaster, R. N. and Dunton, E. M. Jr., 1961. Soil application of insecticides for the control of foliage pests of Irish potatoes. Am. Potato J. 38: 341–345.CrossRefGoogle Scholar