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CODLING MOTH (LEPIDOPTERA: OLETHREUTIDAE): MONITORING POPULATIONS IN APPLE ORCHARDS WITH SEX PHEROMONE TRAPS1

Published online by Cambridge University Press:  31 May 2012

Jerry M. Vakenti  and
Harold F. Madsen
Jerry M. Vakenti
Affiliation:
Department of Biological Sciences, Simon Fraser University, Burnaby, British Columbia
Harold F. Madsen
Affiliation:
Research Station, Agriculture Canada, Summerland, British Columbia
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Abstract

Codling moth populations in six orchards in the Okanagan and Similkameen valleys of British Columbia were monitored for 2 seasons with traps baited with trans-8, trans-10, dodecadien-1-ol, the sex pheromone of the codling moth, Laspeyresia pomonella (L.). Sprays were applied if traps within the orchard captured two or more moths per trap per week during 2 consecutive weeks. Traps installed in neighboring orchards minimized male moth influx. A 43.1% reduction in the number of required cover sprays for codling moth control was obtained over a 2-year period compared with a standard three spray program. Fruit injured by codling moth in monitored orchards varied, but was less than 1% in all but one orchard.

Type
Articles
Information
The Canadian Entomologist , Volume 108 , Issue 4 , April 1976 , pp. 433 - 438
Copyright
Copyright © Entomological Society of Canada 1976

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