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MATING DISRUPTION WITH SYNTHETIC SEX ATTRACTANTS CONTROLS DAMAGE BY EUCOSMA SONOMANA (LEPIDOPTERA; TORTRICIDAE, OLETHREUTINAE) IN PINUS PONDEROSA PLANTATIONS: I. MANUALLY APPLIED POLYVINYL CHLORIDE FORMULATION1

Published online by Cambridge University Press:  31 May 2012

Charles Sartwell ,
G. E. Daterman ,
L. L. Sower ,
D. L. Overhulser  and
T. W. Koerber
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Abstract

A chemical mixture highly attractive to males of western pine shoot borer, Eucosma sonomana Kearfott, were dispensed from manually applied polyvinyl chloride releasers on 15 ha of ponderosa pine plantations during spring 1978 near Bly, Oregon. Mating disruption treatments, replicated 4 times, were 3.5 g/ha from 100 releasers/ha spaced at 10 m, and 14 g/ha from 400 releasers/ha spaced at 5 m. Both were equally effective; the number of damaged terminal shoots was reduced 83.0% with the low dosage and 84.2% with the high dosage.

Type
Articles
Information
The Canadian Entomologist , Volume 112 , Issue 2 , 01 February 1980 , pp. 159 - 162
Copyright
Copyright © Entomological Society of Canada 1980

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