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PINE ROOT COLLAR WEEVIL DAMAGE TO RED PINE PLANTATIONS IN MICHIGAN RELATED TO HOST AGE, TEMPERATURE, AND STAND LOCATION1

Published online by Cambridge University Press:  31 May 2012

Patrick C. Kennedy  and
Louis F. Wilson
Patrick C. Kennedy
Affiliation:
Agricultural Chemicals Division, Ciba-Geigy Chemical Corp., Ardsley, New York
Louis F. Wilson
Affiliation:
North Central Forest Experiment Station, Forest Service, U.S. Department of Agriculture, East Lansing, Michigan
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Abstract

Pine root collar weevil damage is least on red pine plantations in cooler areas of northern Lower Michigan, and is inversely related to distance of the host from the nearest weevil infestation. Three hazard zones are suggested based on temperature. A high hazard zone occurs in the western part, a moderate zone in the central, and a low zone in the eastern part of the Lower Peninsula of Michigan.

Type
Articles
Information
The Canadian Entomologist , Volume 103 , Issue 12 , December 1971 , pp. 1685 - 1690
Copyright
Copyright © Entomological Society of Canada 1971

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References

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