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Growth of Red Pine Trees After Chemical Suppression of the European Pine Shoot Moth

Published online by Cambridge University Press:  31 May 2012

Robert L. Talerico ,
Herman J. Heikkenen  and
William E. Miller
Robert L. Talerico
Affiliation:
Lake States Forest Experiment Station, St. Paul Campus, University of Minnesota, St. Paul 1, Minnesota
Herman J. Heikkenen
Affiliation:
Lake States Forest Experiment Station, St. Paul Campus, University of Minnesota, St. Paul 1, Minnesota
William E. Miller
Affiliation:
Lake States Forest Experiment Station, St. Paul Campus, University of Minnesota, St. Paul 1, Minnesota
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Abstract

Height growth and number of side branches developing the first growth season after chemical suppression of the European pine shoot moth, Rhyacionia buoliana (Schiff.), were measured on 40 treated and nontreated plots of red pine, Pinus resinosa Ait., in Michigan. Some plots had been treated during the summer-treatment period and some during the spring-treatment period. Summer treatment increased the height growth and number of side branches over no treatment; the degree of chemical suppression was useful in estimating tree growth during the following growing season. In contrast, spring suppression had no effect on height growth and number of side branches.

Type
Articles
Information
The Canadian Entomologist , Volume 95 , Issue 5 , May 1963 , pp. 522 - 524
Copyright
Copyright © Entomological Society of Canada 1963

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References

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