Height Loss from White Pine Weevil

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Abstract:

Two approaches were used to obtain data on height loss, necessary for construction and use of site index curves, caused by white pine weevil in eastern white pine. Comparison of normal leader and lateral growth showed that height loss for the year or years prior to weeviling may amount to about 40 percent of the growth of each leader killed back. Relatively more height loss occurs when leader growth is especially good. Comparison of current growth of healthy and weeviled internodes in felled trees indicated a total height loss equal to about 60 percent of the average leader growth for each weeviling. A good prediction equation for height loss in older stands was not found, but minimum height loss appears to be 60 or 70 percent of average growth for each weeviling.

Document Type: Journal Article

Affiliations: Associate Professor of Forestry, Department of Conservation, Cornell University, Ithaca, N. Y.

Publication date: March 1, 1965

More about this publication?
  • The Journal of Forestry is the most widely circulated scholarly forestry journal in the world. In print since 1902, the Journal has received several national awards for excellence. The mission of the Journal of Forestry is to advance the profession of forestry by keeping forest management professionals informed about significant developments and ideas in the many facets of forestry: economics, education and communication, entomology and pathology, fire, forest ecology, geospatial technologies, history, international forestry, measurements, policy, recreation, silviculture, social sciences, soils and hydrology, urban and community forestry, utilization and engineering, and wildlife management. The Journal is published bimonthly: January, March, May, July, September, and November.
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