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Impact of Cone and Seed Insects in a Red Pine Seed Orchard

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The impact of cone and seed insects was studied in a southern Wisconsin red pine seed orchard in 1985. Insects destroyed 66.5% of the cones and may have caused the early spring abortion of 8.3% of the cones. Twenty-five percent of the cones survived; however, the average sound seed/cone was less than one. Seed-worms destroyed 30.5% of the developed seed and 67.0% was empty. North. J. Appl. For. 4:204-206, December 1987.

Document Type: Journal Article

Affiliations: Department of Entomology, University of Minnesota, St. Paul, MN 55108

Publication date: December 1, 1987

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  • Each regional journal of applied forestry focuses on research, practice, and techniques targeted to foresters and allied professionals in specific regions of the United States and Canada. The Northern Journal of Applied Forestry covers northeastern, midwestern, and boreal forests in the United States and Canada.
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