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The Impact of Insects on Second-Year Cone Crops in Red Pine Seed-Production Areas
Author(s): William J. Mattson
Date: 1968
Source: Research Note NC-53. St. Paul, MN: U.S. Dept. of Agriculture, Forest Service, North Central Forest Experiment Station
Publication Series: Research Note (RN)
Station: North Central Research Station
PDF: Download Publication (347.28 KB)Description
Second-year cone crops in red pine seed-production areas have been severely damaged by five species of insects. Control of the two most destructive pests could increase present seed yields in most areas by at least 50 percent. Some seed-production areas may not produce harvestable seed crops until cone-insect populations are suppressed.Publication Notes
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Citation
Mattson, William J. 1968. The Impact of Insects on Second-Year Cone Crops in Red Pine Seed-Production Areas. Research Note NC-53. St. Paul, MN: U.S. Dept. of Agriculture, Forest Service, North Central Forest Experiment StationKeywords
Insects, red pineRelated Search
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https://www.fs.usda.gov/treesearch/pubs/11107