Some Aspects of the Cone and Seed Insect Problem
There are many problems in connection with production and collection of good quality seed and one of these problems is insects. "No destructive agency short of climatic injury can so completely nullify a seed crop as insects." (Baldwin, 1942).
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Author(s): A. F. Hedlin
Publication: National Nursery Proceedings - 1960
Event:
Western Forest Nurserymen's Meeting
1960 - Haugan, MT
