Technical and Scientific Reports: Cone and Seed Insects of Western White Pine in Northern Idaho: Distribution and Seed Losses in Relation to Stand Density
Abstract:An adequate seed source is necessary to supply seed for the increasing number of forest plantations being established by public and private agencies in the western United States. Thus, as the demand for forest tree seed has increased, the effects of insects on its production and collection has become of vital concern. Previous examinations of cones from western white pine, Pinus monticola Dougl., plantations indicated flint relatively heavier infestations occur in the low-density stands than in high-density stands (1). The results of a study initiated in 1963 to more fully investigate this relationship are reported here.
Document Type: Journal Article
Affiliations: Former Research College of Forestry, Wildlife and Range Sciences, University of Idaho, Moscow
Publication date: 1967-03-01
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