A guide to common insect pests & diseases in spruce seed orchards in British Columbia
1982
Ruth, D. S. | Miller, G. E. | Sutherland, Jack R.
This guide covers the common insects that reduce cone and seed production in spruce (Picea spp.) seed orchards in British Columbia. Emphasis is on identification of the various development stages of insects and their damage. Sections are included on insect control and on Interior and Coastal spruce cone rusts and their control.
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