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A technique to study phenological interactions between Douglas-fir buds and emerging second instar western spruce budworm. 1983. Shepherd, R.F. Pages 17-20 in Proceedings of CANUSA Workshop, Forest-Defoliator-Host Interactions: A comparison between gypsy moth and spruce budworms, April 5-7, 1983, New Haven, Connecticut. USDA Forest Service, Northeastern Station, Broomhall, PA.

Year: 1983

Available from: Pacific Forestry Centre

Catalog ID: 2292

Language: English

CFS Availability: Order paper copy (free)
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