Canadian Forest Service Publications
Foliar and systemic applications of neem seed extract for control of spruce budworm, Choristoneura fumiferana (Clem.) (Lepidoptera: Tortricidae), infesting black and white spruce seed orchards. 1997. Wanner, K.W.; Helson, B.V.; Kostyk, B.C. The Canadian Entomologist 129: 645-655.
Issued by: Great Lakes Forestry Centre
Catalog ID: 9897
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