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The authors of this report describe a new laboratory feeding bioassay and its application to the investigation of the effect of a large number of plant extracts and various natural products on feeding by sixth stage spruce budworms.
Life Sciences and Agriculture Experiment Station
Bentley, M.D., D.E. Leonard, S. Leach, E. Reynolds, W. Stoddard, B. Tomkinson, D. Tomkinson, G. Strunz, and M. Yatagai. 1982. Effects of some naturally occurring chemicals and extracts of non-host plants on feeding by spruce budworm larvae (Choristoneura fumiferana). Life Sciences and Agriculture Experiment Station Technical Bulletin 107.