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FEEDING STIMULANT ADDED TO BACILLUS THURINGIENSIS BASED INSECTICIDES ENHANCES ACTIVITY AGAINST CHORISTONEURA ROSACEANA (LEPIDOPTERA: TORTRICIDAE)

Published online by Cambridge University Press:  31 May 2012

S.Y. Li  and
S.M. Fitzpatrick
S.Y. Li
Affiliation:
Natural Resources Canada, Canadian Forest Service, Atlantic Forestry Centre, P.O. Box 960, Corner Brook, Newfoundland, Canada A2H 6J3
S.M. Fitzpatrick
Affiliation:
Pacific Agri-Food Research Centre, Agriculture and Agri-Food Canada, 6947 No. 7 Highway, P.O. Box 1000, Agassiz, British Columbia, Canada VOM 1AO
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Extract

Additions of feeding stimulants have been reported to increase the efficacy of Bacillus thuringiensis based insecticides (Bartelt et al. 1990). pheast™ (Miller Chemical and Fertilizer Corp., Hanover, Pennsylvania), which derives its trade name from yeast constituents, is one of the most effective feeding stimulants (Farrar and Ridgway 1994). Li and Fitzpatrick (1997) found that the addition of 5% Pheast to B. thuringiensis based insecticides increased the mortality of Choristoneura rosaceana (Harris) larvae fed leaves of raspberry plants, Rubus idaeus L. (Rosaceae), treated with these insecticides in the laboratory. We report results from a test of the effectiveness of Pheast when exposed to field conditions and fed to larvae in the laboratory.

Type
Articles
Information
The Canadian Entomologist , Volume 131 , Issue 4 , August 1999 , pp. 451 - 453
Copyright
Copyright © Entomological Society of Canada 1999

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