Plantation Research: XII. Experimental Applications of Insecticides by Mistblower for Control of Choristoneura fumiferana on White Spruce in Quebec, 1974
Problem Addressed: Spruce Budworm
Key Findings: Applications of commercial preparations of Bacillus thuringiensis at up to 8 BIU per acre did not provide significant levels of foliage protection when timed against peak third-instar larvae.
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- DeBoo, R.F.
Chemical Control Research Institute - Campbell, L.M.
Chemical Control Research Institute
Experimental applications for control of spruce budworm on white spruce indicated that good protection of foliage can be obtained with aqueous spray mixtures of acephate, carbaryl, methomyl or phoxim. Good protection of foliage also was attained with combination treatments of Dipel WP and chlordimeform and with Thuricide 16B in combination with either acephate, carbaryl or methomyl. Applications of commerical preparations of Bacillus thuringiensis at up to 8 BIU per acre did not provide significant levels of foliage protection when timed against peak third-instar larvae.
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