Laboratory Formulation Comparisons for a Bacterial (Bacillus thuringiensis) and a Viral (Baculovirus heliothis) Insecticide2

Abstract
Addition of sucrose to an algin-UV protectant or polyvinyl alcohol-UV protectant formulation improved the effectiveness of Bacillus thuringienisis Berliner for control of cabbage loopers, Trichoplusia ni (Hübner). The polyvinyl alcohol-UV protectant-sucrose formulation was supenor to all other formulations tested for cabbage looper control with B. thuringiensis. A cottonseed meal bait formulation and large cone nozzles were the best treatment tested for control of bollworms, Heliothis zea (Boddie), when using Baculovirus heliothis.

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