Abstract
The efficacy of Bacillus thuringiensis Berliner in combination with Geocoris punctipes (Say) for control of Heliothis virescens (F.) on cotton was studied under greenhouse and field cage conditions. Various rates of B. thuringiensis (141, 282,561, and 1,121 g/ha) were evaluated in combination with predator densities ranging from one G. punctipes nymph per plant to one per four plants. Results indicated potential for good control with rates as low as 282 g of B. thuringiensis per ha and one Geocoris nymph per four plants.
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