Evaluation of Early-Season Baculovirus Treatment for Suppression of Heliothis virescens and Helicoverpa zea (Lepidoptera: Noctuidae) Over a Wide Area

The purpose of the itor and evaluate tho liothil virescem (F.), Helicoverpa ua (~ b'eatment with an Hr mine if and to what e) tions of this pest com b'eatmenL Here we ( mone trap counts frol ing) generation throug tion F i; we compare species in the b'eate. with the b'eated plot menL Results for Fi cotton and other host ways to improve effe( For H. virelcens ant most valuable measu current economic thre on egg numbers (calcu minals infested; e.g., ~ Mississippi Cooperat However, obtaining at laborious and impracti iog the early part of analysis is complicate< host attractiveness. F high because planting and developmental ph soil and weather cor widely at this time ( reaches the pinhead-~ ment. oviposition by ~ relatively rare (Hayes c man 1989, Hayes 1990) solinaceous species an season cotton, Abutil. (velvetleaf or wild cor ovipositing females. I more attractive and C1 nates much of the vel, creasingly for ovipositi Although we cannot I: to capture numbers on