The field experiment was laid down in randomized block design (RBD), three treatments, each treatment replicated thrice and botanical extractives untreated control at Research farm of Fattepur village Kanpur Nagar affiliated to Department Zoology, D.B.S. Collage, biopotency sweet flag, Acorus calamus extract 0.5, 1.0 2.0 per cent were tested against nymphs adults cotton bug, Dysdercus koenigii ...