Integrated Pest Management of Cotton`s Spiny Bollworm ( Earias insulana ) with Spray of Diazinon and Relaese of Green Lacewings

摘要

Cotton ( Gossypium hirsutum ) was planted, in a Complete Randomized Block Design (CRBD) in an experimental field of Agricultural faculty of Razi University in Kermanshah, Iran, for a two years period. Four treatments applied, 3 different concentrations of an organophosphorous insecticide, Diazinon, plus control (without spraying of any insecticide). One month after spray of insecticide, release of 2nd instar larvae and or eggs of green lacewing Chrysoperla lucasina was done. The number and weight of attacked, blind, or blossomed bolls, was considered as index of efficacity, of certain insecticide concentration, together with release of lacewing.