THE EFFICACY OF EGG PARASITOID Trichogramma principium (Sugonjaev and Sorokina) GROWTH PROMOTER AND BIO-PESTESIDE AVANT AS FACTORS IN PERFECT CONTROLS Spodoptera litoralis (Boisduval) (Lep:Noctuidae).

Abstract

Laboratory and field experiments were conducted to study the efficacy of egg parasitoid Trichogramma principium ,Grawth promoter and bio-pesteside Avant as factors perfect controls Spodoptera littoralis .Field results after 1 week after there eluse of egg parasitoid Trichogramma principium showed decreasing egg density as 1 mass,which was in conrol treatment 1.66 mass.Laboratory experiment conducted to evaluation the efficacy of growth promoter Dimilin on the 3rd and 4th stages of life of Spodoptera littoralis by two treatments, the first was by spraying which gave death rate 73% and 66% for the 3rd and 4th stages,Respectively the second treatment was in fed and gave death rate 56.7 and 47.7% for 3rd and 4th stages, respectively.Another exprement was conducted to evaluation the efficacy of Avant pesteside on the larve stages and youngers rise of Spodoptera littoralis by two treatments,the first by direct spraying gave 100% rate death for 1st and 2nd stages after 4 days of treatment and 100% for 3rd and 4th stage after 8 days of treatment.The rate death of the adults rise and reached 4% after 12 days.