Bio efficacy of insecticides for the management of red banded thrips (Selonothrips rubrocinctus Giard.) of cashew under Bhubaneswar conditions of Odisha

Abstract

Studies on foliage thrips of Cashew with special reference to Red Banded Thrips (Selonothrips rubrocinctus Giard.) was conducted at the Cashew Research Station (CRS), All India Coordinated Research Project (AICRP) on Cashew, Orissa University of Agriculture and Technology (OUAT), Bhubaneswar during 2016-17 and 2017-18. Efficacy of insecticides on thrips was evaluated by spraying on the formulations directly on the infested leaves. 3 synthetic, 1 microbial, 1 moulting inhibitor and 2 neem formulations were evaluated against the Red Banded Thrips and among these LCyhalothrin was found most effective with 1.53 thrips/leaf at 30 days after spraying followed by Thiamethoxam and Carbosulfan. Above all the regular monitoring and timely application of correct insecticides and correct dose at the initial stage at the initial stage could be the greatest tool for management of this emerging pests of cashew.