Abstract:Field experiment entitled “Efficacy of insecticides against tea mosquto bug,
Helopeltis antonii Sign. in cashew’’ was conducted during 2018-19 with nine treatments, replicated thrice, in the farm of Horticulture Section, NARP, Shenda Park, Kolhapur, (Maharashtra) with the objectives to study the efficacy of insectcides against tea mosquito bug.
The treatment with λ-cyhalothrin 5 EC @ 1.2 ml/lit was found to be significantly superior over all the treatments where least infestation of tea mosquito bug as recoded (4.18%). The treatment with beta cyfluthrin + imidacloprid 300 OD @ 1 ml/lit, buprofezin 25 EC @ 3 ml/lit, deltamethrin 2.8 EC @ 1.8 ml/lit, acetamiprid 20 SP @ 1 g/lit, acephate 75 SP, flonicamid 50 WG @ 0.3g/lit @ 2 g/lit and emamectin benzoate 5 @ 0.4 g/lit were next in order of efficacy with 5.20, 6.12, 6.47, 6.74, 7.01, 7.44 and 8.49 per cent infestation recorded, respectively.