Efficacy of Insecticides Against Aphid Aphis Gossypii and Jassid Amrasca Biguttula Biguttula on Okra
2021
Kaushal, Shruti | Sharma, Pawan K | Sharma, P. C. | Joshi, Manishkumar J
Efficacy of seven insecticides buprofezin (0.04%), chlorantraniliprole (0.005%), fenazaquin (0.025%), imidacloprid (0.004%), spiromesifen (0.02%), thiamethoxam (0.05%) and cypermethrin (0.014%) was evaluated against sucking pests infesting okra at CSK HPKV Palampur during kharif 2018. Imidacloprid (0.004%) was found to be most effective treatment against Aphis gossypii Glover and Amrasca biguttula biguttula Ishida amongst all the insecticides followed by thiamethoxam (0.05%). For the remaining treatments, the decreasing order of efficacy based on the % reduction in aphid incidence was buprofezin, chlorantraniliprole, cypermethrin, fenazaquin and spriromesifen whereas in case of jassids the decreasing order of efficacy was cypermethrin, buprofezin, chlorantraniliprole, spiromesifen and fenazaquin. Imidacloprid treated plots resulted in maximum fruit yield and incremental cost benefit ratio followed by thiamethoxam, buprofezin, chlorantraniliprole, cypermethrin, spiromesifen and fenazaquin.
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