2018•International Journal of Agricultural InventionOpen access
Efficacy of sub lethal doses of Insecticides on mustard aphid, Lipaphis erysimi Kalt
Wajid Hasan, Nida Asif, Shweta Patel, N. K. Singh, Rajendra Prasad Singh
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Abstract
The present study was done to know the efficacy of sub lethal doses Insecticides on mustard aphid, L. erysimi Kalt under laboratory conditions. Results revealed that the highest mortality of L erysimi were observed 100 % (Cypermethrin 10EC and Dimethoate 30 EC) followed by 93.33% (Thiamethoxam 25 WG, Imidacloprid 70 WG ), 86.67% (Acetamiprid 20 SP), 73.33% (Chlorantraniliprole 18.5 SC, Fenpyroximate 5 SC), 60% (Pyriproxyfen 10 EC, Fipronil 5 SC) at 72 Hrs after treatment in 0.001% concentration. At 72 Hrs after treatment in 0.002% concentration the highest mortality were observed 100% (Cypermethrin 10EC, Chlorantraniliprole 18.5 SC and Dimethoate 30 EC) followed by 93.33% (Lambda cyhalothrin 5EC, Imidacloprid 70 WG), 86.67% (Thiamethoxam 25 WG), 60% (Pyriproxyfen 10 EC), 80% (Fenpyroximate 5 SC), 73.33% (Fipronil 5 SC), 66.67% (Pyriproxyfen 10 EC, Acetamiprid 20 SP). Whereas Treated with 0.003% the highest mortality were observed 100% (Dimethoate 30 EC, Chlorantraniliprole 18.5 SC, Lambda cyhalothrin 5EC, Imidacloprid 70 WG Cypermethrin 10 EC) followed by 93.33% (Thiamethoxam 25 WG, Fenpyroximate 5 SC), 80% (Acetamiprid 20 SP, Pyriproxyfen 10 EC) and lowest 66.67% mortality recode in treated with Fipronil 5 SC.