Effect of some newer insecticides against okra aphids, Aphis gossypii

The field experiment was carried out to evaluate the effect of newer insecticide molecules against sucking pest complex of okra. Thiamethoxam @ 25 g a.i./ha recorded 1.38 overall average survival of aphid population on plant and was significantly superior over all other treatments. Fipronil @ 50 g a.i./ha was found to be at par with thiamethoxam @ 25 g a.i./ha and recorded 1.68 overall average survival aphids/3leaves/plant. The next best treatment, buprofezin @ 156 g a.i./ha, recorded 2.44 overall average survival aphids/ 3leaves /plant. Spinosad @ 50 g a.i./ha and imidacloprid @ 25 g a.i./ha were at par with buprofezin @ 156 g a.i./ha and recoded 2.74 and 2.81 overall average survival aphids/ 3leaves /plant, respectively. Abamectin @ 100 g a.i./ha was found to be less effective recording 4.10 average survival aphids/ 3leaves /plant.