Efficacy of insecticides as seed treatment against sucking pests of Okra, (Abelmoschus esculuntus)

Different insecticidal seed treatments viz., imidacloprid @ 3 g kg−1, thiomethoxam @3g kg−1, acetamiprid @ 2 g kg−1, carbosulfan @ 30 g kg−1, fipronil @ 2ml lit−1kg−1 for 1 hour, monocrotophos @ 3 ml lit−1kg−1 for 1 hour and untreated check were tested against sucking pests of okra. Among the treatments, imidacloprid @ 3 g kg−1 was most effective. It provided maximum reduction in population of sucking pests, seed germination %, numbers of fruit plant−1, plant height, fruit damage, fruit yield and cost benefit ratio which was significantly equal to thiomethoxam and acetamiprid.