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.