author(s)
RB Dake and VK Bhamare

abstract
An investigation was undertaken to study the bio-efficacy, persistence and residual toxicity of different newer insecticides against jassid on sunflower at research farm of department of Agril. Entomology College of agriculture Latur. The observations on total number of jassids were recorded on top, middle and bottom leaves of five randomly selected plants from each treatment at one day before and 1, 3, 7 and 14 days after first and second application of insecticides. All insecticide treatments were found significantly superior over untreated control in minimizing the incidence of jassids. On 14^th DAS, the population of jassids was ranged 4.20 to7.60 jassids/leaf and 3.40 to 6.80 jassids/leaf after first and second spray respectively. Imidacloprid 17.8 SL 0.003 per cent was exhibited most effective insecticide in minimizing the jassids population (4.20 and 3.40 jassids/leaf) followed by spinosad 0.007 per cent (5.40 and 4.60 jassids/leaf), indoxacarb 0.05 per cent (5.80 and 5.00 jassids/leaf), chlorantraniliprole 0.005 per cent (6.60 and 5.80 jassids/leaf) emamectin benzoate 0.002 per cent (7.20 and 6.40 jassids/leaf), fenpropathrin 0.01 per cent (7.40 and 6.60 jassids/leaf) and flubendiamide 0.007 per cent (7.60 and 6.80 jassids/leaf) after first and second spray, respectively. Among different insecticides, imidacloprid, spinosad and indoxacarb exhibited highest efficacy against sunflower jassids.