Evaluation of imidacloprid 17.8 SL against brinjal jassid, Cestius phycitis

Field experiments were conducted in two crop seasons with brinjal (var Muktakeshi) to evaluate the efficacy of chloro-neonicotinoid, imidacloprid as foliar application against jassid (Cestius phycitis). Imidacloprid 17.8 SL @ 50 g a.i. ha⁻¹ was found superior against jassid with lowest number of jassid population (1.53 plant⁻¹), highest percent reduction of jassid (84.72%) and maximum marketable fruit yield (146.51 q/ha⁻¹). The other neonicotinoid, thiamethoxam also provided similar levels of protection as that of imidacloprid. The conventional insecticide, methyl demeton was less effective.