Efficacy of Synthetic Insecticides Against Thrips, Thrips Tabaci in Onion

A field experiment was conducted to evaluate the efficacy of different synthetic insecticides, including organophosphates, pyrethroids and phenyl parasols, against onion thrips at agricultural farm, Lovely Professional University, Phagwara, Punjab, India, during August 2016 to January 2017. The incidence of thrips, T. tabaci on the plants treated with profenofos 50EC @ 625g a.i, was the most effective insecticide (1.65/3 leaves) with 57.40 per cent reduction in thrips population, compared to the mean of untreated check (3.89/3 leaves).