NARESH KANWAR, O. P. AMETA AND ABHISHEK PAREEK

Among the new insecticides evaluated against H. armigera on tomato, flubendiamide 480 SC @ 125 and 150 ml/ha persisted for the shortest period of 11 days during both the years. Persistence toxicity (PT) values for flubendiamide 480 SC @ 125 and 150 ml/ha were 531.66, 553.04 and 537.77, 565.27 during 2008–09 and 2009–10, respectively; whereas, the corresponding lethal time (LT50) values were 4.78, 5.18 days and 4.93, 5.32 days during both the years, respectively, The highest persistent toxicity and LT50 values of 1003.84, 1000.65 and 8.83, 9.29 were recorded in case of endosulfan 35 EC during 2008–09 and 2009–10, respectively.