Effect of bio-pesticides against Thrips, Megalurothrips usitatus (Bagnall) in Green gram Meena Ram Kishor, Meena Ravindra Kumar1, Anokhe Archana2, Singh Uadal, Meena Manohari Lal, Meena Babu Lal, Meena Manoj Kumar College of Agriculture (SKNAUJobner), Lalsot, Dausa-303 511 (Rajasthan) 1Department of Plant Breeding and Genetics, SDAU, Dantiwada-385 506 (Gujarat) 2Directorate of Rapeseed Mustard Research, Bharatpur-321 303 (Rajasthan), India *ramkishorento@gmail.com
Online published on 7 April, 2020. Abstract Study was conducted to evaluate the effect of insecticides namely, Imidacloprid 17.8% SL (0.33 ml/lit.), Acetamaprid 20% SP (0.4 g/lit. of water), Thiamethoxam 25% WG (0.5 g/lit.), Quinalphos % 25 EC (2.0 ml/lit.), Neem oil 2% (20 ml/lit.) and Karanj oil 2% (20 ml/lit.) against the Thrips, Megalurothrips usitatus in Green gram. The most effective insecticide was Imidacloprid > Thiamethoxam > Acetamaprid. The maximum population reduction over control was found after 7 days of 2nd spray at 15 days of interval viz., 80.7, 75.8 and 81.5% due to Imidacloprid during 2015, 2016 and 2017 years of treatment. Top Keywords Imidacloprid, Megalurothrips usitatus, Thiamethoxam, Vigna radiata.. Top |