Effect of bio-pesticides against Thrips, Megalurothrips usitatus (Bagnall) in Green gram
Ram Kishor Meena, Ravindra Kumar Meena, Archana Anokhe, Uadal Singh, Manohari Lal Meena, Babu Lal Meena, Manoj Meena
Abstract
Ram Kishor Meena, Ravindra Kumar Meena, Archana Anokhe, Uadal Singh, Manohari Lal Meena, Babu Lal Meena, Manoj Meena
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.
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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.
Key concepts: Imidacloprid, Thrips, Thiamethoxam, Quinalphos, Toxicology, Gram, Neem oil, Population