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Vol. 10, Special Issue 11 (2021)

Efficacy of new molecules against aphids, a major sucking pest of green gram [Vigna radiata (L.) Wilczek]

Author(s):
Suman Kumar Panigrahi, Bhubanananda Adhikari, Priyanka Priyadarshini, Rakesh Roshan Satapathy, Bidwan Ranjan Sahoo and Rajeeb Kumar Behera
Abstract:
The field experiment was conducted at Agricultural Research Station, Faculty of Agricultural Sciences, (IAS), SOADU, Binjhagiri, Chhatabar, Khordha during Summer, 2021 to evaluate the relative efficacy of certain new molecules of insecticides against aphid (Aphis craccivora Koch) in green gram and the influence of insecticides on crop yield. The effect of various treatments imposed at 20 and 40 days after sowing (DAS) on aphid revealed that all the treatments were superior than the control and among the treatments, diafenthuron 50 WP at 250 g a.i./ha was the best treatment during the period of investigation accounting for more than 75% reduction in aphid population. The other better efficacious treatments were thiamethoxam 25 WG @ 25 g a.i./ha, spiromesifen 240 SC @ 150 g a.i./ha, fipronil 5 SC @ 50 g a.i./ha and imidacloprid 17.8 SL @ 25 g a.i./ha that also accounted for nearly 75 % reduction in aphid population. Clothianidin 50 WDG @ 125 g a.i/ha was proved to be the least effective insecticide against aphid having 64-67% reduction in aphid population. In the experiment, all of the newer insecticides were found to be effective in reducing the number of sucking insect pests of green gram, and all of the newer compounds had an impact on crop yield. From all of the pesticides tested, diafenthuron 50 WP at 250 g a.i/ha was the most effective in impacting yield.
Pages: 787-791  |  305 Views  105 Downloads
How to cite this article:
Suman Kumar Panigrahi, Bhubanananda Adhikari, Priyanka Priyadarshini, Rakesh Roshan Satapathy, Bidwan Ranjan Sahoo and Rajeeb Kumar Behera. Efficacy of new molecules against aphids, a major sucking pest of green gram [Vigna radiata (L.) Wilczek]. The Pharma Innovation Journal. 2021; 10(11S): 787-791.
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