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Vol. 12, Special Issue 10 (2023)

Efficacy of different combination insecticides against defoliators and sucking pests of soybean

Author(s):
M Saicharan, Y Swathi, G Praveen Kumar, B Balaji Naik and Sreedhar Chauhan
Abstract:
The present study was conducted in Regional Sugarcane and Rice Research Station, Rudrur of Nizamabad District, Telangana State to evaluate the efficacy of different combination insecticides available in the market against defoliators and sucking pests of JS-335 Soybean variety. There were total eight treatments including untreated control. The randomized complete block design was followed with three replications of each treatment. Insecticides were sprayed 30 and 50 days after sowing when the pest had reached the economic threshold level and data was recorded after five and ten days after treatment for comparison with pre-treatment pest population data. Results revealed that spraying of combination insecticide, Chlorantraniliprole 8.8% + Thiomethoxam 17.5% SC @ 500ml ha-1 twice at 30 days and 50 days after sowing had reduced population of both defoliators (Spodoptera litura & Chrysodeixis acuta) and sucking pests like aphids and whiteflies in soybean crop to the tune of 84.25 percent and 76.56 percent over control, respectively. Plots treated with said insecticide has recorded maximum yield of 1617 kg ha-1 with benefit cost ratio of 1.79. The treatment was followed by Emamectin benzoate 3% + Thiomethoxam 12% WG @ 312.5 g ha-1 with yield and benefit cost ratio of 1424 and 1.72, respectively.
Pages: 1379-1384  |  79 Views  42 Downloads
How to cite this article:
M Saicharan, Y Swathi, G Praveen Kumar, B Balaji Naik and Sreedhar Chauhan. Efficacy of different combination insecticides against defoliators and sucking pests of soybean. The Pharma Innovation Journal. 2023; 12(10S): 1379-1384.
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