2023, Vol. 8, Special Issue 4

The existing investigations on "Bioefficacy of Biopesticides in opposition to Onion Thrips, Thrips tabaci L. On Onion" had been performed at the academic Farm of Barrister Thakur Chhedilal university of Agriculture and studies Station, Bilaspur, a constituent university of Indira Gandhi Vishwavidyalaya, Raipur (Chhattisgarh), in the course of Rabi 2019-20. The results revealed that the best biopesticide was Spinosad 45 SC at 0.016% with the highest yield of onion bulbs at one hundred ninety q/ha, accompanied via Garlic extract at 5% and Beauveria bassiana at 10.00% WP. Metarhizium anisopliae (10.00% WP), Lecanicillium lecanii (10.00% WP), and NSKE (five %), with yields of 170 q/ha, 148 q/ha, 137 q/ha, one hundred thirty q/ha, and 128 q/ha, respectively. The least yield of all remedies of 107 q/ha was recorded at simple water at 500 liters/ha. The best gain-fee ratio was acquired at Spinosad 45 SC at zero.016% of 03:1, accompanied by way of Garlic Extract five%, Beauveria bassiana 10.00% WP, Metarhizium anisopliae 10.00% WP, Lecanicillium lecanii 10.00% WP, and NSKE five% with advantage-price ratios of 2.Eighty:1, 2.37:1, 2.11:1, 1.96:1, and 1.90:1. The bottom advantage-value ratio become obtained at undeniable water spray @500 lit./ha treatment with a 1.49:1