Efficacy of Some New Herbicides in Wet Seeded Rice (Oryza sativa L.)

Pyrazosulfuron-ethyl at 25 g ha⁻¹ applied 10 days after sowing (DAS) was found most effective, recording 85.8% reduction in dry matter of weeds and 54.6% higher grain yield over weedy check. The corresponding increase in grain yield was 45.7, 39.0 and 28,8% with pyrazosulfuron-ethyl at 20 g ha⁻¹ applied 10 DAS, two hand weedings done 20 and 40 DAS, and butachlor+safener at 1.00 kg ha⁻¹ applied 3 DAS, respectively.