Weed management in irrigated wheat (Triticum aestivum) through tank mix herbicides in Malwa Plateau of Central India

An on-farm trial was conducted during the winter (rabi) seasons of 2010–11 and 2011–12 at five farmers’ field, to validate, refine and popularize the technology developed at Maharana Pratap University of Agriculture and Technology, Udaipur, for managing weeds in wheat [Triticum aestivum (L.) emend. Fiori & Paol.] crop. Effectiveness of isoproturon @ 1.0 kg ai/ha and tank-mix application of metsulfuron-methyl with clodinafop @ 60 g ai/ha and sulfosulfuron @ 25 g ai/ha over farmer's practice (2,4 D @ 0.75 kg ai/ha) was studied on weed growth and profitability of wheat. Tank-mix application of metsulfuron-methyl @ 4 g ai/ha with clodinafop and sulfosulfuron at 35 days after sowing significantly reduced the weed density and resulted in respectively 26.2% and 18.9% higher grain yield, net returns ( 12,997 and 9,436), benefit: cost ratio (0.54 and 0.39) and energy output (27,077 MJ and 20,775 MJ) higher over farmer's practice.