Abstract
A field experiment was conducted during Kharif 2018 Gandhi Krishi Vigyan Kendra, University of Agricultural Sciences, Bangalore, Karnataka. to evaluate the bio-efficacy of new herbicides with pre-mix formulations in blackgram. Major weeds were Achyranthes aspera, Ageratum conyzoides, Alternanthra sessilis, Borreria articularis, Cynodon dactylon, Dactyloctenium aegyptium, Echinochloa colona, Eleusine indica and Cyperus rotundus. Post-emergence application of fomesafen 18.8% SL + propaquizafop (5.83% EC) 252 + 78 g/ha recoded better crop growth seed yield (1.29 t/ha) along with higher net returns (? 50,106/ha) and benefifcost ratio (3.27) without any phytotoxic effect on crop and was found comparable with two hand weeding at 15 and 30 days after sowing (seed yield 1.348 t/ha)
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