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Evaluation of carfentrazone in combination with different grassy herbicides for the control of complex weed flora in wheat
(CCSHAU, 2006) Ish Madhu; Garg, Rajbir
A field experiment was conducted during rabi 2005-06 at the Agronomy Research Farm of Chaudhary Charan Singh Haryana Agricultural University, Hisar to evaluate the efficacy of carfentrazone as tank mixture or sequential application with new grassy herbicides viz., clodinafop, fenoxaprop and sulfosulfuron for controlling the complex weed flora in wheat. All the weed control treatments effectively controlled the weeds and gave significantly higher yield than the weedy check. Post-emergence application of fenoxaprop at 120g ha-1 and clodinafop at 60 g ha-1 alone provided excellent control of P.minor Retz. and A. Ludoviciana Dur., carfentrazone at 20 g ha-1 proved very effective against all broadleaf weeds. Sulfosulfuron at 25 g ha-1 gave only excellent control of grassy weeds and partial control (50%) of broad leaf weeds. Application of grassy herbicides and carfentrazone as tank mixture or their application in sequence or after the one week interval effectively controlled the complex weed flora and produced grain yield of wheat equal to weed free treatment. No antagonism between grassy herbicides and carfentrazone was observed.