2002•Pesticide Research JournalRequires access

Bio-efficacy of Chlorsulfuron on Weeds in Wheat

D.S. Chauhan, Ajit Singh Kharub, Rajender Singh Chhokar, Rakesh Kumar Sharma, S.C. Tripathi

Abstract

An experiment conducted for two Rabi seasons at the Directorate of Wheat Research, karnal, revealed the effectiveness of chlorsulfuron, metsulfuron and 2,4-D against broadleaf weeds, Pre-emergence application of chlorsulfuron (2DAS) showed some suppressive effect on Phalaris minor. The season long weed infestation resulled in the grain yield reduction by more than 8 q-ha−1 compared to weed free check. P minor was found to be more competitive weed than broadleaf weeds. Isoproturon provided partial control of P. minor due to mixed population of resistant and susceptible biotypes.

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Key concepts: Phalaris minor, Agronomy, Weed, Weed control, Infestation, Grain yield, Biology, Population