Effect of different doses of fomesafen + fenoxaprop + chlorimuron-ethyl (ready-mix) against weeds in soybean
2021
Paṭela, Rājendra | Patidar, Jitendra | Jain, K.K.
Field experiment was conducted at Research Farm, Department of Agronomy, Jawaharlal Nehru Krishi Vishwa Vidyalaya, Jabalpur (MP) during (rainy season) Kharif 2018. Ten weed control treatments comprising of five doses of ready-mix formulation (ready-mix) of fomesafen + fenoxaprop + chlorimuron-ethyl (187, 234, 280, 327 and 584 g/ha), imazethapyr (100 g/ha) alone and combined with fluazifop-p-butyl + fomesafen (222 g/ha) as early post-emergence (PoE), hand weeding (HW) twice at 15 and 30 days after seeding (DAS), weed free and weedy check were laid out in randomized complete block design with three replications. The fomesafen + fenoxaprop + chlorimuron-ethyl (ready-mix) 327 g/ha as early post-emergence (early PoE) recorded lower weed density and biomass, with 98.0 and 99.0% weed control efficiency (WCE) of monocot and dicot weeds, respectively. The higher seed yield (1.91 t/ha) was recorded with fomesafen + fenoxaprop + chlorimuron-ethyl 327 g/ha and it was at par with HW twice (2.11 t/ha) and weed free plots (2.15 t/ha). The highest dose of fomesafen + fenoxaprop + chlorimuron-ethyl (584 g/ha) was found effective against monocot and dicot weeds but caused phytotoxicity on crop and reduced seed yield marginally (1.73 t/ha).
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