Evaluation of oxyfluorfen and quizalofop-ethyl weedicides for weed control in onion (Allium cepa)

An on-farm trial to evaluate Oxyflurofen and Quizalofop ethyl weedicides for weeds control on Onion (Allium cepa L.) was undertaken during Rabi 2015–16, 2016–17 and 2017–18 at farmer fields in south west district of Najafgarh, New Delhi. The study the herbicidal treatment combination were taken of Oxyfluorfen @ 150 ml/ha + Quizalofopethyl @ 750 ml/ha foliar spray 35 days after transplanting recorded lower weed density (39.66/m²), dry matter weight of weeds (42.22 g/m²) and higher weed control efficiency (77.61%), followed by treatment₁ farmers’ practice (Pendimethalin + one hand- weeding) 48.21%. The application of Oxyfluorfen @ 150ml/ha + Quizalofopethyl @ 750 ml/ha foliar spray 35 days DAT proved to be most effective weed control treatment, recording highest bulb yield (277.44 q/ha), net return ( 171, 952/ha) and B:C ratio (3.77), followed by farmers’ practice (252.22 q/ha), net return ( 129276/ha) and B:C ratio (3.01). The increased returns as a result of increased quality bulb yield of onion with pre-post herbicides applications showed significant effect with more appreciation.