M. KALYANI*, P. MAHESWARA REDDY, C. NAGAMANI, CH. BHARGAVARAMI REDDY AND V. CHANDRIKA

Department of Agronomy, S.V. Agricultural College, ANGRAU, Tirupati – 517 502.

ABSTRACT

A field experiment was conducted to study the effect of ready mix post emergence herbicides on weed growth, yield and economics of groundnut at Tirupati campus of Acharya N.G. Ranga Agricultural University during rabi, 2022-23. Among different weed management practices tried, the wide-spectrum of weed control with higher plant height, leaf area index, pods plant-1, pod yield, haulm yield and kernel yield were noticed in hand weeding twice at 20 and 40 DAS which was comparable withpre emergence application of pendimethalin 1.0 kg ha-1 fb hand weeding at 30 DAS, post emergence application of ready mix herbicides of imazethapyr + imazamox @ 70 g ha-1, propaquizafop + imazethapyr @ 125 g ha-1 and quizalofop-p-ethyl + imazethapyr @ 98.43 g ha-1.

KEYWORDS: Groundnut, Post emergence, Pre emergence, Ready mix.