Efficacy of herbicides on weed parameters and yield of greengram [Vigna radiate (L.) Wiljeck]
DOI:
https://doi.org/10.59797/ija.v70i1.5540Keywords:
Economics, Greengram, Weed managment, YieldAbstract
Weed management studies were conducted to find out economically viable and cost-effective application of herbicides on productivity of greengram from Kharif season of 2020-21 and 2021-22 on sandy loam soils Rajasthan. The experiment comprised of 10 treatments in 4 replications and was sown with onset of monsoon and allocated in randomized block design. The herbicide Fomesafen11.1% +Fluazifop-p-butyl 11.1% SL @ 220 g ha-1 recorded maximum weed control efficiency and weed dry matter and was at par with Sodium Acifluorfen 16.5% + Clodinafop Propargyl 8% EC @187.5g ha-1 and Propaquizafop 2.5% + Imazethapyr 3.75% w/w @ 135g ha-1 applied at 20 DAS and were significantly superior over weedy check. These treatments also improved the crop growth and yield attributes and yield of crop. Although, hoeing twice at 25 and 40 DAS recorded higher seed yield but low B:C ratio (2.8) as in Fomesafen11.1% +Fluazifop-p-butyl 11.1% SL @ 220 g ha-1 (3.1) and Sodium Acifluorfen 16.5% + Clodinafop Propargyl 8% EC @187.5 g ha-1 (3.1) and Propaquizafop 2.5% + Imazethapyr 3.75% w/w @ 135g ha-1 at 20 DAS (3.0) Hence, application of herbicides in greengram holds a great promise for timely, cost effective and economic weed management.
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