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54
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2
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2022
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203
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207
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Research note
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Effect of herbicides on associated weeds and growth of blackgram
Suman Dhayal, S.L. Yadav, Baldev Ram and Adarsh Sharma
DOI :
http://dx.doi.org/10.5958/0974-8164.2022.00038.7
Email :
sumandhayal680@gmail.com
Address :
Department of Agronomy, Rajasthan College of Agriculture, MPUAT, Udaipur, Rajasthan, 313001, India
Keywords
Blackgram, Fluazifop-p-butyl, Imazethapyr, Pendimethalin, Propaquizafop, Weed management
Abstract
A field study was conducted at Research Station in Kota, Rajasthan during rainy (Kharif) season of 2020 to identify suitable herbicides including pre-emergence (PE) and post-emergence herbicides (PoE) for managing weeds and improve productivity of blackgram [Vigna mungo (L.) Hepper]. Among weed control treatments tested, the lowest weed density, weed index and highest crop growths parameters like plant population, plant height, dry matter accumulation, nodules/plant, dry weight of nodules was recorded with hand weeding twice at 20 and 40 days after sowing (DAS), pre-emergence application (PE) of pendimethalin 1.0 kg/ha followed by (fb) post-emergence application (PoE) of propaquizafop 2.5% w/w 33.3 g/ha + imazethapyr 3.75% w/w (pre-mix) ME 50 g/ha at 20 DAS and pendimethalin 1.0 kg/ha PE fb fomesafen 11.1% w/w 220 g/ha + fluazifop-p-butyl 11.1% w/w 220 g/ha (pre-mix) PoE at 20 DAS.