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Legume Research
Year : 2024, Volume : 47, Issue : 1
First page : ( 126) Last page : ( 131)
Print ISSN : 0250-5371. Online ISSN : 0976-0571.
Article DOI : 10.18805/LR-4885

Improved Herbicide Efficacy through Sole and Sequential Application of Herbicides for Higher Productivity of Urdbean (Vigna mungo) in Indian Semi-arid Tropics

Dhayal Suman1,*, Yadav S.L.2, Meena V.K.3, Choudhary Manju4, Priyanka1

1Department of Agronomy, Rajasthan College of Agriculture, Maharana Pratap University of Agriculture and Technology, Udaipur-313 001, Rajasthan, India

2Department of Agronomy, College of Agriculture, Agriculture University, Kota-344 001, Rajasthan, India

3Agronomy Section, ICAR-National Dairy Research Institute, Karnal-132 001, Haryana, India

4Department of Agronomy, B.A. College of Agriculture, Anand Agricultural University, Anand-388 110, Gujarat, India

*Corresponding Author: Suman Dhayal, Department of Agronomy, Rajasthan College of Agriculture, Maharana Pratap University of Agriculture and Technology, Udaipur-313 001, Rajasthan, India, Email: sumandhayal680@gmail.com

Online Published on 09 February, 2024.

Abstract

Background

Weeds are major factor that leads to increase crop-weed competition and adversely effects of on growth, quality and yield of urdbean during kharif season. In urdbean the critical period for crop weed competition was the first 25-30 days; yields can be reduced by 50-90%, if weeds were not controlled during this period. As a result, successful weed management strategies to achieve increased growth and yield. Due to the ease, lower cost, timeliness and success controlling weeds, the progressive transformation of agriculture involving intensive use of herbicides has gained traction in recent years.

Methods

During kharif season 2019, a field experiment was undertaken at the Agricultural Research Station of Ummedganj, Kota, comprising ten weed management strategies, laid out in a randomised complete block design with three replications.

Result

Two hand weedings at 20 and 40 DAS recorded significantly lower weeds dry matter, higher weed control efficacy, ultimately culminating in improved yield attributes and yield, compared to weedy check. This treatment was at par with pendimethalin 30% EC @ 1 kg a.i. ha-1 fb propaquizafop 2.5% w w-1 @ 33.3 g a.i. ha-1 + imazethapyr 3.75% w w-1 (pre mix) ME @ 50 g a.i. ha-1 at 20 DAS resulting in significantly higher pods plant-1 (13.67), seeds pod-1 (6.33), test weight (28.47 g), grain (827 kg ha-1), straw (1393 kg ha-1), biological (2221 kg ha-1) and harvest index (37.26%) of urdbean over the other chemical based treatment.

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Keywords

Crop-weed competition, Hand weeding, Urdbean, Weed management.

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