Herbicidal weed management options for clusterbean [Cyamopsis tetragonoloba Taub] in arid region of Rajasthan
DOI:
https://doi.org/10.59797/ija.v70i4.6878Keywords:
Clusterbean, Herbicide efficacy, Imazethapyr, Pendimethalin, YieldAbstract
A field experiments was conducted during kharif season of 2022 and 2023 at Agricultural Research Station, SKRAU, Bikaner to evaluate the efficacy of pre and post emergence herbicides towards weed management in clusterbean. The maximum yield attributes, yield and weed control efficiency was recorded in weed free check. Pre-emergence application of Pendimethalin 30% EC+ Imazethapyr 2% EC-800 g/ha recorded weed control efficiency among herbicidal options. Further, post emergence application of fomesafen 12% + quizalofop-ethyl 3% @ 165 g/ha found in next order of superiority. Among herbicide treatments, maximum plant height (99.8 cm), clusters/ plant (32.3), pods/cluster (11.0), seeds/pod (7.6), test weight (30.43 g), seed yield (16.02 q/ha) and straw yield (26.17 q/ha) was recorded under pre-emergence application of pendimethalin 30% EC+ imazethapyr 2% EC @ 800 g/ha. In monetary term weed free check recorded maximum net returns (Rs 60,627/ha) and benefit-cost ratio (2.55) followed by pendimethalin 30% EC+ imazethapyr 2% EC @ 800 g/ha (58,631/ha and 2.58).
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