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A field experiment was conducted during summer season 2022 and 2023 to study the weed growth and productivity of greengram under different herbicidal treatments at agricultural research station, faculty of agricultural sciences, Bhubaneswar, Odisha, India to study the effect of different weed control practices on weed growth and productivity of greengram. The experiment conducted under eight treatments viz., pendimethalin 0.75 kg ha-1 at 1 DAS, imazethapyr 75 g ha-1 at 20 DAS, pendimethalin+imazethapyr 0.75 kg ha-1 at 1 DAS, quizalofop ethyl 50 g ha-1 at 20 DAS, fenoxaprop-p-ethyl 50 g ha-1 at 20 DAS, acifluorfen Na 16.5%+clodinafoppropargyl 8% 245 g ha-1 at 20 DAS, two hand weeding at 15 and 30 DAS and weedy check, were replicated thrice in the randomized block design. The findings showed that two hand weeding at 15 and 30 DAS registered significantly lowest weed density and biomass among the weed control practices and it was at par with pre-emergence application of ready-mix pendimethalin+imazethapyr 0.75 kg ha-1. Weed competition resulted in 58.17% reduction in grain yield of greengram. Two hand weeding at 15 and 30 DAS recorded the highest seed and stover yield of greengram along with higher growth attributing characters like plant height, dry matter production and branches plant-1 and it was closely followed by application of ready-mix pendimethalin+imazethapyr at 0.75 kg ha-1 PE.
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Chiranjib Barik
KoushikSar
Ipsita Padhi
International Journal of Plant & Soil Science
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Barik et al. (Fri,) studied this question.
www.synapsesocial.com/papers/68e57d47b6db64358751cc2d — DOI: https://doi.org/10.9734/ijpss/2024/v36i95017
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