Abstract
The field experiment was carried out during the summer season of 2021-2022 to study the response of different weed management practices on growth and yield of black gram. Cyperus sp., Phyllanthus niruri, Trianthema portulacastrum, Amaranthus viridis were the dominant weeds. It was observed that besides weed free treatment the lowest weed count, dry weight of weeds (3.66 g m-2), weed index (2.73%) as well as highest weed control efficiency (60.06%) were found with the pre-emergence (PE) application of pendimethalin1 kg ha-1 followed by one hand weeding at 40 days after sowing (DAS). The maximum growth attributes, yield attributes and yield were found with the pre-emergence application of Pendimethalin 1 kg a.i. ha-1 followed by one hand weeding at 40 DAS which was statistically at par with pre emergence application of Pendimethalin 1 kg a.i. ha-1 followed by post emergence application of imazethapyr 75 g a.i. ha-1 at 40 days after sowing. The economics parameters were recorded highest with the application of Pendimethalin (PE) 1 kg a.i. ha-1 followed by one hand weeding at 40 days after sowing. Hence Pendimethalin is most effective treatment among the other treatments.
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