Impact of herbicide combinations on weed control and yield in kharif black gram

Abstract

A field experiment was conducted during kharif season of 2022-2023 at Research Farm of GD Goenka University, Gurgaon, to study “Impact of Herbicide Combinations on Weed Control and Yield in kharif Black Gram (Vigna mungo L.). The experiment was laid out in a randomized block design with three replications and eight treatments. The various parameters of growth, yield and weed control efficiency of different treatments were recorded at 15, 30, 45 and 60 (harvesting stage) days after sowing (DAS). Crop growth parameters like plant height, number of branches/plants, leaf area index, fresh weight and dry weight accumulation increased significantly from 15 to 60 DAS and number of pod/plants, no. of grain/pod, pod length increased significantly from 30 days to harvesting stage. Further yield attribute parameters were significan at harvesting stage at 60 DAS. The maximum effective plant height, branches/ plant, leaf area index, fresh, dry weight, pod length, no. of grains, grain yield, straw yield, test weight, harvest index and economic yield were recorded in T2 - Weed Free treatment. This treatment was found to be the best among all weed management practices treatment combinations with respect to all growth and yield parameters of black gram crop. Therefore, T2 treatment can be recommended for black gram growing farmers of Haryana state. However, further research is needed to fully assess the effects of different weed management strategies on black gram growth and productivity.