Comparative Bio-efficacy of Herbicides for Weed Management in Garlic

Author: K.B. Sangani, B.S. Gohil, R.M. Muchhadiya, M.R. Kadivar and R.R. Donga

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Abstract

Since, weed are the most important biotic constraints in garlic cultivation, it is necessary to have the strategy for the use of proper herbicide mixtures at right time, in right dose, by right method to attain target yield and economic benefit. In this view, field experiment was conducted on medium black calcareous soil at Junagadh (Gujarat) during Rabi season of 2021-22 to study the comparative bio-efficacy of herbicides for weed management in garlic. The trial comprising 14 treatments was arranged in randomized block design with 3 replications. The outcomes revealed that next to weed-free treatment, tank-mix pendimethalin 0.45 kg/ha + oxyfluorfen 0.12 kg/ha as pre-emergence (PE) fb pre-mix quizalofop + oxyfluorfen 100 g/ha at 30 days after sowing (DAS), oxyfluorfen 0.24 kg/ha (PE) fb pre-mix propaquizafop + oxyfluorfen 43.75 + 105 g/ha at 30 DAS and pendimethalin 0.90 kg/ha (PE) fb pre-mix quizalofop + oxyfluorfen 100 g/ha at 30 DAS enhanced various growth parameters viz., plant height, leaves per plant; yield attributes viz., equatorial diameter of bulb, polar diameter of bulb, bulb weight, number of cloves/bulb and ultimately gave higher bulb and stover yields. These treatments also reduced density as well as dry matter of weeds and had less reduction in yield due to the better control of weeds, less crop weed competition, higher weed control efficiency and herbicide bio-efficacy. Effective control of complex weed flora with profitable yield of garlic can be secured by application of tank-mix pendimethalin 0.45 kg/ha + oxyfluorfen 0.12 kg/ha (PE) fb pre-mix quizalofop + oxyfluorfen 100 g/ha at 30 DAS, pendimethalin 0.90 kg/ha (PE) fb pre-mix quizalofop + oxyfluorfen 100 g/ha at 30 DAS, oxyfluorfen 0.24 kg/ha (PE) fb pre-mix propaquizafop + oxyfluorfen 43.75 + 105 g/ha at 30 DAS, tank-mix pendimethalin 0.45 kg/ha + oxyfluorfen 0.12 kg/ha (PE) fb hand-weeding (HW) at 30 DAS or tank-mix pendimethalin 0.45 kg/ha + oxyfluorfen 0.12 kg/ha (PE) fb pre-mix propaquizafop + oxyfluorfen 43.75 + 105 g/ha at 30 DAS

Keywords

Economics, garlic, growth, herbicide mixtures, weed indices, yield

Conclusion

Based on the results obtained from the present investigation, it could be concluded that effective management of complex weed flora with higher yield and profitability of garlic can be obtained by either application of tank-mix pendimethalin 0.45 kg/ha + oxyfluorfen 0.12 kg/ha as pre-emergence (PE) fb pre-mix quizalofop + oxyfluorfen 100 g/ha at 30 days after sowing (DAS) or pendimethalin 0.90 kg/ha (PE) fb pre-mix quizalofop + oxyfluorfen 100 g/ha at 30 DAS or oxyfluorfen 0.24 kg/ha (PE) fb pre-mix propaquizafop + oxyfluorfen 43.75+105 g/ha at 30 DAS or tank-mix pendimethalin 0.45 kg/ha + oxyfluorfen 0.12 kg/ha (PE) fb hand-weeding at 30 DAS or tank-mix pendimethalin 0.45 kg/ha + oxyfluorfen 0.12 kg/ha (PE) fb pre-mix propaquizafop + oxyfluorfen 43.75+105 g/ha at 30 DAS

References

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How to cite this article

K.B. Sangani, B.S. Gohil, R.M. Muchhadiya, M.R. Kadivar and R.R. Donga (2024). Comparative Bio-efficacy of Herbicides for Weed Management in Garlic. Biological Forum – An International Journal, 16(3): 250-256.