The Asian Journal of Horticulture

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Effect of Different Weed Management Strategies on Weed Dynamics and Yield of Rabi Onion (Allium cepa L.)


Affiliations
1 Department of Vegetable Science, C.S. Azad University of Agriculture and Technology, Kalyanpur, Kanpur (U.P.), India
     

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A field experiment was conducted to compare various weed management strategies in onion atVegetable Research Farm, C.S.A. University of Agriculture and Technology, Kalyanpur, Kanpur during Rabi season in 2016- 2017. The experiment comprised of six treatments of pre-emergence and post-emergence of herbicides, their combination with hand weeding, mechanical or physical weed control and weedy check. The significant results revealed that pre-emergence application of oxyflurofen 23.5 % EC before planting + one hand weeding at 40-60 days after onion seedling transplanting recorded the higher marketable and total bulb yield (22.50 and 25.34 t ha-1, respectively) with maximum weed control efficiency of 87.02%.The same treatment was also recorded higher cost benefit ratio of 1:2.86. However, this treatment was economically viable for control of weeds in case of labour scarcity with better bulb yield, weed control efficiency, benefit cost and keep the weed density lower level in Rabi season grown onion production under central U.P. conditions.

Keywords

Weed, Growth, Yield, Onion.
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  • Effect of Different Weed Management Strategies on Weed Dynamics and Yield of Rabi Onion (Allium cepa L.)

Abstract Views: 275  |  PDF Views: 0

Authors

Saurabh Dixit
Department of Vegetable Science, C.S. Azad University of Agriculture and Technology, Kalyanpur, Kanpur (U.P.), India
A. K. Dubey
Department of Vegetable Science, C.S. Azad University of Agriculture and Technology, Kalyanpur, Kanpur (U.P.), India
H. V. Dube
Department of Vegetable Science, C.S. Azad University of Agriculture and Technology, Kalyanpur, Kanpur (U.P.), India
V. P. Singh
Department of Vegetable Science, C.S. Azad University of Agriculture and Technology, Kalyanpur, Kanpur (U.P.), India

Abstract


A field experiment was conducted to compare various weed management strategies in onion atVegetable Research Farm, C.S.A. University of Agriculture and Technology, Kalyanpur, Kanpur during Rabi season in 2016- 2017. The experiment comprised of six treatments of pre-emergence and post-emergence of herbicides, their combination with hand weeding, mechanical or physical weed control and weedy check. The significant results revealed that pre-emergence application of oxyflurofen 23.5 % EC before planting + one hand weeding at 40-60 days after onion seedling transplanting recorded the higher marketable and total bulb yield (22.50 and 25.34 t ha-1, respectively) with maximum weed control efficiency of 87.02%.The same treatment was also recorded higher cost benefit ratio of 1:2.86. However, this treatment was economically viable for control of weeds in case of labour scarcity with better bulb yield, weed control efficiency, benefit cost and keep the weed density lower level in Rabi season grown onion production under central U.P. conditions.

Keywords


Weed, Growth, Yield, Onion.

References