Acta Scientific Agriculture (ASAG)(ISSN: 2581-365X)

Review Article Volume 4 Issue 3

Relative Efficacy of Herbicides for Weed Control in Rice: A Review

Abhinandan Singh1* and Amit Kumar Singh2

1NRM, CEDA Project, Banda University of Agriculture and Technology, Banda, U.P., India
2Department of Agronomy, Banda University of Agriculture and Technology, Banda, U.P., India

*Corresponding Author: Abhinandan Singh, NRM, CEDA Project, Banda University of Agriculture and Technology, Banda, U.P., India.

Received: January 30, 2020; Published: February 08, 2020

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Abstract

  Rice farming is generally practiced in warm/cool humid subtropics where lack of control over the water by both flooding and drought problems and serious weed infestation thus crop badly suffer. Worldwide, weeds are one of the major biological threats to higher rice productivity and its management in rice is challenging, complex, expensive, and regulated mechanism. Therefore, to control the diverse weed infestation in rice fields, planed weed management strategies have to addressed. Now a day, unavailability of labour due to seasonal migration and lack of farm operations in the peak of the rice growing period adds fossil to the burning complications “the profuse weed infestation” and hence, the precise weed removal/control is utmost required to optimize the yield sustainability and efficient resource use. Among all the weed control methods, chemical weed control is commonly used to overcome weeds infestation which is easy, quick, time saving, cost effective and the most reliable method to control weeds in rice. In view of the limitations of herbicidal resistance of old molecules, it is necessary to promote the potential new molecules of herbicides and their combination (a sustainable option in a long run) for effective weed control. Among the existing herbicides, pre emergence herbicides alone are extensively used for controlling the rice weeds which do not provide extended period of weed control. To control weeds during the critical period of crop weed and escape the development of resistance, a combination of different groups of herbicides having different mode of action to be applied. Integrated approaches for weed management, emphasizing on the combination of management practices and scientific knowledge, may also reduce the economic costs and improve weed control owing to the complexity of the weed community.

Keywords: Chemical Methods; Herbicides; Resistance; Mode of Action

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Citation

Citation: Abhinandan Singh and Amit Kumar Singh. “Relative Efficacy of Herbicides for Weed Control in Rice: A Review". Acta Scientific Agriculture 4.3 (2020): 01-06.



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