Review on: Effect of Integrated Weed Management Practice on Bread Wheat (Triticum aestivum L.)

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Year:
2020
Type of Publication:
Article
Keywords:
Bread Wheat, Weed, Integrated, Management
Authors:
Gebeyehu, Birhanu
Journal:
IJRAS
Volume:
7
Number:
5
Pages:
234-242
Month:
September
ISSN:
2348-3997
Abstract:
Weed infestation is one of the major biotic constraints in wheat production. Wheat is infested with diverse type of weed flora, as it is grown under diverse agro climatic conditions, different cropping sequence, and tillage and irrigation regimes. For controlling weeds in wheat, growers mostly rely on herbicides due to cost and time effectiveness. For control of diverse weed flora in wheat combination of herbicides or as sequential, if not compatible are required. However, sole dependence on herbicides is also not desirable as it contributes to shift towards difficult-to-control weeds and the rapid evolution of herbicide resistance, which is a threat for sustainable wheat production. For efficient weed management, the non-chemical weed management tactics should be adopted in conjunction with chemicals (like herbicide mixture and rotation, optimum spray time, dose and methods). Some of the non-chemical agronomic strategies like tillage, sowing time, sowing methods, competitive crop cultivars, higher crop density, closer spacing, irrigation, fertilization and crop rotation can be adjusted and adopted in such a manner that they provide the competitive edge to the crop over weeds. Integration of knowledge of weed biology and non-chemical methods of weed control with chemical methods will help in increasing the life of existing herbicides and make the weed management cost-effective and efficient.

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