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A review of weed management in wheat using crop competition

van der Meulen, Annemieke and Chauhan, Bhagirath Singh (2017) A review of weed management in wheat using crop competition. Crop Protection, 95 . pp. 38-44. ISSN 0261-2194

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Article Link(s): http://dx.doi.org/10.1016/j.cropro.2016.08.004

Abstract

Wheat occupies a principal place in the diet of humans globally, contributing more to our daily calorie and protein intake than any other crop. For this reason, preventing weed induced yield losses in wheat has high significance for world food sustainability. Herbicides and tillage play an important role in weed control, but their use has often unacceptable consequences for humans and the wider environment. Additionally, the range of herbicides effective on key weeds is dwindling due to the evolution of herbicide resistance. Elevating crop competitiveness against weeds, through a combination of wheat breeding and innovative planting design (planting density, row spacing and orientation), has strong potential to reduce weed-induced yield losses in wheat. The last decade of research has provided a solid foundation for the breeding of weed suppressive wheat cultivars, and continued research in this area should be a focus for the future. In the interim, there is cause for optimism that weeds can be effectively suppressed using existing wheat varieties, through careful cultivar selection and choice of planting design. Further research is required to define the nature of relationships between cultivar traits and competitive planting strategies, across diverse weed flora in multiple countries, sites and seasons. Investment in such innovation promises to produce benefits, not only in terms of sustained wheat yields, but also in terms of human and ecosystem health, through ameliorating chemical and sediment contamination, soil degradation, and CO2 pollution.

Item Type:Article
Business groups:Crop and Food Science
Keywords:Weed suppressive cultivars
Subjects:Science > Invasive Species > Plants > Effect of herbicides
Science > Invasive Species > Plants > Integrated weed control
Plant culture > Field crops > Wheat
Plant pests and diseases > Weeds, parasitic plants etc
Deposited On:22 Aug 2016 00:53
Last Modified:03 Aug 2017 05:48

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