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Zinc nutrition in wheat-based cropping systems

Rehman, Abdul and Farooq, Muhammad and Öztürk, Levent and Asif, Muhammad and Siddique, Kadambot H. M. (2018) Zinc nutrition in wheat-based cropping systems. Plant and Soil (SI), 422 (1-2). pp. 283-315. ISSN 0032-079X (Print) 1573-5036 (Online)

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Official URL: http://dx.doi.org/10.1007/s11104-017-3507-3

Abstract

Zinc (Zn) deficiency is one of the most important micronutrient disorders affecting human health. Wheat is the staple food for 35% of the world's population and is inherently low in Zn, which increases the incidence of Zn deficiency in humans. Major wheat-based cropping systems viz. rice-wheat, cotton-wheat and maize-wheat are prone to Zn deficiency due to the high Zn demand of these crops. This review highlights the role of Zn in plant biology and its effect on wheat-based cropping systems. Agronomic, breeding and molecular approaches to improve Zn nutrition and biofortification of wheat grain are discussed. Zinc is most often applied to crops through soil and foliar methods. The application of Zn through seed treatments has improved grain yield and grain Zn status in wheat. In cropping systems where legumes are cultivated in rotation with wheat, microorganisms can improve the available Zn pool in soil for the wheat crop. Breeding and molecular approaches have been used to develop wheat genotypes with high grain Zn density. Options for improving grain yield and grain Zn concentration in wheat include screening wheat genotypes for higher root Zn uptake and grain translocation efficiency, the inclusion of these Zn-efficient genotypes in breeding programs, and Zn fertilization through soil, foliar and seed treatments.

Item Type:Article
Additional Information:Wos & Scopus Document Type: Review
Uncontrolled Keywords:Zinc; Wheat; Cropping systems; Biofortification; Fertilization; Rhizobacteria
Subjects:S Agriculture > S Agriculture (General)
Q Science > QK Botany
S Agriculture > SB Plant culture
ID Code:34490
Deposited By:Muhammad Asif
Deposited On:15 May 2018 14:19
Last Modified:15 May 2018 14:19

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