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Agronomy 2018, 8(11), 249; https://doi.org/10.3390/agronomy8110249

Breeding Low-Cadmium Wheat: Progress and Perspectives

1
Key Laboratory of Agricultural Water Resources, Centre for Agricultural Resources Research, Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, No. 286 Huaizhong Rd, Shijiazhuang 050021, China
2
CMLR, Sustainable Minerals Institute, The University of Queensland, Brisbane, Queensland 4072, Australia
*
Author to whom correspondence should be addressed.
Received: 26 September 2018 / Revised: 12 October 2018 / Accepted: 31 October 2018 / Published: 3 November 2018
(This article belongs to the Section Crop Breeding and Genetics)
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Abstract

Farmland cadmium (Cd) contamination has adverse impacts on both wheat grain yield and people’s well-being through food consumption. Safe farming using low-Cd cultivars has been proposed as a promising approach to address the farmland Cd pollution problem. To date, several dozen low-Cd wheat cultivars have been screened worldwide based on a Cd inhibition test, representing candidates for wheat Cd minimization. Unfortunately, the breeding of low-Cd wheat cultivars with desired traits or enhanced Cd exclusion has not been extensively explored. Moreover, the wheat Cd inhibition test for variety screening and conventional breeding is expensive and time-consuming. As an alternative, low-Cd wheat cultivars that were developed with molecular genetics and breeding approaches can be promising, typically by the association of marker-assisted selection (MAS) with conventional breeding practices. In this review, we provide a synthetics view of the background and knowledge basis for the breeding of low-Cd wheat cultivars. View Full-Text
Keywords: cadmium; farmland; wheat; cadmium resistance; breeding methods cadmium; farmland; wheat; cadmium resistance; breeding methods
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Zaid, I.U.; Zheng, X.; Li, X. Breeding Low-Cadmium Wheat: Progress and Perspectives. Agronomy 2018, 8, 249.

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