Identification of wheat (Triticum aestivum L.) genotypes for food safety on two different cadmium contaminated soils.

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ID: 75618
2019
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Abstract
Over the last decade, human population has been facing great challenges in ensuring appropriate supply of food free from cadmium (Cd) contamination. Selection of genetically low-Cd wheat (Triticum aestivum L.) genotypes, with a large biomass and high accumulation of Cd in straw but low-Cd concentration in grains, is an inventive approach of phytoremediation while keeping agricultural production in moderately contaminated soils. In this study, variations in Cd uptake and translocation among the 30 wheat genotypes in two different sites were investigated in field experiments. Significant differences in grain Cd concentration were observed between the two sites, with averaged values of 0.048 and 0.053 mg kg DW, respectively. Based on straw Cd accumulation, grain Cd concentration, and TF, Bainong207 and Aikang58 for site A and Huaimai23 and Yannong21 for site B are promising candidates of low-Cd genotypes, which have considerable potential in achieving phytoremediation while keeping agricultural production on moderately or slightly Cd-polluted soil. The results indicate that it is possible to select the optimal low-Cd genotypes of wheat for different soil types by taking consideration of the effect of soil-wheat genotype interaction on grain Cd concentration.
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lu2019identificationenvironmental Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Lu, Min;Cao, Xuerui;Pan, Jianqing;Li, Tingqiang;Khan, Muhammad Bilal;Gurajala, Hanumanth Kumar;He, Zhenli;Yang, Xiaoe;
Journal Environmental science and pollution research international
Year 2019
DOI
10.1007/s11356-019-07261-w
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Keywords
phytoremediation wheat cadmium food safety contaminated soils genotypic variations

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