Assessment of potential soybean cadmium excluder cultivars at different concentrations of Cd in soils
查看参考文献34篇
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文摘
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The selection of cadmium-excluding cultivars has been used to minimize the transfer of cadmium into the human food chain. In this experiment, five Chinese soybean plants were grown in three soils with different concentrations of Cd (0.15, 0.75 and 1.12 mg/kg). Variations in uptake, enrichment, and translocation of Cd among these soybean cultivars were studied. The results indicated that the concentration of Cd in seeds that grew at 1.12 mg/kg Cd in soils exceeded the permitted maximum levels in soybeans. Therefore, our results indicated that even some soybean cultivars grown on soils with permitted levels of Cd might accumulate higher concentrations of Cd in seeds that are hazardous to human health. The seeds of these five cultivars were further assessed for interactions between Cd and other mineral nutrient elements such as Ca, Cu, Fe, Mg, Mn and Zn. High Cd concentration in soil was found to inhibit the uptake of Mn. Furthermore, Fe and Zn accumulations were found to be enhanced in the seeds of all of the five soybean cultivars in response to high Cd concentration. Cultivar Tiefeng 31 was found to fit the criteria for a Cd-excluding cultivar under different concentrations of Cd in soils. |
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来源
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Journal of Environmental Sciences
,2015,35:108-114 【核心库】
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DOI
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10.1016/j.jes.2015.01.031
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关键词
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Glycine max L.
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Cd-excluding cultivar
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Food safety
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Mineral nutrient element
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地址
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1.
College of Sciences, Northeastern University, Shenyang, 110004
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Tianjin Engineering Center of Environmental Diagnosis and Contamination Remediation, College of Enυironmental Science and Engineering, Nankai Uniuersity, MOE Key Laboratory of Pollution Processes and Environmental Criteria, Tianjin, 300071
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Techcomp Scientific Instrument Company Limited, Shanghai, 200235
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语种
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英文 |
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文献类型
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研究性论文 |
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ISSN
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1001-0742 |
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基金
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国家自然科学基金
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国家自然科学基金
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the Ministry of Education, People's Republic of China
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文献收藏号
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CSCD:5527685
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