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Selection of pollution-safe head cabbage: Interaction of multiple heavy metals in soil on bioaccumulation and transfer

文献类型： 外文期刊

作者： Mi, Baobin 1 ; Xiao, Wei 2 ; Tu, Naimei 1 ; Wu, Fangfang 1 ;

作者机构： 1.Hunan Agr Univ, Coll Agron, Sch Chem & Mat Sci, Changsha 410128, Peoples R China

2.Hunan Acad Agr Sci, Res Inst Vegetables, Changsha 410125, Peoples R China

关键词： Crop screening; Multi-heavy metals polluted soil; Head cabbage; Interaction of heavy metals in soil; Health risk

期刊名称：FOOD CHEMISTRY （ 影响因子：8.8； 五年影响因子：8.6 ）

ISSN： 0308-8146

年卷期： 2024 年 452 卷

页码：

收录情况： SCI

摘要： Screening for pollution-safe cultivars (PSCs) is a cost-effective strategy for reducing health risks of crops in heavy metal (HM)-contaminated soils. In this study, 13 head cabbages were grown in multi-HMs contaminated soil, and their accumulation characteristics, interaction of HM types, and health risks assessment using Monte Carlo simulation were examined. Results showed that the edible part of head cabbage is susceptible to HM contamination, with 84.62% of varieties polluted. The average bio-concentration ability of HMs in head cabbage was Cd > > Hg > Cr > As >Pb. Among five HMs, Cd and As contributed more to potential health risks (accounting for 20.8% -48.5%). Significant positive correlations were observed between HM accumulation and co-occurring HMs in soil. Genotypic variations in HM accumulation suggested the potential for reducing health risks through crop screening. G7 is a recommended variety for head cabbage cultivation in areas with multiple HM contamination, while G3 could serve as a suitable alternative for heavily Hg-contaminated soils.

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