Transfer of heavy metals (Cd, Pb, Cu and Zn) from roadside soil to ornamental plants in Nanjing, China

机译：中国南京路边土的重金属（CD，PB，Cu和Zn）转移到观赏植物

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Roadside soil, dusts, and three ornamental plants-Begoniaceae Qlegonia semperflorens Link et Otto), Tagetes {Tagetes erecta Linn.), and Salvia {Salvia splendens Ker-Gawle) were collected from urban arteries in Nanjing City, China. Concentrations of metals (Pb, Cd, Cu and Zn) were analyzed using inductively coupled plasma atom emission spectrometry and inductively coupled plasma mass spectrometry. Cd was the most important contaminant in roadside soil and dusts. Generally, Begoniaceae accumulated more metals than Tagetes and Salvia. The order of bioconcentration factor values for three kinds of plants were Cd > Cu > Zn > Pb, suggesting Cd was more easily accumulated by ornamental plants than Zn and Pb from soils to roots. The values of the translocation factor show the significant species specific characteristics on the ability of metals (Cd, Cu, Zn and Pb) translocation from roots to leaves. Begoniaceae was recommended as a bioindicator of heavy metals in the urban environment.

机译：路边土壤，粉尘和三种观赏植物 - 斯塔尼亚QLegonia Semperflorens Link et Otto），Tagetes {Tagetes2Recta Linn。），萨尔维亚{萨尔维亚·斯普利 - 古尔斯）被从中国南京市的城市动脉收集。使用电感耦合等离子体原子发射光谱法和电感耦合等离子体质谱分析金属浓度（Pb，Cd，Cu和Zn）。 CD是路边土壤和粉尘中最重要的污染物。一般来说，Begoniaceae积累了比Tagetes和Salvia更多的金属。三种植物的生物浓度因子值的顺序是CD> Cu> Zn> Pb，表明CD比观赏植物更容易累积，而不是从土壤到根部的Zn和Pb。易位因子的值表明了从根到叶片的金属（CD，Cu，Zn和Pb）易位的能力的重要特点。 Begoniaceae被推荐为城市环境中重金属的生物indicator。

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《International Conference on Energy, Environment and Sustainable Development》|2012年||共4页
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Zhuhong Ding; Xin Hu;
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中图分类 TB3-532;
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heavy metal; roadside soils; ornamental plants; transfer;

机译：重金属;路边土壤;观赏植物;转移;

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Transfer of heavy metals (Cd, Pb, Cu and Zn) from roadside soil to ornamental plants in Nanjing, China

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