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Growth Responses and Accumulation Characteristics of Three Ornamentals Under Copper and Lead Contamination in a Hydroponic-Culture Experiment

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Abstract

A hydroponic experiment was carried out to study the accumulation characteristics of copper (Cu) and lead (Pb) combined pollution in three ornamental plants. The results showed that these tested ornamental plants had higher tolerance to Cu–Pb combined pollution and could effectively accumulate the heavy metals. The Cu and Pb concentrations were higher in the roots of the ornamental plants than that in the shoots. For Panax notoginseng (P. notoginseng), Chlorophytum comosum (C. comosum) and Calendula officinalis (C. officinalis), the average Cu and Pb concentration in the three ornamental plants were 1402.1 mg/kg, 829.5 mg/kg, and 1473.4 mg/kg for Cu and 2710.4 mg/kg, 4250.3 mg/kg, and 4303.6 mg/kg for Pb, respectively. The three ornamental plants accumulation and tolerance to Cu–Pb were demonstrated through the hydroponic-culture method in this study. Therefore, the three ornamental plants should have great potential to be used in remediation of soils contaminated by Cu and Pb and beautifying the environment simultaneously.

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Acknowledgements

The authors acknowledge the National Natural Science Foundation of China (Grant No. 41471196) and National Training Programs of Innovation and Entrepreneurship for Undergraduates (Grant No. 201610193013).

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Correspondence to Jinjing Zhang.

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Shao, Z., Lu, W., Nasar, J. et al. Growth Responses and Accumulation Characteristics of Three Ornamentals Under Copper and Lead Contamination in a Hydroponic-Culture Experiment. Bull Environ Contam Toxicol 103, 854–859 (2019). https://doi.org/10.1007/s00128-019-02724-9

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  • DOI: https://doi.org/10.1007/s00128-019-02724-9

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