Phytoremediation for Co-contaminated Soils of Cadmium and Polychlorinated Biphenyls Using the Ornamental Plant Tagetes patula L.
X Miao, RR Kumar, Q Shen, Z Wang, Q Zhao… - Bulletin of …, 2022 - Springer
Bulletin of Environmental Contamination and Toxicology, 2022•Springer
In this study, pot-culture experiments were conducted to investigate the single effect of Cd,
PCBs, and the combined effect of Cd-PCBs with Tagetes patula L. The study highlights that
the minimum concentration of PCBs (100 µg kg− 1) could enable the growth of the plant with
an increase in biomass by 27.76% when compared with the control. In all the experiments
performed, the Cd concentrations over the surface parts were found to be above 100 mg kg−
1. Significant positive correlations were observed between the Cd and PCBs concentrations …
PCBs, and the combined effect of Cd-PCBs with Tagetes patula L. The study highlights that
the minimum concentration of PCBs (100 µg kg− 1) could enable the growth of the plant with
an increase in biomass by 27.76% when compared with the control. In all the experiments
performed, the Cd concentrations over the surface parts were found to be above 100 mg kg−
1. Significant positive correlations were observed between the Cd and PCBs concentrations …
Abstract
In this study, pot-culture experiments were conducted to investigate the single effect of Cd, PCBs, and the combined effect of Cd-PCBs with Tagetes patula L. The study highlights that the minimum concentration of PCBs (100 µg kg−1) could enable the growth of the plant with an increase in biomass by 27.76% when compared with the control. In all the experiments performed, the Cd concentrations over the surface parts were found to be above 100 mg kg−1. Significant positive correlations were observed between the Cd and PCBs concentrations accumulated in tissues of the soil and plants (p < 0.05). T. patula exhibited high tolerance to Cd and PCBs, and the plant promoted the removal rate of PCBs. The removal rates of PCB18 and PCB28 were up to 42.72 and 42.29%, respectively. The study highlights the potential and suitability of T. patula for phytoremediation of Cd and PCBs in contaminated soils.
Springer
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