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Evaluation of Furcraea foetida (L.)Haw. for phytoremediation of cadmium contaminated soils

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Abstract

In the present study, we evaluated Furcraea foetida for the phytoremediation of cadmium (Cd)-contaminated soils. We selected F. foetida because it is a drought-resistant plant, produces high biomass, and needs minimum maintenance. It belongs to the leaf fiber group of plants and therefore has economic importance. Since it is a non-edible crop, there is no danger of food chain contamination. Despite possessing these ideal characteristics, surprisingly, to date, the plant is underutilized for phytoremediation purposes. Therefore, to evaluate the phytoremediation potential of the plant, we exposed it to five levels of cadmium (0, 25, 50, 100, and 200 mg Cd kg-1 soil) and studied its influence on growth, dry matter production, uptake, and translocation efficiency. The plant showed good tolerance to Cd 200 mg kg-1 soil without exhibiting any visible toxicity symptoms. The metal mainly accumulated in the roots (233 μg g-1dw), followed by leaf (51 μg g-1 dw). The bioconcentration factor was > 1, but the translocation factor was < 1. The plant was not classified as a hyperaccumulator of Cd; however, because of its high uptake (897 μ g-1 plant) and translocation efficiency (78%), we concluded that the plant could be utilized for phytoextraction of Cd from soils with low to moderately contaminated soils.

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Acknowledgments

The authors thank Dr. A.K. Patra, Director of the Institute, for providing the facilities for conducting the experiment. Thanks are also due to Mr. Konga Upendar, Research Scholar, for providing language services for editing the manuscript.

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Conceptualization, methodology, original draft preparation (Sivakoti Ramana); plant analysis (Awadhesh Kumar Tripathi); leaf area measurement (Ajay Kumar); review and editing (Pradip Dey); resources and supervision (Jayanta Kumar Saha); conceptualization, manuscript editing (Ashok Kumar Patra).

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Correspondence to Sivakoti Ramana.

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Ramana, S., Tripathi, A.K., Kumar, A. et al. Evaluation of Furcraea foetida (L.)Haw. for phytoremediation of cadmium contaminated soils. Environ Sci Pollut Res 28, 14177–14181 (2021). https://doi.org/10.1007/s11356-021-12534-4

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  • DOI: https://doi.org/10.1007/s11356-021-12534-4

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