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Pennisetum sinese : A Potential Phytoremediation Plant for Chromium Deletion from Soil

Author

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  • Xiaofei Chen

    (College of Bioscience and Biotechnology, Hunan Agricultural University, Changsha 410128, China)

  • Jianhua Tong

    (College of Bioscience and Biotechnology, Hunan Agricultural University, Changsha 410128, China)

  • Yi Su

    (College of Bioscience and Biotechnology, Hunan Agricultural University, Changsha 410128, China)

  • Langtao Xiao

    (College of Bioscience and Biotechnology, Hunan Agricultural University, Changsha 410128, China)

Abstract

Chromium is one of the major pollutants in water and soil. Thus, it is urgent to develop a new method for chromium removal from the environment. Phytoremediation is a promising approach for heavy metal pollution recovery. As a perennial giant grass with a fast growth rate, Pennisetum sinese has been widely used as livestock feed, mushroom culture medium and biomass energy raw material. Interestingly, we have found a high adsorption capacity of P. sinese for chromium. P. sinese was treated with different concentrations of chromium for 15 days. Results showed that P. sinese plantlets grew well under low concentrations (less than 500 μM) of chromium (VI). The plantlet growth was inhibited when treated with high concentrations of chromium (more than 1000 μM). Up to 150.99 and 979.03 mg·kg −1 DW of chromium accumulated in the aerial part and root, respectively, under a treatment of 2000 μM Cr. The bioaccumulation factor (BCF) of P. sinese varied from 10.87 to 17.56, and reached a maximum value at the concentration of 500 μM. The results indicated that P. sinese showed strong tolerance and high accumulation capability under Cr stress. Therefore, the chromium removal potential of P. sinese has a great application prospect in phytoremediation.

Suggested Citation

  • Xiaofei Chen & Jianhua Tong & Yi Su & Langtao Xiao, 2020. "Pennisetum sinese : A Potential Phytoremediation Plant for Chromium Deletion from Soil," Sustainability, MDPI, vol. 12(9), pages 1-11, May.
    • Handle: RePEc:gam:jsusta:v:12:y:2020:i:9:p:3651-:d:352932
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    1. Ruchita Dixit & Wasiullah & Deepti Malaviya & Kuppusamy Pandiyan & Udai B. Singh & Asha Sahu & Renu Shukla & Bhanu P. Singh & Jai P. Rai & Pawan Kumar Sharma & Harshad Lade & Diby Paul, 2015. "Bioremediation of Heavy Metals from Soil and Aquatic Environment: An Overview of Principles and Criteria of Fundamental Processes," Sustainability, MDPI, vol. 7(2), pages 1-24, February.
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    Cited by:

    1. Yuanting Yang & Qun Wu & Hu Liu & Ke Wang & Meng Zeng & Xiaotao Han & Weishi Peng & Hanlin Zhou & Jiancheng Han, 2023. "Sustainable Use of Pennisetum sinese : Effect on Nutritional Components and Fermentation Quality of Stylosanthes guianensis in Tropics," Sustainability, MDPI, vol. 15(16), pages 1-12, August.

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