Phytoremediation potential of Helianthus annuus L in sewage-irrigated Indo-Gangetic alluvial soils

International Journal of Phytoremediation
Dinesh ManiShiv Balak

Abstract

The study of phytoremediation potential of Helianthus annuus L was conducted in the sewage-irrigated Indo-Gangetic alluvial soils, India. Calcium @ 1.0% and Zn @ 40 ppm enhanced the yield of H. annuus L and minimized the toxicity of Cr in the investigated soils. The study indicated that H. annuus L is highly sensitive to Cr and Zn in terms of metallic pollution; and may be used as indicator plant. For Cr-phytoremediation, humic acid treatment @ 500 mL/acre induced the Cr-accumulation in roots (p < 0.007) and in shoots (p < 0.015), which was recorded 3.21 and 3.16 mg/kg in root and shoot of H. annuus L, respectively. We suggest that H. annuus L fulfils the necessary condition for efficiently increasing species bioaccumulation after soil treatment with humic acid in Cr-polluted sewage-irrigated soils through soil- plant rhizospheric processes.

References

Nov 26, 2002·The Plant Journal : for Cell and Molecular Biology·Laetitia Perfus-BarbeochCyrille Forestier
Jun 6, 2007·Bulletin of Environmental Contamination and Toxicology·Dinesh ManiChitranjan Kumar
Jun 16, 2010·The Science of the Total Environment·Jun LiXiang-Dong Li

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Citations

Jul 2, 2014·Applied Biochemistry and Biotechnology·Vibha SinhaRakhi Chaturvedi
Dec 3, 2014·Ecotoxicology and Environmental Safety·Dinesh ManiNiraj Kumar Patel
Jul 12, 2014·The Science of the Total Environment·Pinchas FineAmir Hass
Mar 5, 2017·Environmental Science and Pollution Research International·Angela CicatelliStefano Castiglione
Jan 24, 2018·Journal of Analytical Methods in Chemistry·Alan Alexander Gonzalez IbarraKatarzyna Wrobel

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