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3 Biotech. 2014 Dec;4(6):579-589. doi: 10.1007/s13205-014-0194-0. Epub 2014 Jan 19.

Comparative assessment for hyperaccumulatory and phytoremediation capability of three wild weeds.

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Department of Biotechnology, Lovely Professional University, Chehru, Phagwara, India.
Department of Biology, Faculty of Sciences, University of Tabuk, Tabuk, Saudi Arabia.
Department of Biotechnology, Lovely Professional University, Chehru, Phagwara, India.


The composition and the organization of soil are changing rapidly by the diverged mankind activities, leading to the contamination of environment. Several methods are employed to clean up the environment from these kinds of contaminants, but most of them are costly and ineffective to yield optimum results. Phytoremediation is a natural green technology, which is eco-friendly for the removal of toxic metals from the polluted environment. Phytoremediation is a cost-effective technique through which the cleanup of contaminated soil laced with heavy metals is performed by wild weeds and small herbal plants. The phytoremediation technique provides a promising tool for hyperaccumulation of heavy metals; arsenic, lead, mercury, copper, chromium, and nickel, etc., by the wild weeds and that has been discussed here in detail in case of Cannabissativa, Solanum nigrum and Rorippa globosa. In general, weeds that have the intrinsic capacity to accumulate metals into their shoots and roots, have the ability to form phytochelates and formation of stable compound with ions. This behavior of accumulation along with chelate and stable compound formation is utilized as a tool for phytoremediation activity.


Cannabis sativa; Hyperaccumulation; Intrinsic capacity; Optimum; Phytochelates; Phytoremediation; Rorippa globosa; Solanum nigrum

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