STUDY OF THE EFFECTS OF HEAVY METALS ON SEED GERMINATION AND PLANT GROWTH ON ALFALFA PLANT ( Medicago sativa ) GROWN IN SOLID MEDIA

  • Parsons J
  • 41

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Abstract

Preliminary studies have shown that alfalfa plants (Medicago sativa) can grow in some heavy metalcontaminated soils. Based on that, we studied the individual effects of several doses of Cd(II), Cr(VI), Cu(II), Ni(II), and Zn(II) on the growth of live alfalfa plants using solid media. The doses used in this study were 0, 5, 10, 20, and 40 ppm. The seed germination and plant growth was significantly affected by Cd(II) and Cr(VI) at 10 ppm, as well as by Cu(II) and Ni(II) at 20 ppm and higher concentrations (P

Author-supplied keywords

  • alfalfa
  • heavy metals
  • medicago sativa
  • phytoremediation
  • solid media

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Authors

  • J G Parsons

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