Cadmium and Nickel Adsorption and Uptake in Cattail as Affected by Iron and Manganese Plaque on the Root Surface

Z. H. Ye, K. C. Cheung, Ming Hung WONG*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

18 Citations (Scopus)

Abstract

The effects of iron (Fe) and manganese (Mn) plaque on the adsorption and uptake of cadmium (Cd) and nickel (Ni) in cattail (Typha latifolia L.) were investigated in nutrient solution cultures under laboratory conditions. Seedlings with and without Fe or Mn plaque on the roots (induced with 15 μg mL-1 Fe or Mn) were exposed to 0.2 and 0.8 μg mL-1 Cd, or 0.12 and 0.36 μg mL-1 Ni solutions for 22 days, respectively. The results showed that the amounts of Cd and Ni adsorbed on root surface with and without Fe or Mn plaque increased with increasing additions of Cd and Ni in the solutions. Typha latifolia with Mn plaque adsorbed more Cd and Ni, and with Fe plaque adsorbed more Cd on its roots, especially at higher Cd (0.8 μg mL-1) or Ni (36 pg mL-1) treatment solutions. The presence of Fe plaque can inhibit Cd (but not Ni), while Mn plaque inhibit Ni (but not Cd) uptake and translocation from roots to shoots at higher Cd or Ni solutions. The data here suggest that the formation of Fe or Mn plaque on roots can increase adsorption of certain metals depending on various factors such as type of metals and plaque, and metal concentration in solution.

Original languageEnglish
Pages (from-to)2763-2778
Number of pages16
JournalCommunications in Soil Science and Plant Analysis
Volume34
Issue number19-20
DOIs
Publication statusPublished - 2003

Scopus Subject Areas

  • Agronomy and Crop Science
  • Soil Science

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