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The effect of Cd and Zn contents in plants on Fe binding into organic substances of spinach biomass

Author

Listed:
  • D. Pavlíková

    (Czech University of Agriculture in Prague, Czech Republic)

  • M. Pavlík

    (Czech University of Agriculture in Prague, Czech Republic)

  • J. Száková

    (Czech University of Agriculture in Prague, Czech Republic)

  • S. Vašíčková

    (Czech University of Agriculture in Prague, Czech Republic)

  • P. Tlustoš

    (Czech University of Agriculture in Prague, Czech Republic)

  • J. Balík

    (Czech University of Agriculture in Prague, Czech Republic)

Abstract

Partial characterization of iron binding compounds in spinach above ground biomass and differences between binding of Cd, Zn and Fe in spinach biomass were investigated on two soils treated by sewage sludge in model pot experiment. After application of sludge to both soils, Cd and Zn accumulation in spinach biomass was increased in sludge treatments. Total Fe content in biomass showed opposite trend with these treatments and was decreased 2.5-2.7 fold. Results of sequential analysis of spinach biomass showed lower portions of iron in all individual fractions of both sewage sludge treatments compared to control treatments. The largest differences in iron content between control and sludge treatments were determined in ethyl acetate fraction. While majorities of Cd and Zn were found in fractions methanol + H2O and H2O and methanol + H2O + HCl, iron content determined in these two fractions was only 7-8% in control treatments and 15-20% in sludge treatments of total iron. In fraction, Fe portion was 87.7-90.7% in treatments without sludge and 76.1-83.5% in sludge treatments in spinach biomass. Results showed tighter iron binding to plant cell membranes in contrast to cadmium and zinc.

Suggested Citation

  • D. Pavlíková & M. Pavlík & J. Száková & S. Vašíčková & P. Tlustoš & J. Balík, 2002. "The effect of Cd and Zn contents in plants on Fe binding into organic substances of spinach biomass," Plant, Soil and Environment, Czech Academy of Agricultural Sciences, vol. 48(12), pages 531-535.
    • Handle: RePEc:caa:jnlpse:v:48:y:2002:i:12:id:4408-pse
    DOI: 10.17221/4408-PSE
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    Cited by:

    1. V. Zemanová & M. Pavlík & D. Pavlíková & P. Kyjaková, 2015. "Changes in the contents of amino acids and the profile of fatty acids in response to cadmium contamination in spinach," Plant, Soil and Environment, Czech Academy of Agricultural Sciences, vol. 61(6), pages 285-290.

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