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Planta

, Volume 104, Issue 3, pp 210–219 | Cite as

The effect of paraquat on flax cotyledon leaves: Physiological and biochemical changes

  • N. Harris
  • A. D. Dodge
Article

Summary

Some of the physiological and biochemical changes which were found to occur during paraquat (1,1′-dimethyl-4,4′-bipyridylium ion) treatment of cotyledon leaves of Linium usitatissimum, are reported. Results showed an inhibition of photosynthetic CO2 uptake and electron flow of isolated chloroplasts. An increase in membrane permeability, changes in the level of the major lipid components and of malondialdehyde. These are correlated with ultrastructural changes and the discussion includes a proposed mode of action for the herbicides.

Keywords

Lipid Permeability Malondialdehyde Membrane Permeability Paraquat 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag 1972

Authors and Affiliations

  • N. Harris
    • 1
  • A. D. Dodge
    • 1
  1. 1.School of Biological SciencesUniversity of BathBathUK

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