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YANG Ding-Tian, SHI Guo-Xin, CHEN Wei-Min. The Effects of Cr6+'s Pollution on the Ultrastructure of Hydrocharis dubia and Cell Membrane of H.verticillata,Brasenia schreberi,Trapa bispinosa[J]. Plant Science Journal, 2001, 19(6): 483-488.
Citation: YANG Ding-Tian, SHI Guo-Xin, CHEN Wei-Min. The Effects of Cr6+'s Pollution on the Ultrastructure of Hydrocharis dubia and Cell Membrane of H.verticillata,Brasenia schreberi,Trapa bispinosa[J]. Plant Science Journal, 2001, 19(6): 483-488.
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The Effects of Cr6+'s Pollution on the Ultrastructure of Hydrocharis dubia and Cell Membrane of H.verticillata,Brasenia schreberi,Trapa bispinosa

  • 1.

    Institute of Nanjing Geology and Luminology, The Chinese Academy of Sciences, Nanjing 210008, China

  • 2.

    Biological Department, Nanjing Normal University, Nanjing 210097, China

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  • Received Date: April 10, 2001
  • Revised Date: August 13, 2001
  • Published Date: November 23, 2001
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  • The effects of Cr6+'s pollution on the ultrastructure of Hydrocharis dubia mainly showed:plasmodesmata fractured,nuclei deformed in different ways,chloroplast enlarged,granum disorganized.Relationship between the le-vel of injured cell and cultural concentration was positive.On the Hydrocharis dubia,H.verticillata,Brasenia schreberi,Trapa bispinosa was plasmolysis and black grains emerged between cell wall and cell membrane;physiological test showed:contents of MDA and O2 were higher than that of control class.
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