Plant Diversity ›› 2002, Vol. 24 ›› Issue (02): 1-3.

• Articles •    

Ultrastructual Localization Observation of Cd and Zn in Leaf Cells of Potamogeton crispus

XU Qin-Song SHI Guo-Xin DU Kai-He   

  1. School of Life Sciences, Nanjing Normal University
  • Online:2002-04-25 Published:2002-04-25

Abstract: The ultrastructural localization of Cd and Zn in leaf cells of Potamogeton crispus Linn. was studied with modified sulfide-silver method.Observation showed that Cd and Zn appeared in cell wall,cell membrane and tonoplast. Silver grains were also observed in chloroplast and certain vacuoles . The toxic mechanism of heavy metals was discussed based on the experimental ersults.

Key words: Cd