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Planta

, Volume 101, Issue 4, pp 296–316 | Cite as

Stomatal movement in Zea mays: Shuttle of potassium and chloride between guard cells and subsidiary cells

  • Klaus Raschke
  • Margaret Pierce Fellows
Article

Summary

When stomates of Zea mays open K and Cl migrate from the subsidiary cells into the guard cells; when the stomates close both elements return to the subsidiary cells. Subsidiary cells function as reservoirs for K and Cl. Import of K and Cl into the guard cells and loss of both elements from the guard cells become observable 1 or 2 min after light is turned on or off, both when histochemical methods and the electron-probe microanalyzer are used for detection. Each stomatal complex of maize contains on the average 10±3×10-13 gram equivalents (eq) of K and 4±1×10-13 eq of Cl. Guard cells accumulate K in the light and CO2-free air at an average rate of 10×10-15 eq K per minute, and Cl at approximately half that rate.

Keywords

Chloride Potassium Maize Average Rate Guard Cell 
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 1971

Authors and Affiliations

  • Klaus Raschke
    • 1
  • Margaret Pierce Fellows
    • 1
  1. 1.MSU/AEC Plant Research LaboratoryMichigan State UniversityEast Lansing

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