Distribution of Potassium between Vacuole and Cytoplasm in Response to Potassium Deficiency

  • Richard Storey
  • Roger A. Leigh
Part of the NATO ASI Series book series (NSSA, volume 134)


Differential changes in the distribution of potassium between cytoplasm and vacuole may be an important response of plants to K+ deficiency. Leigh and Wyn-Jones (1984) suggested that as tissue K+ concentration declines, the K+ concentration in the cytoplasm will remain constant while that in the vacuole will decrease. They proposed that decreases in cytoplasmic K+ concentration would only be observed at low tissue K+ concentrations and that growth would decline in response to these decreases. Evidence for such differential behaviour of the cytoplasmic and vacuolar K+ pools in barley leaf cells has now been obtained using X-ray microanalysis.


Epidermal Cell Mesophyll Cell Barley Plant Differential Behaviour Potassium Deficiency 
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  1. Leigh, R. A., Chater, M., Storey, R., and Johnston, A. E., 1986, Accumulation and subcellular distribution of cations in relation to the growth of potassium-deficient barley, Plant Cell Environ., in press.Google Scholar
  2. Leigh, R. A., and Wyn-Jones, R. G., 1984, A hypothesis relating critical’ potassium concentrations for growth to the distribution and functions of this ion in the plant cell, New Phytol., 97: 1.CrossRefGoogle Scholar
  3. Sutcliffe, J. F., and Baker, D. A., 1974, “Plants and Mineral Salts”, 2nd Edition, Edward Arnold, London.Google Scholar

Copyright information

© Plenum Press, New York 1987

Authors and Affiliations

  • Richard Storey
    • 1
  • Roger A. Leigh
    • 2
  1. 1.Division of Horticultural ResearchC.S.I.R.O.MerbeinVictoriaAustralia
  2. 2.Rothamsted Experimental StationHarpenden, HertfordshireUK

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