Abstract
THE opening and closing of stomatal pores is controlled by deformations of the guard cells resulting from changes in the pressure relationships between epidermal and guard cells. Under natural conditions such changes are, in turn, controlled by changes in the osmotic concentrations of cell saps or by changes in cell water content, although they could also be controlled by changes in cell wall properties. We have measured the pressures required to bring about or maintain stomatal openings by applying pressures directly within subsidiary cells and guard cells of Tradescantia virginiana and Vicia faba leaves.
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EDWARDS, M., MEIDNER, H. Micromanipulation of stomatal guard cells. Nature 253, 114–115 (1975). https://doi.org/10.1038/253114a0
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DOI: https://doi.org/10.1038/253114a0
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