Abstract
IN plant physiology potometry is still frequently considered a suitable method for measuring plant transpiration provided that the plant organs are cut under certain precautions, namely, under very clean distilled water, previously boiled, in order that the formation of gas bubbles in the vessels be avoided. Of course, the transfer of the cut stems or leaf-stalks to the potometer must be done without bringing the cut surface into contact with the air.
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References
Loftfield, J. V. G., "The Behavior of Stomata", Carnegie Inst. of Washington Pub. (1921).
Bode, H. R., Jahrb. wise. Bot., 62, 92 (1923).
Dixon, H. H., "Transpiration and the Ascent of Sap in Plants" (London, 1914).
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RAWITSCHER, F., RAWITSCHER, E. Inadequacy of Potometry for Measuring Plant Transpiration. Nature 163, 68–69 (1949). https://doi.org/10.1038/163068a0
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DOI: https://doi.org/10.1038/163068a0
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