Abstract
FIRST, I would like to correct a vagueness in my contributions to this discussion. I certainly think that the changes in transpiration are caused by stomatal movements. I think this is very evident from an earlier paper of mine1. Certainly I have myself no experimental proof in my papers hitherto published but a flood of evidence can be found in the literature2–6 and theoretical considerations point in the same direction7. Secondly, I do not agree with the authors when they assume that I postulate that the transpiration stream passes through the cells in the root because I postulate a permeability barrier. In earlier experiments1 the root permeability and cell permeability were found to be probably not identical. Where the permeability barrier is localized is still a matter for discussion8.
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RUFELT, H. Rapid Changes in Transpiration in Plants. Nature 200, 284 (1963). https://doi.org/10.1038/200284a0
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DOI: https://doi.org/10.1038/200284a0
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