Abstract
THE level of growth inhibitor in plants increases when they are subjected to water stress and the major constituent of this inhibitor is abscisic acid (ABA)1–3. By its effect in closing stomata, ABA can control the rate of transpiration4–7 and it is therefore likely that ABA may be involved, to some extent, in the mechanism conferring tolerance of plants to drought.
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LARQUE-SAAVEDRA, A., WAIN, R. Abscisic acid levels in relation to drought tolerance in varieties of Zea mays L.. Nature 251, 716–717 (1974). https://doi.org/10.1038/251716a0
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DOI: https://doi.org/10.1038/251716a0
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