Abstract
CERTAIN analogues and derivatives of abscisic acid (ABA) have growth inhibitory effects similar to those of the parent compound1–3. Although most are less effective than ABA itself, Koshimizu et al.3 found that some esters were more effective, and suggested that they could penetrate into the plant more easily than the free acid. We have now found that two esters can cause Stomatal closure and reduce transpiration in doses which do not inhibit growth appreciably.
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References
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JONES, R., MANSFIELD, T. Antitranspirant Activity of the Methyl and Phenyl Esters of Abscisic Acid. Nature 231, 331–332 (1971). https://doi.org/10.1038/231331a0
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DOI: https://doi.org/10.1038/231331a0
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