Summary
(RS)-Abscisic acid, a natural plant hormone, has been found to inhibit photosynthesis in both detached and attached primary wheat leaves. The action occurs rapidly and is accompanied by large increases in stomatal diffusive resistance.
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This research was supported by the Wheat Industry Research Council.
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Mittelheuser, C.J., van Steveninck, R.F.M. Rapid action of abscisic acid on photosynthesis and stomatal resistance. Planta 97, 83–86 (1971). https://doi.org/10.1007/BF00388408
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DOI: https://doi.org/10.1007/BF00388408