The effect of benzo‐18‐crown‐6, a synthetic ionophore, on stomatal opening and its interaction with abscisic acid
- 1 December 1979
- journal article
- Published by Wiley in Plant, Cell & Environment
- Vol. 2 (4) , 325-327
- https://doi.org/10.1111/j.1365-3040.1979.tb00087.x
Abstract
Treatment of tomato seedlings with 5 mM benzo‐18‐crown‐6, a potassium ionophore, produced a reduction in transpiration of 40%. Treatments of epidermal strips of Commelina communis with ben‐zo‐18‐crown‐6 (1‐l0mM) inhibited stomatal opening, and this effect was shown to be reversible. An antagonistic interaction between abscisic acid (10−7M) and benzo‐18‐crown‐6 (4 × 10−3 M) was also observed.Keywords
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