Age-related Changes in Stomatal Response to Cytokinins and Abscisic Acid
- 1 July 1984
- journal article
- research article
- Published by Oxford University Press (OUP) in Annals of Botany
- Vol. 54 (1) , 121-126
- https://doi.org/10.1093/oxfordjournals.aob.a086765
Abstract
Kinetin and zeatin(100 mmol m−3)reversald the ABA-mediated(100 mmol m-2)closure of stomata of young maize leaves but did not affect stomatal apertures of these leaves when applied alone. As leaves aged, kinetin or zeatin alone promoted increased stomatal apertures, while abscisic acid (ABA) applied alone had a reduced effect on stomata. Even with older leaves, cytokinins reversad the effect of ABA on stomata.Keywords
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