A rate equation model of stomatal responses to vapour pressure deficit and drought |
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| Authors: | D Eamus ST Shanahan |
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| Affiliation: | (1) Institute for Water and Environmental Resource Management, University of Technology, Sydney, Australia;(2) School of Informatics, Northern Territory University, Darwin, NT, 0909 |
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| Abstract: | Background Stomata respond to vapour pressure deficit (D) – when D increases, stomata begin to close. Closure is the result of a decline in guard cell turgor, but the link between D and turgor is poorly understood. We describe a model for stomatal responses to increasing D based upon cellular water relations. The model also incorporates impacts of increasing levels of water stress upon stomatal responses to increasing D. |
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