The rapidity of stomatal responses



Speedy stomata, photosynthesis and plant water use efficiency – New Phytol. Online Version of Record

by Lawson T., Vialet-Chabrand S. (2018)

Tracy Lawson, Silvère Vialet-Chabrand,
School of Biological Sciences, University of Essex, Wivenhoe Park, Colchester, CO4 3SQ, UK




Stomatal movements control COuptake for photosynthesis and water loss through
transpiration, and therefore play a key role in plant productivity and water use efficiency.
The predicted doubling of global water usage by 2030 mean that stomatal behaviour is central to current efforts to increase photosynthesis and crop yields, particularly under conditions of reduced water availability. In the field, slow stomatal responses to dynamic environmental conditions add a temporal dimension to gaseous fluxes between the leaf and atmosphere.
Here, we review recent work on the rapidity of stomatal responses and present some of the possible anatomical and biochemical mechanisms that influence the rapidity of stomatal movements.

Published by

Willem Van Cotthem

Honorary Professor of Botany, University of Ghent (Belgium). Scientific Consultant for Desertification and Sustainable Development.

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