CO2, stomata and water use efficiency

 

Sensitivity of stomata and water use efficiency to high CO₂

by Morison J. I. L. (1985)

James L. Morison

in Plant, Cell and Environment 8, 467–474. –

Wiley Online Library | – 

http://onlinelibrary.wiley.com/doi/10.1111/j.1365-3040.1985.tb01682.x/full

Abstract

The observed responses of stomata to carbon dioxide are reviewed, and the interaction of other known factors on the sensitivity to CO₂ are summarized.

The role of stomatal response to CO₂ is discussed, and it is argued that while the effect of the CO₂ response in normal daily stomatal behaviour is presently poorly understood the stomatal response to CO₂ will have major impact in improving water use efficiency in future CO₂ atmospheres.

However, the attenuation of this increase is emphasized so that increases at the crop level will probably be much smaller than those observed at the single leaf assimilation level.