How do leaf hydraulics limit stomatal conductance at high water vapour pressure deficits?

@article{Bunce2006HowDL,
  title={How do leaf hydraulics limit stomatal conductance at high water vapour pressure deficits?},
  author={James A. Bunce},
  journal={Plant, cell & environment},
  year={2006},
  volume={29 8},
  pages={1644-50}
}
A reduction in leaf stomatal conductance (g) with increasing leaf-to-air difference in water vapour pressure (D) is nearly ubiquitous. Ecological comparisons of sensitivity have led to the hypothesis that the reduction in g with increasing D serves to maintain leaf water potentials above those that would cause loss of hydraulic conductance. A reduction in leaf water potential is commonly hypothesized to cause stomatal closure at high D. The importance of these particular hydraulic factors was… CONTINUE READING

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