Reversible Deformation of Transfusion Tracheids in Taxus baccata Is Associated with a Reversible Decrease in Leaf Hydraulic Conductance.

@article{Zhang2014ReversibleDO,
  title={Reversible Deformation of Transfusion Tracheids in Taxus baccata Is Associated with a Reversible Decrease in Leaf Hydraulic Conductance.},
  author={Y. Zhang and Fulton E Rockwell and James K. Wheeler and Noel Michele Holbrook},
  journal={Plant physiology},
  year={2014},
  volume={165 4},
  pages={1557-1565}
}
Declines in leaf hydraulic conductance (Kleaf) with increasing water stress have been attributed to cavitation of the leaf xylem. However, in the leaves of conifers, the reversible collapse of transfusion tracheids may provide an alternative explanation. Using Taxus baccata, a conifer species without resin, we developed a modified rehydration technique that allows the separation of declines in Kleaf into two components: one reversible and one irreversible upon relaxation of water potential to… CONTINUE READING
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