Diurnal and seasonal variation in root xylem embolism in neotropical savanna woody species: impact on stomatal control of plant water status.

@article{Domec2006DiurnalAS,
  title={Diurnal and seasonal variation in root xylem embolism in neotropical savanna woody species: impact on stomatal control of plant water status.},
  author={Jean-Christophe Domec and Fabi{\'a}n G. Scholz and Sandra J. Bucci and Frederick C Meinzer and G. Goldstein and Randol Villalobos-Vega},
  journal={Plant, cell & environment},
  year={2006},
  volume={29 1},
  pages={26-35}
}
Vulnerability to water-stress-induced embolism and variation in the degree of native embolism were measured in lateral roots of four co-occurring neotropical savanna tree species. Root embolism varied diurnally and seasonally. Late in the dry season, loss of root xylem conductivity reached 80% in the afternoon when root water potential (psi root) was about -2.6 MPa, and recovered to 25-40% loss of conductivity in the morning when psi root was about -1.0 MPa. Daily variation in psi root… CONTINUE READING
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Diurnal depression of leaf hydraulic conductance in a tropical tree species

  • T. J. Brodribb, N. M. Holbrook
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  • 2004
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