Variation in the oxygen isotope ratio of phloem sap sucrose from castor bean. Evidence in support of the Péclet effect.

@article{Barbour2000VariationIT,
  title={Variation in the oxygen isotope ratio of phloem sap sucrose from castor bean. Evidence in support of the P{\'e}clet effect.},
  author={Margaret M. Barbour and Ulrich Schurr and Beverley K. Henry and Suan Chin Wong and Graham D Farquhar},
  journal={Plant physiology},
  year={2000},
  volume={123 2},
  pages={671-80}
}
Theory suggests that the level of enrichment of (18)O above source water in plant organic material (Delta) may provide an integrative indicator of control of water loss. However, there are still gaps in our understanding of the processes affecting Delta. One such gap is the observed discrepancy between modeled enrichment of water at the sites of evaporation within the leaf and measured enrichment of the leaf water as a whole (Delta(L)). Farquhar and Lloyd (1993) suggested that this may be… CONTINUE READING

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