Journal
TRENDS IN PLANT SCIENCE
Volume 23, Issue 2, Pages 112-120Publisher
ELSEVIER SCIENCE LONDON
DOI: 10.1016/j.tplants.2017.11.002
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Funding
- Vaadia BARD post-doctoral fellowship [FI-522-2015]
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Plants are frequently classified as isohydric or anisohydric in an attempt to portray their water relations strategy or ecological niche. However, despite the popularity of the iso/anisohydric classification, the underlying biology remains unclear. We use here a simple hydraulic model and the extensive literature on grapevine hydraulics to illustrate that the iso/anisohydric classification of a plant depends on the definition used and the environment in which it is grown, rather than describing an intrinsic property of the plant itself. We argue that abandoning the iso/anisohydric terminology and returning to a more fundamental hydraulic framework would provide a stronger foundation for species comparisons and ecological predictions.
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