Journal
PLANT PHYSIOLOGY
Volume 164, Issue 4, Pages 1649-1660Publisher
AMER SOC PLANT BIOLOGISTS
DOI: 10.1104/pp.113.233817
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Funding
- National Science Foundation [DBI 1103664]
- Air Force Office of Sponsored Research [FA9550-09-1-0188]
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Cavitation has long been recognized as a key constraint on the structure and functional integrity of the xylem. Yet, recent results call into question how well we understand cavitation in plants. Here, we consider embolism formation in angiosperms at two scales. The first focuses on how air-seeding occurs at the level of pit membranes, raising the question of whether capillary failure is an appropriate physical model. The second addresses methodological uncertainties that affect our ability to infer the formation of embolism and its reversal in plant stems. Overall, our goal is to open up fresh perspectives on the structure-function relationships of xylem.
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