Hydraulics of plant growth

Functional Plant Biology : FPB
John S Boyer, Wendy K Silk

Abstract

Multicellular plants rely on growth in localised regions that contain small, undifferentiated cells and may be many millimetres from the nearest differentiated xylem and phloem. Water and solutes must move to these small cells for their growth. Increasing evidence indicates that after exiting the xylem and phloem, water and solutes are driven to the growing cells by gradients in water potential and solute potential or concentration. The gradients are much steeper than in the vascular transport system and can change in magnitude or suffer local disruption with immediate consequences for growth. Their dynamics often obscure how turgor drives wall extension for growth, and different flow paths for roots and shoots have different dynamics. In this review, the origins of the gradients, their mode of action and their consequences are discussed, with emphasis on how their dynamics affect growth processes.

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Citations

May 18, 2005·Journal of Experimental Botany·Daniel A Eisenbarth, Alfons R Weig
Dec 24, 2005·Annals of Botany·Arnold J BloomAlison R Taylor
Mar 7, 2009·Journal of Experimental Botany·Bruno Moulia, Meriem Fournier
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May 1, 2009·Functional Plant Biology : FPB·John S Boyer
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Mar 20, 2008·Journal of Experimental Botany·An-Ching Tang, John S Boyer
Jul 26, 2016·Frontiers in Plant Science·John S Boyer
Apr 1, 2015·Functional Plant Biology : FPB·Markus KellerBhaskar R Bondada
Sep 1, 2005·Functional Plant Biology : FPB·Andrés Chavarría-KrauserUlrich Schurr
Jun 1, 2008·Functional Plant Biology : FPB·Sebastiano SalleoMaria Assunta Lo Gullo
Nov 1, 2006·Functional Plant Biology : FPB·Sebastiano SalleoMaria A Lo Gullo
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Jul 11, 2021·The New Phytologist·Jonas HiltySebastian Leuzinger

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