Early changes of the pH of the apoplast are different in leaves, stem and roots of Vicia faba L. under declining water availability

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Authors	THIRUPATHI Karuppana Pandian GEILFUS Christoph-Martin MÜHLING Karl-Hermann NOVÁK Ondrej GLOSER Vít
Year of publication	2017
Type	Article in Periodical
Magazine / Source	Plant Science
MU Faculty or unit	Faculty of Science
Citation
Doi	http://dx.doi.org/10.1016/j.plantsci.2016.11.010
Field	Physiology
Keywords	Drought stress; Abscisic acid; Soil drying; Xylem sap; Osmolality; Water relations; Leaf water potential
Description	Changes in pH of the apoplast have recently been discussed as an important factor in adjusting transpiration and water relations under conditions of drought via modulatory effect on abscisic acid (ABA) concentration. Using Vicia faba L., we investigated whether changes in the root, shoot and leaf apoplastic pH correlated with (1) a drought-induced reduction in transpiration and with (2) changes in ABA concentration.
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