Soil Rather Than Xylem Vulnerability Controls Stomatal Response to Drought

• Published in: Trends in plant science Vol. 25; no. 9; pp. 868 - 880
• Main Authors: Carminati, Andrea, Javaux, Mathieu
• Format: Journal Article
• Language: English
• Published: England Elsevier Ltd 01.09.2020; Elsevier BV
• Subjects: Computational fluid dynamics; Drought; Fluid flow; fluid mechanics; hydraulic conductivity; Hydraulic models; Hydraulics; plant response; Rhizosphere; roots; Soil conductivity; Soils; Stomata; stomatal movement; Transpiration; Xylem

The current trend towards linking stomata regulation to plant hydraulics emphasizes the role of xylem vulnerability. Using a soil–plant hydraulic model, we show that xylem vulnerability does not trigger stomatal closure in medium-wet to dry soils and we propose that soil hydraulic conductivity loss...