Pre-chlorotic Mg2+ deficiency impairs guard-cell PSII and leaf gas exchange in Vicia faba
Andrea Wuebben, Evelien Franck, Bastian Leander Franzisky, Muhammad Ishfaq, Alexander Erban, Joachim Kilian, Edda von Roepenack‐Lahaye, Joachim Kopka, Mark Stahl, Sébastien Carpentier, Christoph‐Martin Geilfus, Katja Kampmann
This study shows that magnesium deficiency impairs guard-cell photosystem II and leaf gas exchange before visible chlorosis in Vicia faba.
bioRxiv · Oct 14, 2026 · PreprintPhysiology