Potassium deficiency reinforces the endodermal but not the exodermal suberized barrier in maize seminal roots
Tingting Liu, Klaus Dittert, İsmail Çakmak, Jóska Gerendás, Paul Grünhofer, Viktoria Valeska Zeisler-Diehl, Lukas Schreiber, Tino Kreszies
This study shows that potassium deficiency in maize increases endodermal suberin and reduces passage cells, reinforcing the endodermal barrier but not the exodermal one, limiting K leakage from the stele.
bioRxiv · Sep 23, 2026 · PreprintPlant Biology