Epistatic interaction of the genes Raw1 and Raw7 controls barb size and frequency in barley awn roughness
Muhammad Awais, Matthias Jost, Muhammad Khan, Hélène Pidon, Srijan Jhingan, Axel Himmelbach, Robert E. Hoffie, Göetz Hensel, Jochen Kumlehn, Twan L. M. Rutten, Michael Melzer, Jochen Christoph Reif, Martin Mascher, Nils Stein
This paper identifies Raw7 as a second gene controlling barley awn roughness, showing epistatic interaction with Raw1, and proposes a cytokinin signaling pathway mechanism.
bioRxiv · Apr 30, 2026 · PreprintPlant Biology