Ovule cell wall composition is a maternal determinant of grain size in barley
X. Yang, L. G. Wilkinson, M. K. Aubert, K. Houston, N. Shirley, M. R. Tucker
The paper shows that maternal ovule cell wall composition, specifically homogalacturonan levels, determines grain size in barley by affecting ovule growth before fertilization.
bioRxiv · Dec 2, 2022Plant Biology