Figure 1. Shortened glumes cause round grains in sar1.
(A–E) Mature grains (A), mature florets (B), mature caryopses (C), elongating florets (D), developing caryopses (E) of WT and sar1. The numbers on Panel E indicate days after pollination. (F) Statistical results of glume size during floral development for the WT and sar1 (15<n<185). (G) Mature WT and sar1 grains and caryopses grown under glume-cutting conditions, which mean that the distal ends of glumes were cut off before fertilization, allowing caryopses to develop without height restrictions from glumes. Scale bar = 1 mm in (A) to (E) and (G).