Fig. 1

Grain shape differences between international indica accessions and Guangdong Simiao varieties. a There were great differences between international indica accessions and Guangdong Simiao varieties in grain shape; the differences in grain length (b), grain width (c) and length/width ratio (d) between international indica accessions and Guangdong Simiao varieties.Scale bar:5mm; ** P < 0.01; the black horizontal lines represent the median value. The upper side and lower side of the box represent the upper quartile and lower quartile, respectively. The whiskers represent the range of data, and small circles represent outliers