Coleoptile Purple Line Regulated by A-P Gene System Is a Valuable Marker Trait for Seed Purity Identification in Hybrid Rice

Du Shuanglin, Wang Zhongwei, Chen Yun, Tan Yao, Li Xiang, Zhu Wenping, He Guanghua, Lei Kairong, Guo Longbiao, Zhang Yi

Fig. 1. Phenotypic characteristics of coleoptile purple line and coleoptile non-purple line on R25 and YR25 at the germination stage. A and C, Phenotypes of coleoptile purple line in R25. B and D, Phenotypes of coleoptile non-purple line in YR25. Coleoptile purple line and non-purple line are indicated by black and white arrows, respectively. Scale bars, 1 mm.