Fig. 1
Phenotypic comparison of wild-type and sa1 plants. (a) Wild-type plant (left) and sa1 plant (right). (b) Wild-type inflorescence. (c) sa1 inflorescence. (d) Wild-type flower. (e) sa1 flower. (f) Wild-type anther. (g) sa1 anther. (h) Viable pollen grains from a wild-type plant after I2-KI staining. (i) Nonviable pollen grains from an sa1 plant after I2-KI staining. Bar =1 mm in (d), (e), (f), and (g), 50 μm in (h) and (i)