Fig. 5From: A method for mechanized hybrid rice seed production using female sterile ricePhenotype of the nuclear female sterility system. a Transgenic M-fs4B and ptb1 mutant plants. (Scale bar, 12.5 cm) (b) M-fs4B and ptb1 panicles. (Scale bar, 3.4 cm.) (c) I2-KI staining of M-fs4B and ptb1 pollen grains. (Scale bar, 40 μm)Back to article page