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Phenotypes of the maintainer line Zhen 257B, showing no panicle enclosure, and the male-sterile line Zhen 257A, showing panicle enclosure. (A) Plants of Zhen 257A and Zhen 257B at the filling stage on the plot. Individual plants of Zhen 257A (B) and Zhen 257B (C) at the filling stage. Scale bar, 20 cm.
