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PPR14 mutation arrests embryo and endosperm development. (A–H) Developmental analysis of wild-type (WT; E–H) and ppr14 mutant (A–D) kernels at 8 (A,E), 13 (B,F), and 18 (C,D,G,H) days after pollination (DAP). Enlarged views of the ppr14 mutant (D) and WT (H) embryos at 18 DAP. em, embryo; en, endosperm; LP, leaf primordia; RAM, root apical meristem; SAM, shoot apical meristem; SC, scutellum. Bars = 1 mm.
