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Histochemical staining of AtYSL4 promoter-GUS reporter plants. (A) Seedling at 48 h (B) Seedling at 72 h (C) Seedling at 5 days (D) Root of 5-day-old seedling (E) Seedling at 8 days (F) Root of 8-day-old seedling (G) Seedling at 11 days (H) Flower at 36 days (I) Cross-section of rosette leaf at 36 days (J) Flowers at 36 days illustrating mature and immature flowers (K) Rosette leaf at 37 days (L) Cauline leaf at 37 days (M) Root at 24 days (N,O) Siliques at 24 days.
