Fig. 5. Post-embryonic growth in atml1-1 pdf2-1. (A) Ten-day-old wild-type seedling. (B) Ten-day-old seedling of the double mutant. (C) Eighteen-day-old seedling of the double mutant. (D) SEM view of the double mutant leaf. Scale bar: 0.5 mm. (E-H) SEM micrographs showing the adaxial (E,F) and abaxial (G,H) surfaces of leaves of the wild type (E,G) and the double mutant (F,H). No epidermal cell layer is present in the double mutant (F,H). Wild-type leaves were partially peeled to show the mesophyll underneath the epidermis (E,G). Scale bars: 50 µm. (I) Cross-section of a double mutant leaf. Scale bar: 0.5 mm. (J) A cluster of stomatal guard cells found in a double mutant leaf. Scale bar: 10 µm.

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