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Cross sections through the (A) wild-type expanded leaf, (B) M1 FaKNOX1 RNAi expanded leaf and (C) M2 FaKNOX1 RNAi expanded leaf to show the variation in the arrangement of different cell layers. AD, adaxial epidermis: PL, palisade layer; SL, spongy layer and AB, abaxial epidermis. Bars = 50 µm.
