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The paraffin cross-section of the sepal of WT and dsp. (A–D and I) Stage 3 to 7 of WT sepal. (E–H and J) Stage 3 to 7 of dsp sepal. (K) The average area of sepal cells in unit view. The area of unit view of A, B, E and F = 0.01mm2; C and G = 0.09 mm2; D, H–J = 0.25 mm2. The cells in > 3 unit views were counted. * p < 0.05 (t-test), ** p < 0.01 (t-test).
