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A: GhC4H1, B: GhCHS, C: GhF3′H, D: GhF3′5′H. In the horizontal axis, 1: roots; 2: hypocotyls; 3: leaves; 4: flowers, 5–14 represent 3, 6, 9, 12, 15, 18, 21, 24, 27, 30 DPA fiber cells, respectively.
