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Crown root growth rates in wild-type and WOX11 RNAi, mutant, and over-expression plants.
Hematoxylin-stained cross sections of the coleoptilar node of wild-type, WOX11 RNAi (RW4), wox11-1 mutant, and WOX11-overexpressing (OW7) seedlings at 3, 5, 7, or 21 d after germination as indicated. Arrows indicate emerging crown root initials. Bars = 50 μm.
