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. 2010 Jun 18;153(4):1577–1586. doi: 10.1104/pp.110.157461

Figure 3.

Figure 3.

Auxin application restores root hair elongation to ibr mutants. A, Photographs of 5-d-old Col-0 and ibr1-2 ibr3-1 ibr10-1 seedling roots vertically grown under yellow-filtered light at 22°C on medium supplemented with ethanol (mock) or 100 nm IAA. Scale bar = 1 mm. B, Mean root hair lengths (+se) of 5-d-old Col-0, ibr1-2 ibr3-1 ibr10-1, and pen3-4 seedlings vertically grown under yellow-filtered light at 22°C on medium supplemented with ethanol (mock), 100 nm IAA, 100 nm NAA, or 10 μm NPA. Root hair lengths were measured using NIH Image software (n = 500 total root hairs from at least 12 seedlings). C to K, Histograms of root hair lengths from section B of Col-0 (C–E), ibr1-2 ibr3-1 ibr10-1 (F–H), and pen3-4 (I–K) grown on IAA (C, F, and I), NAA (D, G, and J), or NPA (E, H, and K). Histograms for mock-treated seedlings are shown in every section for comparison. Wt, Col-0. [See online article for color version of this figure.]