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The ilr1 iar3 ill2 triple auxin-conjugate hydrolase mutant displays defects in root hair elongation. Histograms of root hair lengths of 5-d-old vertically grown Ws-2 (Wt; A) and ilr1-1 iar3-2 ill2-1 (B) seedlings. Root hair lengths were measured using NIH Image software (n = 500 total root hairs from at least 15 seedlings). Bars depicting median root hair lengths are shaded. [See online article for color version of this figure.]
