Figure 5.
Response to auxin transport inhibitors. Seedlings were grown for 3 d on GM and then transferred to media containing the indicated amount of inhibitors or to control media without inhibitor. New root growth was measured 5 d later. Elongation of roots on 10−5 M NPA, TIBA, or HFCA is expressed as a percentage of root growth on media containing no inhibitor for both wild type (white bars) and rib1 (shaded bars). Each data point represents the average of 12 to 29 seedlings and the error bars represent the se of the mean.