Figure 1.

Phenotypes of the Different Mutant Lines.

Seedlings were grown in a vertical orientation for 4 d on half-strength Murashige and Skoog (MS) medium. Root hairs are shown of the wild type (A), the lrx1 mutant (B), which develops shorter and misshaped root hairs, the lrx1 rol1-1 double mutant (C), the lrx1 rol1-2 double mutant (D), with a suppressed lrx1 root hair phenotype, the rol1-1 single mutant (E), and the rol1-2 single mutant (F), with denser and slightly shorter root hairs compared with the wild type. Bar = 0.5 mm.