Figure 2.

The root meristematic defect in shr is not rescued by reduction of cytokinin. (A) Root length of shr-2 and shr-2 expressing cytokinin oxidase 1 (35S::CKX1) at different time after seed germination. The error bars are standard deviations from measurements of 20 roots. p = 0.06, 0.2 and 0.8 respectively (t-test). DAG, days after germination. (B) Representative microscopic images of shr-2 (upper) and shr-2 35S::CKX1 (lower) roots, 7 d after germination. The value at the lower left corner is the number of ground tissue cells along the longitudinal axis of the meristem (bracket) and the standard deviations. p = 0.8 (t-test, n = 14). Bars = 50 μm.