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Effect of waving and gravitropically induced root bending illustrated in Figs 2A and 3B–I on primary root length (A), LR(P) frequency (B), LR(P) density (C), and the average number of LR(P)s per bend (D) between 5 and 10 daig, determined at 12 daig. The bending interval displayed in waving roots (Fig. 2A) is marked (4.5h, arrow). Values for other forms of bending shown in Figs 2 and 3 are depicted on the right (the fraction of LRPs is indicated by the white part of columns in B).
