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Outputs of the selected piecewise linear model in the case of a lateral root for which the distance between the EZ-MZ limit and the first root hair position is large and the MZ slope is steep (wild-type A31). (A) Optimal 3-segment piecewise linear function and first root hair position; (B) Posterior division zone (DZ), elongation zone (EZ) and mature zone (MZ) probabilities. The uncertainty intervals for the DZ-EZ and EZ-MZ limits are in gray.
