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. 2017 Oct 26;8:1750. doi: 10.3389/fpls.2017.01750

Table 8.

Piecewise linear functions selected for rtcs lateral roots.

Division zone Elongation zone Mature zone
Linear function Confidence intervals DZ-EZ limit Linear function Confidence intervals EZ-MZ limit Linear function End position
A3 11.9 → 18.3 (15.7, 20.9 | 17.7, 34.4) 617 26 → 90.1 (77.7, 102.4 | 63.7, 139.4) 1,385 101.5 → 108.4 2,277
A1 7.6 → 12 (10.5, 13.6 | 13.3, 18.5) 535 15.9 → 54.6 (50.8, 58.4 | 57.1, 97.3) 1,185 77.2 → 131.6 3,407
A′36 7.5 → 8.6 (7.8, 9.4 | 7.1, 13.8) 506 10.4 → 69.4 (63.8, 75 | 51.1, 86.2) 1,146 68.6 → 90.3 1,998
A2 5.6 → 14.6 (13, 16.2 | 10.4, 24.7) 323 17.5 → 83.8 (73.4, 94.3 | 64.3, 99.5) 744 81.9 → 97.2 2,257
A′37 5.6 → 9.1 (8.3, 9.9 | 7.1, 12.8) 313 10 → 42.4 (38.2, 46.5 | 41.6, 59.2) 707 50.4 → 75.5 1,514
A′38 6.3 → 9 (8.3, 9.6 | 2.7, 6.8) 272 4.8 → 30.8 (26.3, 35.3 | 34.2, 51.7) 505 42.9 → 75 1,621
A′39 11.1 → 59.7 (53.1, 66.3 | 34.3, 74.4) 980 54.4 → 74.7 1,844
B15 8.9 → 79.3 (73.7, 85 | 54.9, 82) 520 68.5 → 59.2 1,493

For each lateral root (ordered in decreasing length of the division zone), the piecewise linear function (cell lengths predicted at both ends of a zone –division zone (DZ), elongation zone (EZ), and mature zone (MZ)– linked by an arrow, limits between zones, and position of the most shootward cell in μm) with associated rootward and shootward confidence intervals at each limit between zones (between brackets) is given.