Table II.
Kinematic analysis of root growth rate differences between 18 Arabidopsis ecotypes
| Ecotype | E | lmat | P | Tc | Ndiv |
|---|---|---|---|---|---|
| μm h−1 | μm | cells h−1 | h | ||
| Ler | 71 ± 10 | 84 ± 6 | 0.86 ± 0.05 | 36 ± 4 | 44 ± 3 |
| Cvi | 92 ± 14 | 87 ± 1 | 1.05 ± 0.01 | 25 ± 1 | 39 ± 1 |
| C24 | 99 ± 8 | 94 ± 2 | 1.06 ± 0.02 | 25 ± 1 | 38 ± 1 |
| RLD | 112 ± 9 | 170 ± 5 | 0.66 ± 0.02 | 36 ± 2 | 34 ± 1 |
| NW | 118 ± 15 | 186 ± 3 | 0.63 ± 0.01 | 48 ± 0 | 44 ± 1 |
| S96 | 135 ± 16 | 167 ± 7 | 0.83 ± 0.04 | 35 ± 1 | 42 ± 1 |
| Djn | 138 ± 5 | 121 ± 5 | 1.15 ± 0.04 | 27 ± 3 | 45 ± 3 |
| Wei | 139 ± 6 | 169 ± 3 | 0.83 ± 0.02 | 27 ± 2 | 32 ± 2 |
| Nd | 155 ± 12 | 189 ± 3 | 0.83 ± 0.01 | 38 ± 1 | 46 ± 1 |
| Be | 160 ± 8 | 140 ± 6 | 1.15 ± 0.05 | 30 ± 5 | 49 ± 6 |
| An | 161 ± 8 | 180 ± 9 | 0.90 ± 0.04 | 33 ± 2 | 43 ± 4 |
| Lz | 176 ± 8 | 184 ± 11 | 0.97 ± 0.05 | 36 ± 5 | 49 ± 3 |
| Col | 182 ± 11 | 171 ± 12 | 1.09 ± 0.09 | 29 ± 3 | 43 ± 2 |
| Ty | 184 ± 8 | 172 ± 2 | 1.07 ± 0.01 | 30 ± 2 | 46 ± 3 |
| Wt | 201 ± 14 | 189 ± 8 | 1.07 ± 0.04 | 33 ± 3 | 50 ± 3 |
| Tsu | 207 ± 20 | 145 ± 6 | 1.55 ± 0.06 | 19 ± 1 | 42 ± 0 |
| Est | 281 ± 8 | 203 ± 15 | 1.45 ± 0.08 | 26 ± 4 | 55 ± 3 |
| Ws | 338 ± 18 | 237 ± 13 | 1.83 ± 0.09 | 24 ± 2 | 61 ± 1 |
Average root elongation rate (E) ± se (n = 8 plates, each with 8–10 seedlings). Mature cortical cell length (lmat), cell production rate (P), average cell cycle duration (Tc), and the no. of dividing cells per cortical cell file (Ndiv) ± se (n = 5 representative roots).