Table 1.
Abundance of cytokinin derivatives measured in leaves, roots and nodules of well-watered control plants grown for 5, 10 and 16 d. Data are means and standard deviations (s.d) calculated on 3 pools of 3 plants and are expressed in pmol per g of fresh weight.
| Days after treatment | 0 |
5 |
10 |
16 |
|||||
|---|---|---|---|---|---|---|---|---|---|
| Leaves | mean | s.d | mean | s.d | mean | s.d | mean | s.d | |
| iP | 0.161 | 3.0E-02 | 0.057 | 4.5E-03 | 0.037 | 2.9E-03 | 0.030 | 3.8E-03 | |
| [9R]iP | 0.847 | 6.4E-02 | 0.739 | 1.1E-01 | 0.716 | 1.3E-01 | 0.335 | 5.7E-02 | |
| [9R-MP]iP | 1.050 | 8.7E-02 | 0.280 | 4.1E-02 | 0.134 | 2.9E-02 | 0.141 | 2.6E-02 | |
| (trans)Z | 0.369 | 2.0E-02 | 0.379 | 4.8E-02 | 0.249 | 1.5E-02 | 0.496 | 8.1E-02 | |
| (trans)[9R]Z | 0.111 | 7.0E-03 | 0.072 | 8.4E-03 | 0.032 | 6.4E-03 | 0.034 | 2.7E-03 | |
| (trans)[9R-MP]Z | nd | nd | 0.017 | 1.3E-03 | 0.033 | 2.3E-03 | |||
| (cis)Z | 0.234 | 4.7E-02 | 1.984 | 2.2E-01 | nd | nd | |||
| (cis)[9R]Z | 0.241 | 3.4E-02 | 0.097 | 7.6E-03 | 0.148 | 3.8E-02 | 0.079 | 4.7E-03 | |
| (cis)[9R-MP]Z | 0.483 | 8.4E-02 | 0.284 | 4.3E-02 | 0.402 | 4.7E-02 | 0.285 | 2.5E-03 | |
| DHZ | nd | nd | nd | nd | |||||
| [9R]DHZ | 0.037 | 4.6E-03 | 0.024 | 3.6E-03 | 0.014 | 4.6E-03 | 0.010 | 2.5E-03 | |
| [9R-MP]DHZ | nd | nd | nd | nd | |||||
| (trans)(OG)Z | 0.134 | 2.5E-02 | 0.143 | 2.5E-02 | 0.065 | 5.6E-03 | 0.069 | 2.5E-03 | |
| (OG)[9R]Z | 3.684 | 5.9E-01 | 4.366 | 3.1E-01 | nd | nd | |||
| (cis)(OG)Z | nd | nd | nd | nd | |||||
| (OG)DHZ | 0.242 | 3.5E-02 | 0.246 | 3.1E-02 | 0.135 | 3.3E-02 | 0.152 | 2.5E-02 | |
| (OG)[9R]DHZ | nd | nd | nd | nd | |||||
| [Z9G] | 0.116 | 2.6E-02 | 0.052 | 3.4E-03 | 0.053 | 9.2E-04 | 0.063 | 4.9E-03 | |
| (7G)iP | nd | nd | nd | nd | |||||
| (MeS)Z | 1.622 | 2.8E-01 | 1.353 | 2.6E-01 | 0.823 | 7.4E-02 | 0.699 | 6.5E-02 | |
| (MeS)[9R]Z | 0.663 | 4.2E-02 | 0.210 | 3.0E-02 | 0.170 | 2.9E-02 | 0.136 | 9.5E-03 | |
| (MeS)iP | nd | nd | nd | nd | |||||
| (MeS)[9R]iP | nd | nd | nd | nd | |||||
| BA | nd | nd | nd | nd | |||||
| [9R]BA | nd | nd | nd | nd | |||||
| Roots | |||||||||
| iP | 0.787 | 4.9E-02 | 0.160 | 1.5E-02 | 0.160 | 1.9E-02 | 0.132 | 2.0E-02 | |
| [9R]iP | 0.979 | 1.9E-01 | 0.661 | 4.8E-02 | 1.504 | 4.1E-01 | 0.585 | 6.2E-02 | |
| [9R-MP]iP | 2.837 | 5.2E-01 | 0.782 | 5.5E-02 | 0.574 | 5.1E-02 | 0.636 | 3.1E-02 | |
| (trans)Z | 0.572 | 2.4E-02 | 0.533 | 4.4E-02 | 0.311 | 3.8E-02 | 0.198 | 1.8E-02 | |
| (trans)[9R]Z | 0.232 | 2.3E-02 | 0.284 | 4.7E-02 | 0.111 | 3.0E-02 | 0.144 | 1.9E-02 | |
| (trans)[9R-MP]Z | 1.392 | 1.7E-01 | 1.736 | 1.0E-01 | 0.153 | 4.0E-02 | 0.107 | 1.5E-02 | |
| (cis)Z | nd | nd | nd | nd | |||||
| (cis)[9R]Z | 0.690 | 5.1E-02 | 0.470 | 4.1E-02 | 0.619 | 8.9E-02 | 0.489 | 2.4E-02 | |
| (cis)[9R-MP]Z | 4.669 | 2.3E-01 | 1.623 | 8.6E-02 | 1.145 | 2.6E-01 | 0.415 | 5.8E-02 | |
| DHZ | nd | nd | nd | nd | |||||
| [9R]DHZ | 0.080 | 3.2E-03 | 0.096 | 1.1E-02 | 0.039 | 7.7E-03 | 0.025 | 1.0E-03 | |
| [9R-MP]DHZ | nd | nd | nd | nd | |||||
| (trans)(OG)Z | nd | nd | nd | nd | |||||
| (OG)[9R]Z | 0.989 | 2.2E-02 | 0.157 | 2.5E-02 | 0.163 | 1.0E-02 | 0.122 | 2.8E-02 | |
| (cis)(OG)Z | nd | nd | nd | nd | |||||
| (OG)DHZ | 0.147 | 3.2E-02 | 0.076 | 1.1E-02 | nd | nd | |||
| (OG)[9R]DHZ | nd | nd | nd | nd | |||||
| [Z9G] | 0.038 | 2.9E-03 | 0.075 | 2.1E-03 | 0.067 | 5.2E-03 | 0.086 | 5.4E-03 | |
| (7G)iP | nd | nd | nd | nd | |||||
| (MeS)Z | 8.547 | 7.6E-01 | 3.162 | 7.2E-01 | 1.283 | 9.1E-01 | 2.698 | 6.7E-01 | |
| (MeS)[9R]Z | 0.435 | 5.9E-02 | 0.193 | 2.6E-02 | 0.181 | 1.9E-02 | 0.157 | 3.0E-02 | |
| (MeS)iP | nd | nd | nd | nd | |||||
| (MeS)[9R]iP | nd | nd | nd | nd | |||||
| BA | nd | nd | nd | nd | |||||
| [9R]BA | nd | nd | nd | nd | |||||
| Days after treatment | 5 |
10 |
16 |
||||||
|---|---|---|---|---|---|---|---|---|---|
| Nodules | 0 | mean | s.d | mean | s.d | mean | s.d | ||
| iP | 1.325 | 2.6E-01 | 0.142 | 2.2E-02 | 0.097 | 3.2E-03 | |||
| [9R]iP | 5.794 | 6.6E-01 | 1.383 | 1.2E-01 | 0.623 | 2.4E-02 | |||
| [9R-MP]iP | 10.373 | 2.6E+00 | 0.485 | 2.6E-02 | 0.165 | 1.8E-02 | |||
| (trans)Z | 1.849 | 4.1E-01 | 4.083 | 3.8E-01 | 1.122 | 1.4E-01 | |||
| (trans)[9R]Z | 0.713 | 4.7E-02 | 0.065 | 5.1E-03 | 0.110 | 1.5E-02 | |||
| (trans)[9R-MP]Z | nd | nd | nd | ||||||
| (cis)Z | nd | 2.756 | 1.7E+00 | 1.853 | 4.0E-01 | ||||
| (cis)[9R]Z | 1.752 | 2.8E-01 | 0.412 | 1.0E-02 | 0.136 | 2.5E-02 | |||
| (cis)[9R-MP]Z | 7.606 | 7.1E-01 | 0.607 | 1.9E-01 | 1.093 | 7.0E-02 | |||
| DHZ | 1.564 | 1.6E-01 | 0.094 | 7.9E-03 | 0.030 | 2.4E-03 | |||
| [9R]DHZ | 0.220 | 5.7E-02 | 0.052 | 7.7E-03 | 0.058 | 4.3E-03 | |||
| [9R-MP]DHZ | 0.553 | 1.1E-01 | nd | nd | |||||
| (trans)(OG)Z | nd | 0.380 | 1.5E-02 | 0.234 | 3.3E-02 | ||||
| (OG)[9R]Z | 22.800 | 2.7E+00 | 0.078 | 1.9E-03 | 0.158 | 1.8E-02 | |||
| (cis)(OG)Z | nd | nd | nd | ||||||
| (OG)DHZ | nd | 0.063 | 5.9E-03 | 0.089 | 4.4E-03 | ||||
| (OG)[9R]DHZ | nd | nd | nd | ||||||
| [Z9G] | 0.068 | 7.6E-02 | 0.156 | 1.3E-02 | 0.478 | 3.8E-02 | |||
| (7G)iP | nd | nd | 0.183 | 4.6E-02 | 0.058 | 3.7E-03 | |||
| (MeS)Z | 17.872 | 4.9E+00 | 1.413 | 1.8E-01 | 1.407 | 8.5E-02 | |||
| (MeS)[9R]Z | nd | 0.124 | 7.8E-03 | 0.120 | 1.2E-02 | ||||
| (MeS)iP | nd | nd | nd | ||||||
| (MeS)[9R]iP | nd | nd | nd | ||||||
| BA | nd | nd | nd | ||||||
| [9R]BA | nd | nd | nd | ||||||