Table 4.
GA Levels in GA2ox_RNAi Transgenics and Wild-Type Control
| Genotype | Organ | GA1 | GA4 |
| Wild-type control | Leaf | 58.1 ± 15.4 | 6.64 ± 3.18 |
| Root | 77.1 ± 29.3 | 2.24 ± 0.74 | |
| Transgenics | Leaf | 65.4 ± 17.2** | 8.87 ± 4.77* |
| Root | 95.8 ± 29.5** | 3.93 ± 1.61** |
GA concentration in ng g−1 dry weight; ** and * indicate significant differences compared with the wild type as determined by Student's t test at P < 0.01 and P < 0.05, respectively.