Table 1.
Flowering phenotypes of representative T1 transgenic tobacco lines harboring various FT/TFL1 homologs.
| Genotype | Line label | n | No. leaves on main stem at flowering | Plant height at first flower bud (cm) | Time from seed to first flower bud (days) |
|---|---|---|---|---|---|
| Wt | Wt | 10 | 28.6 ± 1.1e | 120.2 ± 3.8f | 168.8 ± 6.6h |
| 35S::RoFT | R0-4 | 20 | 6.8 ± 1.0f | 16.4 ± 2.7g | 46.9 ± 4.3ij |
| R0-15 | 20 | 5.9 ± 1.1f | 13.4 ± 2.6gh | 41.3 ± 2.6j | |
| 35S::PmFT | P0-8 | 20 | 5.5 ± 0.9f | 10.6 ± 2.8h | 42.5 ± 4.9ij |
| P0-10 | 20 | 6.4 ± 1.1f | 11.5 ± 3.0gh | 49.0 ± 2.1i | |
| 35S::FaFT | F0-1 | 20 | 30.5 ± 1.9e | 123.4 ± 4.9f | 194.6 ± 6.9g |
| F0-9 | 20 | 38.9 ± 3.1d | 130.9 ± 4.4e | 218.5 ± 7.8f | |
| 35S::PhFT | T0-3 | 20 | 69.3 ± 3.8c | 174.2 ± 4.4cd | 294.0 ± 7.1e |
| T0-7 | 20 | 77.2 ± 2.9b | 180.2 ± 3.5b | 320.2 ± 6.8c | |
| 35S::RoTFL1 | T0-5 | 20 | 66.3 ± 3.6c | 172.9 ± 4.5d | 291.4 ± 10.2e |
| T0-8 | 20 | 85.1 ± 3.4a | 176.6 ± 4.2c | 372.8 ± 14.3b | |
| 35S::PmTFL1 | T0-2 | 20 | 68.3 ± 3.1c | 173.9 ± 3.2cd | 301.0 ± 9.1d |
| T0-7 | 20 | 79.8 ± 7.3b | 185.0 ± 6.5a | 385.1 ± 7.9a | |
| 35S::FaTFL1 | L1 | 20 | 65.8 ± 3.3c | 174.5 ± 5.0cd | 294.9 ± 7.0e |
| L2 | 20 | 80.1 ± 5.1b | 187.1 ± 9.8a | 387.9 ± 9.2a |
n = number of independent plants analyzed. Values are mean ± SE. Figures followed by common letters within the same column are not significantly different at P = 0.05.