Table 2. Rosette, Inflorescence, and Silique Development of Wild-Type and sli1-1 Plants.
| Variable | 20°C |
26°C |
||
|---|---|---|---|---|
| Col-0 | sli1-1 | Col-0 | sli1-1 | |
| Number of leaves (15 d) | 6.2 ± 0.1 | 6.1 ± 0.1ns | 7.8 ± 0.1 | 7.6 ± 0.1ns |
| Number of leaves (35 d) | 21.8 ± 0.8 | 20.9 ± 0.7ns | 30.2 ± 0.6 | 29.4 ± 0.4ns |
| Rosette fresh weight (g) | 0.4 ± 0 | 0.3 ± 0ns | 1.3 ± 0 | 1.2 ± 0.1ns |
| Flowering time (d) | 51.4 ± 0.4 | 51 ± 0.6ns | 52.8 ± 0 | 54 ± 1ns |
| Inflorescence stem height (cm, 58 d) | 5 ± 1.6 | 6.7 ± 2.7ns | 8.9 ± 1.9 | 2.3 ± 0.9* |
| Inflorescence stem height (cm, 60 d) | 10.8 ± 1.8 | 12.1 ± 2.8ns | 16.1 ± 1.5 | 7.6 ± 2.2* |
| Inflorescence stem height (cm, 63 d) | 22 ± 1.5 | 23 ± 2.1ns | 23.3 ± 1.2 | 14.3 ± 3.5* |
| Inflorescence stem height (cm, final) | 32.7 ± 0.8 | 31.5 ± 1.5ns | 41.5 ± 1 | 41.2 ± 1.7ns |
| Number of primary side branches | 6.8 ± 0.5 | 7 ± 0.4ns | 8.5 ± 0.4 | 8.2 ± 0.3ns |
| Number of secondary side branches | 0 ± 0 | 5.5 ± 2.6* | 3.8 ± 0.8 | 13.2 ± 4.2ns |
| Number of siliques main stem | 32.3 ± 1.9 | 33.3 ± 1.4ns | 40.2 ± 1.5 | 42.5 ± 2.1ns |
| Number of siliques side branches | 97.2 ± 8.9 | 81.8 ± 7.6ns | 110.7 ± 4.8 | 64 ± 14.3* |
| Number of siliques (total) | 129.5 ± 8.6 | 115.2 ± 8.9ns | 150.8 ± 5.7 | 106.5 ± 14.4* |
| Silique length (cm) | 1.3 ± 0 | 1.3 ± 0ns | 1 ± 0 | 0.9 ± 0* |
Means ± se; *P < 0.05, **P < 0.01, and ***P < 0.001 (Mann-Whitney U pairwise comparisons of sli1-1 with Col-0 within temperature treatments). Significant differences between 20 and 26°C within the plant lines Col-0 and sli1-1 are shown in bold (Mann-Whitney U pairwise comparisons, P < 0.05). Number of leaves at 15 d, n = 13; number of leaves at 35 d and fresh weight, n = 8; flowering time, inflorescence stem height, number of branches, siliques, and silique length, n = 5 to 6.