Table 1.
Agronomic traits of the control and transgenic rice plants grown in paddy filed
| Nitrogen fertilizer concentration (kg N/ha) | Lines | Plant height (cm) | Number of effective panicles (per) | Filled grain rate (%) | Thousand grain weight (g) | Grain weight per plant (g) |
|---|---|---|---|---|---|---|
| 0 | Control | 73.3 ± 2.0 | 16.2 ± 2.3 | 58.2 ± 2.1 | 21.4 ± 0.8 | 14.05 ± 1.5 |
| Ubi::TrGDH-4 | 70.7 ± 2.8 | 20.6 ± 2.1** | 48.1 ± 1.3** | 25.3 ± 0.7** | 17.04 ± 0.9** | |
| Ubi::TrGDH-13 | 71.4 ± 3.2 | 21.5 ± 1.5** | 50.2 ± 2.0** | 25.7 ± 1.0** | 16.64 ± 0.9** | |
| 37.5 | Control | 73.6 ± 3.2 | 20.6 ± 1.5 | 62.3 ± 1.1 | 24.8 ± 0.7 | 16.70 ± 0.7 |
| Ubi::TrGDH-4 | 73.0 ± 1.9 | 25.1 ± 1.2** | 53.0 ± 1.4** | 28.3 ± 0.4** | 19.76 ± 1.2** | |
| Ubi::TrGDH-13 | 72.0 ± 3.4 | 26.6 ± 2.1** | 54.2 ± 1.2** | 28.9 ± 0.6** | 21.95 ± 0.7** | |
| 112.5 | Control | 75.2 ± 3.1 | 25.7 ± 2.2 | 66.3 ± 1.3 | 26.1 ± 0.6 | 22.34 ± 0.9 |
| Ubi::TrGDH-4 | 73.8 ± 2.5 | 28.6 ± 1.3** | 58.0 ± 1.5** | 29.6 ± 0.5** | 25.77 ± 1.0** | |
| Ubi::TrGDH-13 | 74.4 ± 3.2 | 29.7 ± 1.6** | 59.1 ± 1.1** | 30.0 ± 0.4** | 26.64 ± 0.7** | |
| 187.5 | Control | 76.3 ± 2.1 | 29.8 ± 3.2 | 68.6 ± 1.6 | 28.3 ± 0.7 | 29.36 ± 1.2 |
| Ubi::TrGDH-4 | 74.1 ± 3.3 | 31.5 ± 2.2** | 62.0 ± 1.7** | 30.6 ± 0.4** | 33.37 ± 1.2** | |
| Ubi::TrGDH-13 | 75.5 ± 2.3 | 32.7 ± 1.6** | 61.6 ± 1.3** | 30.8 ± 0.5** | 32.57 ± 0.9** |
A collection of quantitative data represent the mean values ± SE (n = 20–30). Statistical analysis of the data was performed by t-test. Asterisks indicate significantly differences at p < 0.01 (**).