Table 3. Grain-related traits measured by SKCS in the selected early flowering lines and their four parental cultivars.
| Line | Hardness index | Weight (mg) | Diameter (mm) | Moisture (%) |
|---|---|---|---|---|
| Yukichikara | 63.8 ± 11.5 | 47.6 ± 5.9 | 3.0 ± 0.2 | 11.1 ± 0.2 |
| SB3#3 | 77.2 ± 13.9 | 36.6 ± 10.0 | 2.7 ± 0.3 | 12.0 ± 0.3 |
| SB11-1#3 | 74.1 ± 13.4 | 39.5 ± 9.7 | 2.8 ± 0.3 | 11.6 ± 0.4 |
| SB11-2#3 | 68.6 ± 12.1 | 46.7 ± 8.1 | 2.9 ± 0.3 | 11.3 ± 0.2 |
| Kitanokaori | 86.8 ± 11.9 | 40.1 ± 5.6 | 2.9 ± 0.2 | 11.8 ± 0.3 |
| SB9#2 | 80.0 ± 10.8 | 41.4 ± 7.4 | 2.8 ± 0.2 | 11.2 ± 0.3 |
| SB16-1#1 | 70.7 ± 12.1 | 54.1 ± 7.0 | 3.1 ± 0.2 | 10.6 ± 0.3 |
| SB16-1#2 | 71.6 ± 12.6 | 55.1 ± 7.5 | 3.1 ± 0.2 | 11.0 ± 0.3 |
| Haruyokoi | 73.7 ± 15.7 | 50.3 ± 7.1 | 3.1 ± 0.3 | 11.5 ± 0.4 |
| SB12#1 | 90.9 ± 12.9 | 42.5 ± 7.8 | 2.8 ± 0.3 | 11.7 ± 0.4 |
| SB13-2#1 | 78.5 ± 12.7 | 45.2 ± 7.8 | 2.8 ± 0.2 | 11.4 ± 0.4 |
| Haruhinode | 88.1 ± 11.2 | 44.5 ± 7.3 | 3.1 ± 0.2 | 11.5 ± 0.3 |
| SB14#3 | 75.0 ± 15.3 | 52.8 ± 9.0 | 3.1 ± 0.3 | 10.7 ± 0.3 |