Table 1.
Comparative analysis of the length of each internode and the stem diameter of each internode in 120 CNDH population and their parents “Cheongcheong” and “Nagdong”.
| Plant Traits | Year | Parents | DH Population | |
|---|---|---|---|---|
| Cheongcheong | Nagdong. | |||
| LP (cm) | 2019 | 21.9 ± 1.0 | 18.6 ± 1.1 | 19.5 ± 2.4 |
| 2020 | 21.5 ± 0.7 | 20.6 ± 2.2 | 19.5 ± 2.5 | |
| LUI (cm) | 2019 | 32.5 ± 1.1 | 30.8 ± 1.3 | 30.1 ± 5.2 |
| 2020 | 31.2 ± 0.5 | 30.8 ± 2.6 | 30.0 ± 5.3 | |
| LSI (cm) | 2019 | 18.6 ± 1.2 | 16.9 ± 1.4 | 16.6 ± 4.2 |
| 2020 | 18.3 ± 0.6 | 15.9 ± 1.1 | 16.7 ± 4.3 | |
| LTI (cm) | 2019 | 13.7 ± 1.1 | 11.4 ± 1.2 | 12.2 ± 3.8 |
| 2020 | 14.8 ± 1.1 | 12.1 ± 1.8 | 12.1 ± 3.7 | |
| LFI (cm) | 2019 | 7.8 ± 1.0 | 4.5 ± 0.2 | 6.8 ± 3.8 |
| 2020 | 9.4 ± 0.6 | 5.3 ± 1.3 | 6.6 ± 3.7 | |
| LLI (cm) | 2019 | 2.8 ± 0.5 | 2.4 ± 0.3 | 2.1 ± 2.4 |
| 2020 | 3.5 ± 0.5 | 2.1 ± 0.3 | 2.0 ± 2.4 | |
| SDUI (mm) | 2019 | 2.5 ± 0.4 | 1.4 ± 0.1 | 2.1 ± 0.45 |
| 2020 | 2.4 ± 0.2 | 1.8 ± 0.3 | 2.1 ± 0.45 | |
| SDSI (mm) | 2019 | 4.5 ± 0.3 | 3.0 ± 0.1 | 3.6 ± 0.6 |
| 2020 | 4.3 ± 0.5 | 3.3 ± 0.3 | 3.5 ± 0.6 | |
| SDTI (mm) | 2019 | 6.0 ± 0.5 | 4.0 ± 0.2 | 4.3 ± 0.7 |
| 2020 | 5.9 ± 0.4 | 4.4 ± 0.4 | 4.3 ± 0.7 | |
| SDFI (mm) | 2019 | 6.6 ± 0.4 | 4.8 ± 0.2 | 4.9 ± 0.7 |
| 2020 | 6.7 ± 0.2 | 4.8 ± 0.4 | 4.9 ± 0.7 | |
| SDLI (mm) | 2019 | 6.8 ± 0.3 | 5.0 ± 0.2 | 4.9 ± 0.7 |
| 2020 | 6.8 ± 0.1 | 5.0 ± 0.6 | 5.1 ± 0.8 | |
Data are presented as mean ± standard deviation. CNDH, Cheongcheong/Nagdong doubled haploid; LP, length of the panicle; LUI, length of the uppermost internode; LSI, length of the second internode; LTI, length of the third internode; LFI, length of the fourth internode; LLI, length of the lowest internode; SDUI, stem diameter at the uppermost internode; SDSI, stem diameter at the second internode; SDTI, stem diameter at the third internode; SDFI, stem diameter at the fourth internode; SDLI, stem diameter at lowest internode.