Table 2.
Principal component analysis for indolic glucosinolate contents and the relative expression level of transcription factor-related genes in four cabbage lines of B. oleracea. PC, principal component; p, statistical significance; SD, standard deviation.
| Variable | PC1 | PC2 |
|---|---|---|
| 4HGBS | −0.24 | −0.29 |
| MGBS | 0.13 | 0.26 |
| NGBS | −0.11 | 0.46 |
| MYB34 (Bol017062) | −0.06 | 0.53 |
| MYB34 (Bol007760) | 0.52 | −0.15 |
| MYB34 (Bol036262) | 0.31 | 0.43 |
| MYB51 (Bol013207) | 0.41 | 0.19 |
| MYB51 (Bol030761) | 0.54 | −0.14 |
| MYB122 (Bol015939) | −0.28 | 0.28 |
| %variation explained | 34.3 | 31.0 |
| p (genotype) | <0.001 | <0.001 |
| Genotype | Mean PC Scores (±SD) | |
| BN3273 | −1.71 ± 0.23 | −2.17 ± 0.38 |
| BN3383 | 0.25 ± 0.20 | 0.86 ± 0.51 |
| BN4059 | 2.64 ± 0.44 | −0.63 ± 0.23 |
| BN4072 | −1.17 ± 0.17 | 1.94 ± 0.81 |