Table 2.
The contributions (in percentage) of the variables to the principal components at both locations.
| PC1 | PC2 | PC3 | PC4 | PC5 | |
|---|---|---|---|---|---|
| Alanine | 6.765 | 4.495 | 0.585 | 1.187 | 1.068 |
| Sarcosine | 10.274 | 0.019 | 0.545 | 0.836 | 3.513 |
| 2-ethylhexanoic acid | 0.795 | 5.703 | 3.988 | 0.306 | 16.973 |
| Pyrrole-2-carboxylic acid | 8.908 | 1.264 | 0.490 | 0.035 | 0.724 |
| Hydroquinone | 8.594 | 1.150 | 0.000 | 0.481 | 0.833 |
| Lactic acid dimer | 1.002 | 0.874 | 1.002 | 3.682 | 1.314 |
| Glutaric acid | 7.261 | 0.779 | 1.434 | 10.164 | 1.215 |
| 2-methylmalic acid | 3.209 | 0.204 | 1.955 | 14.184 | 2.735 |
| Decanoic acid | 5.810 | 4.935 | 0.602 | 4.949 | 0.100 |
| Maleamic acid | 3.111 | 1.410 | 4.615 | 1.705 | 5.549 |
| Tropic acid | 4.242 | 0.119 | 0.194 | 14.186 | 0.169 |
| 2-methylaminomethyltartronic acid | 1.297 | 3.639 | 19.472 | 0.458 | 1.515 |
| 1,4-lactonearabinonic acid | 9.316 | 6.009 | 1.164 | 0.587 | 0.028 |
| trans-1,2-cyclohexanedicarboxylic acid | 2.585 | 4.775 | 8.674 | 3.902 | 0.045 |
| 4-hydroxyphenylacetonitrile | 6.637 | 1.940 | 1.346 | 0.071 | 0.213 |
| 4-hydroxybenzoic acid | 7.872 | 0.781 | 1.645 | 1.925 | 0.020 |
| Cembrene | 8.453 | 0.113 | 1.425 | 2.576 | 3.984 |
| 9-(Z)-hexadecenoic acid | 0.367 | 9.357 | 18.882 | 0.370 | 5.535 |
| Glycyl proline | 0.328 | 6.086 | 0.070 | 12.346 | 2.633 |
| Heptadecanoic acid | 0.593 | 10.605 | 18.170 | 0.300 | 4.567 |
| Sophorose | 0.216 | 16.059 | 3.712 | 1.493 | 1.970 |
| 2-deoxyguanosine | 0.872 | 0.002 | 0.257 | 17.515 | 5.524 |
| Secologanin | 0.130 | 1.619 | 2.947 | 1.579 | 14.717 |
| (3α,5β)-3,21-dihydroxypregnane-11,20-dione | 0.018 | 16.913 | 4.944 | 0.088 | 0.048 |
| Varietal resistance to FHB | 1.345 | 1.149 | 1.883 | 5.073 | 25.005 |