Table 1.
Ranking of the 10 VOCs that best distinguish the blends of the control and herbivory treatments as determined by the RF analysis. The compounds are listed in descending order based on decrease in variable importance (E).
| Rank | Compound | VOC class | E |
|---|---|---|---|
| 1 | 2-Methyl butanenitrile | OVOC | 110 |
| 2 | (E)-4,8-Dimethylnona-1,3,7-triene1 | HT | 81.52 |
| 3 | Benzyl nitrile | OVOC | 79.96 |
| 4 | 2-Butanone | OVOC | 76.04 |
| 5 | (E)-β-Ocimene1 | MT | 66.5 |
| 6 | (Z)-4,8-Dimethylnona-1,3,7-triene1 | HT | 63.01 |
| 7 | Linalool1 | MT | 61.33 |
| 8 | 1-Penten-3-ol | OVOC | 58.27 |
| 9 | (Z)-β-Ocimene1 | MT | 57.81 |
| 10 | Unidentified SQT 7 | SQT | 54.99 |
1Compound identification was verified by available pure standards. All compounds were released in significantly higher amounts from infested than control branches.