| Treatment | Dead heart* | Number* | |
| Caterpillars | Pupae | ||
| RB72454 (MR) | 0 | 0 | 0 |
| RB72454 (MR) + Si | 0 | 0 | 0 |
| SP801842 (S) | 2 | 1 | 3 |
| SP801842 (S) + Si | 1 | 1 | 2 |