TABLE 1.
Summary of effects of P. luminescens cell-freea culture broth injected into newly molted fourth-instar M. sexta larvae
| Strain | Sampleb | % Mortality |
|---|---|---|
| NC-19 | 19 h | 0 |
| 24 h | 50 | |
| 48 h | 33 | |
| 72 h | 67 | |
| 72 h, heated at 60°C for 15 min | 0 | |
| Hm | 19 h | 0 |
| 24 h | 83 | |
| 48 h | 100 | |
| 72 h | 92 | |
| 72 h, heated at 60°C for 15 min | 50 | |
| >30-kDa fraction | 100 | |
| <30-kDa fraction | 16 | |
| W-14 | 48 h | 100 |
| Control | 2% PP3 broth | 0 |
A 2-μm-pore-size filter was employed.
Each larva was injected with 5 μl of sample broth; n = 12 larvae for each sample group.