Table 1 Bioassay of Spilosoma obliqua nucleopolyhedrovirus against S. obliqua
| Number of larvae used | LC50 OBs/mm2 (6th day) | Slope ± SE | Fiducial limits | χ2 | DF | |
|---|---|---|---|---|---|---|
| Lower | Upper | |||||
| 1st instar | ||||||
| 220 | 2.93 | 0.81 ± 0.11 | 0.032 | 1.907 | 0.32 | 3 |
| 2nd instar | ||||||
| 240 | 5.95 | 0.92 ± 0.13 | 2.283 | 11.205 | 1.20 | 3 |
| 3rd instar | ||||||
| 300 | 6.73 | 0.96 ± 0.11 | 2.69 | 13.203 | 2.32 | 3 |