Table 4.
Insecticidal activity of eCry3.1Ab and mCry3A against CPB at 120 h after treatment
| Test protein | Protein concn. (µg/ml) | % Mortality (observed)a | % Mortality (expected) |
|---|---|---|---|
| eCry3.1Ab | 4 | 46.3 | N/A |
| 2 | 38.8 | ||
| 1 | 40.3 | ||
| 0.5 | 29.9 | ||
| 0.25 | 17.9 | ||
| mCry3A | 4 | 41.8 | N/A |
| 2 | 46.3 | ||
| 1 | 20.9 | ||
| 0.5 | 25.4 | ||
| 0.25 | 23.9 | ||
| Test mixtureb | X | 53.8 | 73.1 |
| X/2 | 52.3 | 74.4 | |
| X/4 | 38.8 | 51.6 | |
| X/8 | 23.9 | 43.2 | |
| X/16 | 20.9 | 39.8 |
a
All the data were corrected for control mortality using Abbott’s formula.
b
The test mixture X was composed of 4 μg/ml diet of eCry3.1Ab plus 4 μg/ml diet of mCry3A, as described in the Methods section.