Table 4.
Effect of crystal protein Cry5Ba, Bmp1 protein, and Cry5Ba-Bmp1 on the mortality of C. elegans
| Toxin (ratio) | Toxicity |
|||
|---|---|---|---|---|
| Regression coefficient | LC50 (μg/ml)a |
SFb | ||
| Observed | Expected | |||
| Cry5Ba | 0.9517 | 226.67 (180.66–290.72) | ||
| Bmp1 | 0.9861 | 610.61 (579.99–893.44) | ||
| Cry5Ba-Bmp1 (1:1) | 0.9477 | 113.355 (90.82–213.36) | 384.30 | 3.39 |
| Cry5Ba-Bmp1 (1:2) | 0.9915 | 46.87 (58.63–73.34) | 333.62 | 7.12 |
| Cry5Ba-Bmp1 (1:3) | 0.9429 | 37.50 (23.46–42.88) | 297.94 | 7.95 |
| Cry5Ba-Bmp1 (1:4) | 0.9614 | 30.52 (25.18–36.98) | 210.05 | 6.88 |
| Cry5Ba-Bmp1 (1:8) | 0.9654 | 45.09 (35.99–56.51) | 133.26 | 2.96 |
a
The 95% confidence intervals determined by probit analysis are given in parentheses. Expected LC50 values were calculated using the equation of Tabashnik (28).
b
SF, synergistic factor.