TABLE 3.
Median inhibitory concentrations and 95% confidence limits based on larval size assessed in dose-response assays against fall armyworms, Spodoptera frugiperda
| Protein | No. of insectsa | Mean slope ± SE | IC50 (ng/cm2) (95% CI)b | sy.xc | dfd | R2 |
|---|---|---|---|---|---|---|
| Cry1Da_7 | 479 | 1.779 ± 0.242 | 193 (162–229) | 44.49 | 477 | 0.42 |
| Cry1B.868 | 399 | 1.165 ± 0.186 | 801 (599–1,073) | 50.42 | 397 | 0.30 |
| Cry1A.105 | 431 | 0.668 ± 0.334 | 186 (50–701) | 48.79 | 427 | 0.30 |
| Cry1F.842 | 321 | 0.694 ± 0.075 | 1.8 (1.3–2.4) | 30.89 | 319 | 0.55 |
| Cry2Ab | 379 | 0.677 ± 0.089 | 361 (247–527) | 46.44 | 377 | 0.26 |
| Vip3A | 504 | 2.149 ± 0.281 | 1,199 (1,050–1,370) | 39.1 | 502 | 0.51 |
a
Total number of insects evaluated.
b
IC50, concentration necessary to reduce larval growth by 50%; CI, confidence interval.
c
Standard deviation of the residuals calculated by GraphPad Prism.
d
df, degree of freedom.