TABLE 3.
Toxicity of Cry1Ab and Cry1Fa and domain III mutants against different S. frugiperda populations from Mexico and Brazil
| Population | LC50 (fiducial limits) (ng/cm2) fora: |
||||
|---|---|---|---|---|---|
| Cry1Ab | Cry1AbN514A | Cry1AbN514F | Cry1Fa | Cry1FaN507A | |
| Sf-Valle del Fuerte | 1,420 (752–3,730) | 446 (329–636) | 393 (233–755) | 171 (104–347) | 28.7 (24.6–33.5) |
| Sf-La Laguna | 482 (326–802) | 355 (275–474) | 1,250 (694–3,040) | 81.4 (62.8–115) | 50.7 (39.1–68.9) |
| SfS-Mex | 1,590 (744–5,480) | 152 (125–189) | 221 (160–324) | 135 (69.6–428) | 24.5 (16.9–35.5) |
| SfLab-Brazil | 468 (330–763) | 26.4 (0.8–80.5) | 374 (158–1,170) | 149 (81.6–243) | 36.1 (2.4–97.9) |
a
Values are means of at least 3 repetitions; fiducial limits are 95% confidence intervals.