Table 1. Susceptibility of Diatraea flavipennella and Elasmopalpus lignosellus neonate larvae to proteins Cry1 and Vip3.
| Insect | Protein | LC50 (CI min–max)b | b ± SEa | Chi-square |
|---|---|---|---|---|
| D. flavipennella | Cry1Aa | 106 (58.2–181)* | 1.31 ± 0.17 | 6.72 |
| Cry1Ac | 8.60 (3.40–13.5) | 1.85 ± 0.26 | 8.04 | |
| Cry1Ca | 64.0 (38.5–102)* | 0.84 ± 0.13 | 2.70 | |
| Vip3Aa | 495 (329–1,150) | 1.66 ± 0.51 | 1.08 | |
| Vip3Ca | >2,000 | NDc | ND | |
| E. lignosellus | Cry1Aa | 73.6 (40.8–131)** | 0.50 ± 0.41 | 16.94 |
| Cry1Ac | 15.6 (9.30–24.6) | 0.76 ± 0.53 | 19.02 | |
| Cry1Ca | 36.1 (20.9–61.3)** | 0.68 ± 0.54 | 17.56 | |
| Vip3Aa | 49.9 (28.7–84.2)** | 0.65 ± 0.46 | 21.61 | |
| Vip3Ca | 481 (315–772) | 0. 57 ± 0.44 | 8.11 |
Notes.
The values represent the mean of three replicates with 16 larvae per replicate (n = 48).
a
Line angular coefficient and Standard error.
b
Values expressed in ng/cm2 with confidence interval (CI 95%).
c
Undetermined.
* and ** non significative difference among LC50.