Table 1. Susceptibility of various strains of H. armigera and H. punctigera to Vip3A, Cry2Ab and Cry1Ac.
| Species | Vip3A genotype | Colony | Toxin | Slope | LC50 ug/cm2±95% CI |
| H. armigera | Susceptible (SS) | GR | Vip3A | 1.82 | 0.551±0.37–0.765 |
| Cry2Ab | 1.35 | 0.030±0.019–0.049 | |||
| Cry1Ac | 1.42 | 0.010±0.0064–0.015 | |||
| Resistant (RR) | SP477 | Vip3A | * | * | |
| Cry2Ab | 1.52 | 0.0053±0.0033–0.0073 | |||
| Cry1Ac | 1.64 | 0.0166±0.0104–0.0254 | |||
| SP85 | Vip3A | * | * | ||
| Cry2Ab | 0.95 | 0.0077±0.0029–0.0145 | |||
| Cry1Ac | 2.03 | 0.0087±0.0059–0.0196 | |||
| Heterozygote (RS) | GR♀ X SP85♂ | Vip3A | 1.92 | 0.566±0.414–0.736 | |
| SP85♀ X GR♂ | Vip3A | 2.10 | 1.473±1.192–1.816 | ||
| H. punctigera | Susceptible (SS) | LHP | Vip3A | 1.77 | 0.594±0.195–0.984 |
| Cry2Ab | 1.38 | 0.0271±0.0059–0.0588 | |||
| Cry1Ac | 0.95 | 0.0362±0.0103–0.0825 | |||
| Resistant (RR) | Hp8–48 | Vip3A | * | * | |
| Cry2Ab | 2.17 | 0.0456±0.0022–0.0724 | |||
| Cry1Ac | 2.29 | 0.1172±0.0814–0.1601 | |||
| Heterozygote (RS) | LHP♀ X Hp8–48♂ | Vip3A | 1.56 | 1.340±0.26–2.396 | |
| Hp8–48♀ X LHP♂ | Vip3A | 1.76 | 1.382±0.694–2.085 |
*
LC50 and slope could not be calculated as there was no increase in mortality at the maximum titre tested (128 ug/cm2).