Table 3 Baseline susceptibility of Helicoverpa armigera
Helicoverpa armigera | No. populations | Min | Max |
|---|---|---|---|
EC50 incorporation (µg/l) | |||
 Cry1Ab | 14 | 2 | 1140 |
 Cry1Ac | 177 | 0.3 | 3000 |
 Cry2Ab | 47 | 100 | 3400 |
 Cry2Ab2 | 29 | 10 | 8720 |
EC50 diet surface (ng/cm2) | |||
 Cry1Ab | 8 | 390 | 1300 |
 Cry2Ab | 13 | 140 | 600 |
LC50 incorporation (µg/l) | |||
 Cry1Ab | 11 | 54 | 1990 |
 Cry1Ac | 236 | 8.5 | 16,710 |
 Cry2Ab | 48 | 2140 | 34,260 |
 Cry2Ab2 | 14 | 5120 | 50,710 |
LC50 diet surface (ng/cm2) | |||
 Cry1Ac | 49 | 0.031 | 207 |
 Cry2Ab | 33 | 22 | 420.2 |
LC50 leaf surface (µg/l) | |||
 Cry1Ac | 13 | 52 | 1095 |