Table 1. Synergistic effects between Cry1Ac and Cry1Ie toxins on ACB.
| ACB-strain | Toxins proportions (Cry1Ac:Cry1Ie) | LC50 (95%FL) (μg/g) | Expected LC50 (μg/g) | SF | χ2 |
|---|---|---|---|---|---|
| ACB-BtS | 0.17:0.83 | 6.13 (4.20–8.34) | 13.93 | 2.3 | 66.747 |
| 0.33:0.67 | 2.85 (1.92–3.79) | 8.83 | 3.1 | 42.951 | |
| 0.50:0.50 | 1.43 (0.97–1.96) | 6.46 | 4.5 | 47.116 | |
| 0.67:0.33 | 2.28 (1.88–2.71) | 5.09 | 2.2 | 36.012 | |
| 0.83:0.17 | 0.80 (0.65–0.97) | 4.21 | 5.3 | 40.859 | |
| 1:0 | 3.58 (3.11–4.08) | – | – | 24.247 | |
| 0:1 | 32.97 (24.03–43.43) | – | – | 47.467 | |
| ACB-AcR | 0.17:0.83 | 86.27 (72.52–100.05) | 59.88 | 0.6N | 14.457 |
| 0.33:0.67 | 63.73 (52.32–75.38) | 73.53 | 1.2N | 23.621 | |
| 0.50:0.50 | 74.90 (52.07–100.00) | 96.15 | 1.3N | 48.133 | |
| 0.67:0.33 | 32.74 (23.09–42.20) | 136.99 | 4.2 | 28.667 | |
| 0.83:0.17 | 42.50 (34.39–50.36) | 243.90 | 5.7 | 8.529 | |
| 1:0 | >1000 | – | – | – | |
| 0:1 | 50.2 9(40.47–61.08) | – | – | 41.664 | |
| ACB-IeR | 0.17:0.83 | 19.09 (15.530–23.11) | 37.59 | 2.0 | 34.692 |
| 0.33:0.67 | 5.47 (4.15–7.06) | 20.83 | 3.8 | 49.292 | |
| 0.50:0.50 | 5.83 (4.27–7.62) | 14.29 | 2.5 | 53.200 | |
| 0.67:0.33 | 5.36 (3.09–7.68) | 10.99 | 2.1 | 47.706 | |
| 0.83:0.17 | 3.24 (2.37–4.31) | 8.85 | 2.7 | 42.408 | |
| 1:0 | 7.43 (6.15–8.71) | – | – | 22.438 | |
| 0:1 | >200 | – | – | – | |
| ACB-FR | 0.17:0.83 | 25.55 (21.81–29.53) | 42.92 | 1.7 | 29.077 |
| 0.33:0.67 | 21.48 (18.70–24.35) | 32.36 | 1.5 | 12.321 | |
| 0.50:0.50 | 14.19 (11.43–17.16) | 25.97 | 1.8 | 38.739 | |
| 0.67:0.33 | 4.83 (4.00–5.76) | 21.74 | 4.5 | 45.239 | |
| 0.83:0.17 | 9.14 (7.92–10.43) | 18.66 | 2.0 | 15.086 | |
| 1:0 | 16.35 (12.35–20.42) | – | – | 42.338 | |
| 0:1 | 63.52 (49.34–78.29) | – | – | 43.428 |
SF: synergism factor;
N: no synergism effect