TABLE 4.
Direct test of monogenic inheritance for Cry1C resistance in Cry1C-Sel strain by comparing expected and observed mortality of second instars of the BC progenya
| Conc (mg of AI/liter) | No. of deaths
|
χ2 (df = 1) | P > χ2 | |
|---|---|---|---|---|
| Observed | Expected | |||
| 3.16 | 6 | 4.1 | 1.02 | 0.31 |
| 10 | 11 | 8.4 | 1.12 | 0.29 |
| 31.6 | 13 | 13.0 | 0 | 1 |
| 100 | 17 | 14.5 | 0.83 | 0.36 |
| 200 | 21 | 15.0 | 4.80 | 0.028b |
| 316 | 22 | 15.5 | 5.64 | 0.018b |
| 1,000 | 26 | 16.3 | 12.6 | 0.0004b |
| 3,160 | 28 | 18.1 | 13.7 | 0.0002b |
| 10,000 | 30 | 25.1 | 5.86 | 0.016b |
a
For each concentration, 30 larvae were tested.
b
Observed mortality significantly deviated from the model prediction (P < 0.05).