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 deathsχ2 (df = 1)P > χ2
ObservedExpected
3.1664.11.020.31
10118.41.120.29
31.61313.001
1001714.50.830.36
2002115.04.800.028b
3162215.55.640.018b
1,0002616.312.60.0004b
3,1602818.113.70.0002b
10,0003025.15.860.016b
  • a For each concentration, 30 larvae were tested.

  • b Observed mortality significantly deviated from the model prediction (P < 0.05).