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Table 4 Direct test of monogenic inheritance of resistance to acetamiprid by comparing expected and observed mortality of the backcross (F1♀ × Lab-PK ♂) of Chrysoperla carnea

From: Genetics, cross-resistance and realized heritability of resistance to acetamiprid in generalist predator, Chrysoperla carnea (Steph.) (Neuroptera: Chrysopidae)

Concentration (μg mL−1)Number of larvae testedObserved mortalityExpected mortalityax2(df = 1)Pb
1000800.0750.69175.52<0.001
2000800.200.72203.02<0.001
4000800.350.82357.53<0.001
8000800.620.88550.04<0.001
  1. aExpected mortality at given dose = 0.5 (total number of F1 larvae killed + number of Aceta-SEL larvae killed)/no. exposed in backcross
  2. bProbability values were considered significantly different at p < 0.05