Table 4 Lethal and sublethal effects of chlorpyrifos on the adults of the Unsel-Lab and CPF-Sel populations of S. Litura.

From: Fitness costs associated with laboratory induced resistance to chlorpyrifos in Spodoptera litura

Concentration

Adult emergence (%)

Deformed adults (%)

Unsel-Lab

CPF-Sel

Unsel-Lab

CPF-Sel

Control

95.78 ± 2.59

86.67 ± 2.22

2.50 ± 2.50

5.36 ± 3.29

LC5

93.06 ± 2.85

84.17 ± 2.62

5.00 ± 3.06

8.21 ± 3.37

LC10

78.25 ± 1.97

85.83 ± 2.03

12.46 ± 3.23

9.05 ± 3.72

LC20

70.71 ± 4.25

71.57 ± 0.91

16.00 ± 2.45

14.67 ± 3.74

LC30

67.62 ± 1.00

71.33 ± 4.42

24.67 ± 2.44

25.67 ± 2.15

LC50

62.00 ± 5.61

57.00 ± 4.90

26.66 ± 3.33

36.66 ± 3.33

Two-way ANOVA summary

 

Adult emergence (%)

Deformed adults (%)

Between populations

F(1,48) = NS

F(1,48) = NS

Between concentrations

F (5,48) = 28.17**

F (5,48) = 19.12**

Conc-Pop interaction

F (5,48) = NS

F (5,48) = NS

  1. Each value represents Mean ± Standard Error of five replicates. NS – Non-significant and **Significant at 1%.
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