Table 2 Molt inhibitory concentration of susceptible and field population of Spodoptera exigua to Cry1Ac toxin during 2015

L₁

SS

0.04 ± 0.00

0.01–0.03^a

− 0.20X–2.60

1.99

1

0.85

FSD

0.09 ± 0.00

0.01–0.38^ab

− 0.14X–1.47

0.62

2.09

0.99

MLT

0.24 ± 0.03

0.07–0.62^bc

− 0.14X–1.27

0.18

5.36

0.99

BWP

0.56 ± 0.04

0.10–1.10^cd

− 0.15X–1.06

1.54

12.51

0.91

L₂

SS

0.08 ± 0.01

0.03–0.14^a

− 0.12X–1.89

0.07

1

1.00

FSD

0.22 ± 0.04

0.07–0.80^ab

− 0.12X–1.08

1.49

2.83

0.91

MLT

0.62 ± 0.51

0.09–1.41^bc

− 0.13X–0.88

1.10

8.06

0.95

BWP

0.99 ± 0.12

0.33–2.01^cd

− 0.11X–0.60

0.89

12.92

0.97

L₃

SS

0.10 ± 0.07

0.05–0.31^a

− 0.13X–1.72

0.38

1

0.99

FSD

0.49 ± 0.10

0.09–0.81^ab

− 0.12X–0.94

1.49

4.76

0.91

MLT

0.80 ± 0.21

0.21–1.43^bc

− 0.13X–0.73

0.69

7.72

0.98

BWP

1.42 ± 0.41

0.80–3.05^cd

− 0.12X–0.46

0.21

13.66

0.99