Table 1 Synergism of sofalcone on the toxicity of insecticides against susceptible and resistant strains of S. exigua

From: Inhibition of transcriptional regulation of detoxification genes contributes to insecticide resistance management in Spodoptera exigua

Strains

Insecticides

LC50: mgAI/L (95% FL)

Slope ± SE

χ2 (df)

RR

SR

Sus

Chlorpyrifos

1.880 (1.193～3.378)

1.276 ± 0.316

0.448 (3)

  
 

Chlorpyrifos + Sofalcone

1.209 (0.746～2.234)

1.079 ± 0.236

0.682 (3)

 

1.55

Res

Chlorpyrifos

1839.510 (1189.636～4129.388)

1.333 ± 0.339

1.693 (3)

978

 
 

Chlorpyrifos + Sofalcone

547.179 (358.932～809.619)

1.365 ± 0.243

1.382 (3)

291

3.36*

Sus

Lambda-Cyhalothrin

1.515 (1.000～2.327)

1.468 ± 0.315

0.559 (3)

  
 

Lambda-Cyhalothrin + Sofalcone

1.066 (0.604～1.854)

1.120 ± 0.293

0.107 (3)

 

1.42

Res

Lambda-Cyhalothrin

2010.017 (1465.072～2827.967)

1.855 ± 0.325

0.405 (3)

1327

 
 

Lambda-Cyhalothrin + Sofalcone

571.217 (305.809～1210.014)

0.764 ± 0.176

0.365 (3)

377

3.52*

  1. RR resistance ratio, SR synergistic ratio, Sus susceptible strain, Res resistant strain.
  2. *Significant difference with insecticide only without synergist.
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