TABLE 3

Median inhibitory concentrations and 95% confidence limits based on larval size assessed in dose-response assays against fall armyworms, Spodoptera frugiperda

ProteinNo. of insectsaMean slope ± SEIC50 (ng/cm2) (95% CI)bsy.xcdfdR2
Cry1Da_74791.779 ± 0.242193 (162–229)44.494770.42
Cry1B.8683991.165 ± 0.186801 (599–1,073)50.423970.30
Cry1A.1054310.668 ± 0.334186 (50–701)48.794270.30
Cry1F.8423210.694 ± 0.0751.8 (1.3–2.4)30.893190.55
Cry2Ab3790.677 ± 0.089361 (247–527)46.443770.26
Vip3A5042.149 ± 0.2811,199 (1,050–1,370)39.15020.51
  • a Total number of insects evaluated.

  • b IC50, concentration necessary to reduce larval growth by 50%; CI, confidence interval.

  • c Standard deviation of the residuals calculated by GraphPad Prism.

  • d df, degree of freedom.