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. 2019 Aug 1;85(16):e00579-19. doi: 10.1128/AEM.00579-19

TABLE 3.

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

Protein No. of insectsa Mean slope ± SE IC50 (ng/cm2) (95% CI)b sy.xc dfd R2
Cry1Da_7 479 1.779 ± 0.242 193 (162–229) 44.49 477 0.42
Cry1B.868 399 1.165 ± 0.186 801 (599–1,073) 50.42 397 0.30
Cry1A.105 431 0.668 ± 0.334 186 (50–701) 48.79 427 0.30
Cry1F.842 321 0.694 ± 0.075 1.8 (1.3–2.4) 30.89 319 0.55
Cry2Ab 379 0.677 ± 0.089 361 (247–527) 46.44 377 0.26
Vip3A 504 2.149 ± 0.281 1,199 (1,050–1,370) 39.1 502 0.51
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.