Table 2 Quantitative parameters from concentration-mortality responses (at 7 days) of Vip3Af1(WT) partially purified by isoelectric point precipitation on S. frugiperda and A. segetum.

From: Critical amino acids for the insecticidal activity of Vip3Af from Bacillus thuringiensis: Inference on structural aspects

Lepidopteran species

Regression line

LC50 (ng/cm2)

95% FL

Goodness of fit value χ2

Slope ± SE

A* ± SE

Lower

Upper

S. frugiperda

1.0 ± 0.1

4.2 ± 0.1

7.6

4.9

11.0

4.3

A. segetum

0.9 ± 0.1

3.5 ± 0.3

35.2

19.1

58.9

4.8

  1. FL: Fiducial limits.
  2. *a: intercept.