TABLE 2.
Bioassay of Bt GS57 isolates against the neonates of Spodoptera exigua.
| Bt isolate | Regression equation | Value of LC50 (mg mL–1) | 95% Confidence interval (mg mL–1) |
| Bt GS57 | y = 0.724 + 1.539x | 0.339 | 0.178∼0.459 |
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