TABLE 4.
Activities of thuringiensin from strain CT-43 and BMB0542 against H. armigera, P. xylostella, M. domestica, and M. incognita
The second stage juveniles of H. armigera, P. xylostella, M. domestica, and M. incognita were tested, and LC50 values were determined on day 6.
| Origin of thuringiensin | Insect name | Regression equation | LC50a | S.E. |
|---|---|---|---|---|
| μg/ml | ||||
| Strain CT-43 | H. armigera | y = −0.85314 + 0.66321x | 19.3 | 0.15063 |
| Strain CT-43 | P. xylostella | y = 0.06337 + 1.09866x | 0.9 | 0.31076 |
| Strain CT-43 | M. domestica | y = −5.11486 + 3.04741x | 47.7 | 1.46069 |
| Strain CT-43 | M. incognita | y = −3.74985 + 2.66451x | 25.5 | 1.67528 |
| Strain BMB0542 | H. armigera | y = −1.17306 + 0.85965x | 23.2 | 0.15729 |
| Strain BMB0542 | P. xylostella | y = −0.09482 + 1.30222x | 1.2 | 0.23255 |
| Strain BMB0542 | M. domestica | y = −2.19691 + 1.29870x | 49.2 | 0.96294 |
| Strain BMB0542 | M. incognita | y = −0.62790 + 0.45646x | 23.7 | 0.75605 |
a Water was used as the negative control.