Table 3.
Mosquitocidal activities of the recombinant B. thuringiensis strains producing Cry30 and Cry60 protoxins
| Strain | Toxin composition | LC (μg/ml)a |
Mean slope ± SEM | |
|---|---|---|---|---|
| LC50 | LC95 | |||
| 4Q7(pPFT60A) | Cry60Aa | 7.9 (4.3–24.8) | 569.5 (104.9–29,850.5) | 0.9 ± 0.2 |
| 4Q7(pPFT60B) | Cry60Ba | 5.5 (3.8–9.3) | 70.3 (30.1–358.1) | 1.5 ± 0.3 |
| 4Q7(pPFT60AB) | Cry60Aa+Cry60Ba | 2.9 (1.8–5.6) | 166.6 (46.9–2,226.5) | 0.9 ± 0.2 |
| 4Q7(pST30C) | Cry30Ca | NTb | NT | NT |
| 4Q7(pST30CORF2) | Cry30Ca+ORF2 | NT | NT | NT |
a
Values are shown in μg of spore-crystal mixture per ml. Confidence limits are indicated in parentheses.
b
NT, not toxic at 200 μg/ml.