TABLE 2.
Toxicity of native and recombinant strains of B. sphaericus for C. quinquefasciatus
| Straina | Toxicity (ng/ml) against C. quinquefasciatus (95% CL)c
|
Resistance ratiob | |||
|---|---|---|---|---|---|
| Susceptible colony
|
Resistant colony
|
||||
| LC50 | LC90 | LC50 | LC90 | ||
| 2297 | 7.52 | 59.6 | >1 × 105 | >1 × 105 | 18,300 |
| (6.21-9.23) | (39.4-109) | ||||
| 2297-pBU4 | 5.64 | 14.9 | >1 × 105 | >1 × 105 | 18,200 |
| (4.68-6.62) | (12.0-20.7) | ||||
| 2297-pBbC | 5.96 | 67.0 | 23.2 | 54.7 | 3.90 |
| (4.73-8.00) | (36.9-172) | (19.9-27.0) | (44.5-74.1) | ||
a
Final whole cultures of native and recombinant strains.
b
The resistance ratio at the LC50 is shown.
c
95% CL, 95% confidence limit.