Table 3 Pathogenicity of 12 Bt isolates and a reference strain (HD1) against the 3rd instar larvae of D. melanogaster after 24 and 48 h post-treatment
Strain | D. melanogaster (Diptera) | |||||
|---|---|---|---|---|---|---|
24 h | Mortality % | 48 h | Mortality % | |||
LC50 (μg/ml−1) | Slope ± SE | LC50 (μg/ml−1) | Slope ± SE | |||
1 | 25.18 | 0.8 ± 0.9 | 54 | 16.8 | 0.9 ± 0.9 | 60 |
2 | 56.7 | 1.7 ± 0.9 | 42 | 44.4 | 1.7 ± 1.0 | 48 |
3 | 22.1 | 0.4 ± 0.9 | 27 | 445.6 | 0.4 ± 0.9 | 30 |
4 | 31.4 | 1.8 ± 1.0 | 57 | 55.0 | 3.8 ± 1.3 | 61 |
5 | 66.6 | 5.2 ± 1.6 | 70 | 52.6 | 4.0 ± 1.8 | 75 |
6 | 62.5 | 4.8 ± 1.4 | 73 | 54.4 | 5.6 ± 1.6 | 80 |
7 | 125.4 | 0.4 ± 0.9 | 39 | 50.0 | 0.8 ± 0.9 | 50 |
8 | 59.4 | 3.7 ± 1.2 | 39 | 55.4 | 3.5 ± 2.5 | 46 |
9 | 48.1 | 4.2 ± 3.0 | 80 | 54.4 | 5.2 ± 1.6 | 93 |
10 | 55.0 | 4.4 ± 1.3 | 86 | 32.5 | 4.3 ± 1.7 | 86 |
11 | 19.9 | 0.4 ± 0.9 | 51 | 20.2 | 0.8 ± 0.9 | 63 |
12 | 37.8 | 3.0 ± 0.7 | 57 | 19.3 | 0.4 ± 0.9 | 70 |
HD1 | 36.6 | 1.3 ± 0.9 | 51 | 20.2 | 0.8 ± 0.9 | 63 |