Concentrations (spores ml−1) | Larval instars | Mortality percentage | ||||
---|---|---|---|---|---|---|
1 day | 2 days | 3 days | 4 days | 5 days | ||
1 × 106 | L2 | 0.0 | 16.0 a | 50.0a | 76.0a | 85.0a |
L3 | 0.0 | 6.0b | 45.0b | 63.0b | 65.0b | |
L4 | 0.0 | 6.0b | 40.0c | 55.0c | 63.0b | |
L5 | 0.0 | 0.0c | 10.0d | 13.0d | 15.0c | |
1 × 107 | L2 | 16.0 | 53.0a | 60.0a | 93.0a | 95.0a |
L3 | 0.0 | 33.0b | 53.0b | 75.0b | 75.0b | |
L4 | 0.0 | 16.0c | 50.0b | 63.0c | 73.0b | |
L5 | 0.0 | 3.0d | 13.0c | 18.0d | 23.0c | |
1 × 108 | L2 | 23.0 | 65.0a | 83.0a | 96.0a | 96.0a |
L3 | 0.0 | 38.0b | 80.0a | 86.0b | 88.0b | |
L4 | 0.0 | 20.0c | 53.0b | 73.0c | 75.0c | |
L5 | 0.0 | 5.0d | 22.0c | 25.0d | 46.0d | |
1 × 109 | L2 | 30.0 | 75.0a | 90.0a | 97.0a | 99.0a |
L3 | 0.0 | 43.0b | 85.0b | 89.0b | 90.0b | |
L4 | 0.0 | 23.0c | 60.0c | 85.0c | 88.0c | |
L5 | 0.0 | 7.0d | 33.0d | 40.0d | 56.0d | |
Control | L2:5 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |