Table 2 Corrected mortality percentage of Ephestia cautella larvae treated with Bacillus thuringiensis at different exposure periods
Concentrations | Mortality % of E. cautella larvae after exposure periods | |||
|---|---|---|---|---|
3 days | 5 days | 7 days | 14 days | |
2.0 × 108 | 6.67 d | 17.59 d | 31.50 d | 44.59 d |
2.0 × 109 | 16.33 c | 22.33 c | 42.17 c | 52.00 c |
2.0 × 1010 | 26.17 b | 28.17 b | 56.00 b | 63.17 b |
2.0 × 1011 | 30.50 a | 36.00 a | 68.88 a | 72.50 a |
L.S.D | 4.0024 | 4.3662 | 4.912 | 5.2759 |
Pr | < .0001 | < .0001 | < .0001 | < .0001 |