Treatment | Per cent larval mortality after time intervals | % reduction over control | ||
---|---|---|---|---|
48 h | 72 h | Pooled mortality | ||
T1* (15 gms/l) (7.5 × 105 IJs) | 39.85 (39.42)b | 4.00 (12.19)b | 43.85 (41.74)b | 41.78 (40.25)a |
T2** (15 gms/l) (7.5 × 105 IJs) | 51.59 (46.24)c | 6.64 (15.42)c | 58.24 (50.12)c | 56.71 (48.93)b |
T3* (20 gms/l) (1.0 × 106 IJs) | 53.98 (47.64)c | 9.65 (18.51)d | 63.64 (53.40)c | 62.30 (52.30)b |
T4** (20 gms/l) (1.0 × 106 IJs) | 62.13 (52.39)d | 10.16 (19.02)d | 72.29 (58.82)d | 71.27 (57.84)c |
T5* (25 gms/l) (1.25 × 106 IJs) | 64.73 (53.94)d | 10.80 (19.59)d | 75.53 (60.84)d | 74.64 (59.91)c |
T6** (25 gms/l) (1.25 × 106 IJs) | 73.38 (59.31)e | 12.89 (21.17)de | 86.27 (68.96)e | 85.77 (68.11)d |
T7 (Untreated control) | 3.56 (10.78)a | 0.00 (4.05)a | 3.56 (10.78)a | – |
CD(0.05) | 4.14 | 2.32 | 4.60 | 5.29 |
CV(5%) | 44.95 | 61.21 | 44.42 | 24.27 |