Treatment | Per cent larval mortality during 2017 after time intervals | Percent larval mortality during 2018 after time intervals | ||||
---|---|---|---|---|---|---|
48 h | 72 h | Cumulative mortality | 48 h | 72 h | Cumulative mortality | |
T1* (15 gms/l) (7.5 × 105 IJs) | 43.47 (41.53)b | 3.09 (10.85)b | 46.57 (43.60)b | 36.22 (37.25)b | 4.90 (13.33)b | 41.13 (40.43)b |
T2** (15 gms/l) (7.5 × 105 IJs) | 57.12 (49.58)c | 6.34 (15.12)c | 63.47 (53.84)c | 46.05 (43.00)b | 6.95 (15.35)b | 53.00 (47.31)b |
T3* (20 gms/l) (1.0 × 106 IJs ) | 54.92 (48.15)c | 10.45 (19.24)d | 65.37 (54.69)c | 53.04 (47.36)bc | 8.85 (17.53)bc | 61.90 (53.20)bc |
T4** (20 gms/l) (1.0 × 106 IJs ) | 65.52 (54.46)cd | 10.75 (19.57)d | 76.28 (61.91)d | 58.74 (50.45)c | 9.56 (18.41)c | 68.31 (56.84)c |
T5* (25 gms/l) (1.25 × 106 IJs) | 68.01 (56.23)d | 11.69 (20.32)d | 79.70 (64.68)d | 61.45 (52.07)c | 9.91 (18.74)c | 71.37 (58.95)c |
T6** (25 gms/l) (1.25 × 106 IJs) | 77.62 (62.44)e | 12.49 (20.89)d | 90.12 (73.69)e | 69.14 (56.71)cd | 13.28 (21.31)c | 82.43 (66.93)d |
T7 (Untreated control) | 3.69 (11.67)a | 0.00 (4.05)a | 3.69 (12.39)a | 3.43 (11.37)a | 0.00 (4.05)a | 4.43 (12.10)a |
CD(0.05) | 5.49 | 2.27 | 6.66 | 6.41 | 3.74 | 7.55 |
CV(5%) | 48.11 | 64.28 | 48.40 | 48.46 | 65.83 | 47.87 |