Table 2 Effect of different insecticides on life table parameters of Trichogramma chilonis under laboratory condition.
Treatments | n | Intrinsic rate of increase (r) per day (Mean ± S.E) | Finite rate of increase (λ) per day (Mean ± S.E) | Net reproductive rate (R0) offspring (Mean ± S.E) | Mean generation time (T) in day (Mean ± S.E) | Gross reproductive rate (GRR) offspring (Mean ± S.E) | Doubling Time (DT) (Mean ± S.E) |
---|---|---|---|---|---|---|---|
Control | 200 | 0.34 ± 6.70a | 1.41 ± 9.45a | 50.87 ± 3.65a | 11.41 ± 5.57* | 71.56 ± 3.89a | 2.01 ± 3.95 cd |
Bifenthrin | 200 | 0.32 ± 7.42ab | 1.39 ± 1.03ab | 42.74 ± 3.40ab | 11.40 ± 5.62* | 65.09 ± 3.90ab | 2.10 ± 4.78 cd |
Novaluron | 200 | 0.32 ± 7.93abc | 1.38 ± 1.09ab | 39.36 ± 3.34bc | 11.32 ± 6.22* | 64.73 ± 3.97ab | 2.13 ± 5.28bc |
Emamectin Benzoate | 200 | 0.31 ± 8.32bcd | 1.36 ± 1.13bc | 35.51 ± 3.20bcd | 11.41 ± 6.07* | 59.13 ± 4.00bc | 2.21 ± 5.96bc |
Chlorantraniliprole | 200 | 0.30 ± 8.77cde | 1.35 ± 1.18 cd | 31.29 ± 2.98cde | 11.38 ± 6.00* | 53.87 ± 4.56bc | 2.29 ± 6.73ab |
Imidacloprid | 200 | 0.28 ± 9.62ef | 1.32 ± 1.27d | 25.11 ± 2.65ef | 11.43 ± 5.68* | 49.38 ± 4.53 cd | 2.45 ± 8.53a |