Table 4 Mean (± SE) life table parameters of Tuta absoluta treated with different sub-lethal concentrations of Metarhizium anisopliae (DEMI 001 strain)
Parameters | Treatments | |||
|---|---|---|---|---|
Control | LC10 | LC20 | LC30 | |
Net reproductive rate (R0) (offspring) | 49.35 ± 0.24a | 38.07 ± 0.19b | 25.59 ± 0.10c | 15.43 ± 0.09c |
Gross reproduction rate (GRR) (offspring) | 150.28 ± 0.54a | 130.52 ± 0.47ab | 113.39 ± 0.51ab | 96.85 ± 0.70b |
Intrinsic rate of increase (rm) (day−1) | 0.140 ± 0.0002a | 0.130 ± 0.0003b | 0.113 ± 0.0001c | 0.087 ± 0.0002d |
Finite rate of increase (λ) (day−1) | 1.15 ± 0.0002a | 1.14 ± 0.0003b | 1.12 ± 0.0002c | 1.09 ± 0.0002d |
Mean generation time (T) (day) | 27.84 ± 0.01a | 28.01 ± 0.04a | 28.68 ± 0.02a | 30.15 ± 0.03b |
Doubling time (day) | 4.95 ± 0.01a | 5.33 ± 0.01a | 6.13 ± 0.01b | 7.64 ± 0.01c |