Table 5. Effect of LC25 of pirimicarb on demographic parameters of S. avenae.
| Demographic Parameter | S. avenae | Statistics | |||
|---|---|---|---|---|---|
| Control | Treatment | P | t | df | |
| Net reproductive rate: R0 | 20.19 ± 2.85 | 19.10 ± 1.39 | 0.648 | 0.504 | 86 |
| Intrinsic rate of increase: rm | 0.18 ± 0.01 | 0.18 ± 0.01 | 0.373 | 0.924 | 86 |
| Mean generation time: T (day) | 16.44 ± 0.74 | 16.01 ± 0.69 | 0.831 | 0.204 | 86 |
| Population doubling time: Dt (day) | 3.79 ± 0.13 | 3.76 ± 0.09 | 0.596 | 0.617 | 86 |
The values (mean ± SD) in bold text are significantly different when compared to their respective control (t-test) at P < 0.05.