Table 3.
Development duration and population parameters of Tetranychus cinnabarinus and Tetranychus urticae at different temperatures
| Temperature (°C) | Mite | Development duration (mean ± SE, days) | Population parameter | Relative fitness R f | |||
|---|---|---|---|---|---|---|---|
| R 0 | r m | T | t | ||||
| 16 | Tc‐YN | 36.0 ± 1.2 | 35.56 | 0.08 | 46.76 | 9.08 | – |
| Tu‐YN | 31.5 ± 0.5a | 51.35 | 0.09 | 43.13 | 7.59 | 1.44 | |
| 26 | Tc‐YN | 11.1 ± 0.1 | 155.83 | 0.22 | 22.53 | 3.09 | – |
| Tu‐YN | 10.2 ± 0.1a | 140.47 | 0.24 | 20.29 | 2.84 | 0.90 | |
| 33 | Tc‐YN | 6.0 ± 0.1 | 104.73 | 0.39 | 11.95 | 1.78 | – |
| Tu‐YN | 6.4 ± 0.1a | 58.00 | 0.37 | 11.02 | 1.88 | 0.55 | |
R 0, Net reproduction rate; r m, Intrinsic rate of increase; T, Mean generation length (days); t, Population doubling time (days).
a
The data within a column under the same temperature condition are significantly different (p < .05).