Table 3.
Estimate of heritability (h2) to deltamethrin resistance in survivors of T. infestans after insecticide application under laboratory conditions
| No of generations selected |
Estimation of mean selection response per generation | Estimation of mean selection differential per generation | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Initial log LD50 | Final log LD50 | Response to selection (R) | i | Initial slope |
Final slope |
σp | Selection differential (S) | h2 | |
| 2 | 1.73 | 3.16 | 0.72 | 3.79 | 2.25 | 1.60 | 0.52 | 1.97 | 0.37 |
i = intensity of selection [44]; σp = phenotypic variation; h2 = Estimation of heritability