Table 2. Heritability estimate (h2) of spinosad resistance for a seven-generation spinosad-selected strain of the tomato borer Tuta absoluta.
Parameters | Generations F1–F7 | |
Response estimate | F1 CL50 (log) (µg a.i./mL) | 0.41 (−0.39) |
F7 CL50 (log) (µg a.i./mL) | 2200.00 (3.34) | |
Response to selection (R) | 0.53 | |
Estimate of differential selection | Selection-surviving Individuals (p; %) | 31.25 |
Intensity of selection (i) | 1.12 | |
Initial slope | 1.85 | |
Final slope | 1.16 | |
Phenotypic standard deviation (sF) | 0.66 | |
Differential selection (S) | 0.75 | |
Generations for 10-fold increase in resistance (G) | 1.88 | |
Herdability (h 2) | 0.71 |