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Summary of the directional epistasis estimates from different sources of data and different methods.
| Source of data | Method | Estimate | f100 |
|---|---|---|---|
| Selection response | Quadratic approximation (Equation 3) | ε = 6.6 × 10−5 g−1 | 1.007 |
| Line cross | Line cross analysis (Equation 4) | ε = 1.9 × 10−3 g−1 | 1.19 |
| QTL | Multilinear regression | ε = 5.7 × 10−2 g−1 | 6.7 |
| QTL | Power model (Equation 7) | β = 2.18 | 6.6 |
| QTL | Quadratic model | β′ = 8.3 g | 2.0 |
Estimates can be compared with the f100 factor.
