Table 1.
Description of the model variables and parameters including their default values.
| Symbol | Description | Default value |
|---|---|---|
| Variables | ||
| Hi | Healthy leaf area density cultivar i | |
| Ei | Density of latent tissue area on cultivar i | |
| Ii | Density of infectious tissue area on cultivar i | |
| LSi | Lesion size on cultivar i | |
| αi | Spore production capacity, i.e. number of spores produced per lesion per time unit | |
| Parameters | ||
| θ | Fraction of the resistant cultivar within the landscape | [0…1] |
| gi | Cultivar-specific intrinsic host growth rate | 1.5 |
| K | Host population total carrying capacity | 500 |
| ωi | Cultivar-specific host mortality rate | 0.02 |
| 1/γi | Cultivar-specific latent period | 5 |
| 1/μi | Cultivar-specific infectious period | 10 |
| βmn | Infection efficiency of a spore produced by a lesion on cultivar n that lands on cultivar m | 5 × 10−6 |
| a | Upper asymptote of the spore production capacity versus lesion size relationship | 200 |
| b | Lesion size displacement of the spore production capacity versus lesion size relationship | −50 |
| c | Slope of the spore production capacity versus lesion size relationship | −10 |
| ɛ | Permanent shift in lesion size, i.e. lesions are generally smaller on the resistant cultivar | 1500 |
| σ | Relative strength of resistance for resistance scenario 1 | 0.8 |
| ρ | Relative strength of resistance for resistance scenario 2 | 0.8 |