Table 3.
Fitness of hosts and parasites in model C with two parasite generations (G=2) and autoinfection (ψ) (other parameters defined in §4) (* Not applicable: there is no auto-infection because AVR parasites fail to infect RES plants.).
| parasite genotypes (frequencies) within host generation g | fitness at beginning of host generation g+1 | ||||
|---|---|---|---|---|---|
| first generation | autoinfection (ψ) allo infection (1−ψ) | second generation | fitness of second parasite infection | host fitness | |
| host genotype RES (Rg) | AVR (Ag) | n/a* | AVR (Ag, 1) | 0 | 1−u |
| avr (ag, 1) | 1−b | (1−u)(1−ϵ) | |||
| avr (ag) | ψ | avr (ag) | 1−b | (1−u)(1−ϕ) | |
| 1−ψ | avr (ag, 1) | 1−b | (1−u)(1−ϕ) | ||
| 1−ψ | AVR (Ag, 1) | 0 | (1−u)(1−ϵ) | ||
| host genotype res (rg) | AVR (Ag) | ψ | AVR (Ag) | 1 | 1−ϕ |
| 1−ψ | AVR (Ag, 1) | 1 | 1−ϕ | ||
| 1−ψ | avr (ag, 1) | 1−b | 1−ϕ | ||
| avr (ag) | ψ | avr (ag) | 1−b | 1−ϕ | |
| 1−ψ | avr (ag, 1) | 1−b | 1−ϕ | ||
| 1−ψ | AVR (Ag, 1) | 1 | 1−ϕ | ||