Table 2

Summary of model parameters, and their default or range of values that were used to generate simulations
Model parametera Default or range of values
Simulation grid size 240 x 240
Mixture structure Two cultivars; alternative blocks of 20 x 20 of a single cultivar
Genotype unit area 400 plants [20 x 20]
Number of susceptible units per plant 30
Number of virulence factors against each host 3
Initial number of pathogen virulence genotypes 6 [each with one virulence factor]
Median spore dispersal distance [half-Cauchy function] 1 plant distance unit
Pathogen latent period 5 days
Pathogen infectious period 7 days
Duration of a simulated epidemics within a season 42 days
Cost of virulence for an additional virulence factor against the non-host cultivar (VC) 0.0, 0.05, 0.1
Sporulation rate (λ) When VC = 0, λo = 0.45, 0.50, 0.55
When VC> 0, λ = λo(1 – nVC)
Number of initial diseased unit per fungal genotype (YI) 16, 32
Proportion of sexual primary inocula (PC) 0.1, 0.3, 0.5, 0.7, 1.0
Probability of between-cultivar mating (PB) [within-cultivar mating probability is 1.0] 0.1, 0.3, 0.5, 0.7, 1.0
Recombination among virulence factors (r) 0.05, 0.1, 0.2, 0.5

Xu

Xu BMC Ecology 2012 12:16   doi:10.1186/1472-6785-12-16

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