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landsepi (version 1.2.5)

price_reduction: Price reduction function

Description

Give the price reduction rate associated with the infection on the (grapevine) fruits

Usage

price_reduction(I_host, N_host, Nhost, Nyears, nTSpY)

Value

A matrix with the price reduction rate per cultivar and per year of simulation

Arguments

I_host

number of infected host for cultivars and for timestep

N_host

total number of hosts for cultivars and for timestep

Nhost

total number of cultivars considered in the simulation

Nyears

number of simulated cropping seasons

nTSpY

number of timestep (e.g. days) per cropping season

References

Savary, S., Delbac, L., Rochas, A., Taisant, G., & Willocquet, L. (2009). Analysis of nonlinear relationships in dual epidemics, and its application to the management of grapevine downy and powdery mildews. Phytopathology, 99(8), 930-942.