Figure 5. Roguing.
(a) 
as function of 
, the roguing interval, with initial level of infection 
. (b) 
as a function of 
, with 
months. (c) The median value of 
as a function of 
and 
. (d) The probability the pathogen is eradicated as a function of 
and 
. (e) The median value of 
as a function of 
and 
, the probability of detecting a symptomatic plant in a single survey, for fixed 
. The black curve links pairs of values of 
and 
for which the effective infectious period, 
months (i.e. the value of 
for the default pair of values 
months, which is marked with the black dot).