( a ) is the median value from the posterior dispersal distribution in [ 36 ]. ( b ) The vector death rate was estimated between 0.06 and 0.18 [ 37 ]. The growth rate of vectors was estimated at 0.2 based on laboratory experiments. However, analysis of natural population curves revealed a slope of 0.0118, suggesting that mortality contributes approximately 0.1882 (i.e. 0.2–0.0118) to the overall growth rate [ 38 ]. Bayesian parameter estimation and hypothesis testing have shown that the available laboratory data does not support whitefly recovery from CMD ( c ) , and that the whitefly median duration of infectiousness with CBSD is approximately 1 hr ( d ) is the median value from the posterior recovery distribution in [ 28 , 39 ]. ( e ) Cassava takes an average of 10-12 months to mature before harvest but, in some cases, cassava can take up to 24 months to reach full maturity [ 40 ]. ( f ) is a representative choice based on literature ranges [ 36 ].