Factor Levels Sample size

Φst

Pathogenicity          
  Weak 7

0.06*

  Strong 17      
Province          
  Markazi 11   Markazi Fars
  Fars 6 Fars 0.073*  
  Mazandaran 7 Mazandaran 0.031ns 0.033ns
*: Significant at 0.05 level; ns: non-significant
Table 2: Analysis of molecular variance (AMOVA) of two factors on molecular data matrix. Φst values correspond to the fraction of the molecular diversity accounted by the factor. The significance of the values was calculated using 999 permutations on data sets.