highly significantP < 0.0001
sclerotiorum populations from the four different countries with the R ST fixation index statistic highly significant ( P < 0.0001) for pairwise combinations of England/Norway ( R ST = 0.094), England/Australia ( R ST = 0.186), Scotland/Norway ( R ST = 0.068), Scotland/Australia ( R ST = 0.152), and Norway/Australia ( R ST = 0.198).