TreeOrder Scan of tomato-infecting begomoviruses sequences. Changes in tree order(Y axis) resulting from changes in phylogenetic relationships at 70% bootstrap level are shown for sequential 300 bases sequence fragments at 100 base fragment intervals (X axis). Sequences are assigned to groups based on geographical locations and groups are color coded as indicated by labels. The genome map drawn to scale has been superimposed to indicate the positions of genes in DNA A sequences. Positions were drawn relative to the ToLCGV-[Var] strain.