Figure 1From: Presence of necrotic strains of Potato virus Y in Mexican potatoesGraphical representation of recombination detected in P1 gene nucleotide sequences from PVYO-Pic3 (Mexico) and PVYN-N 5yt (North America). Arrows indicate edges of potential recombination region. A window size of ten nucleotides and the maximum acceptable probability of 0.00001 were used.Back to article page