Fig. 6From: Genome wide characterization of simple sequence repeats in watermelon genome and their application in comparative mapping and genetic diversity analysisThe UPGMA phylogenetic tree of the 134 accessions. The phylogenetic analysis showed 134 accessions were classified into two groups: group I and II. The colour branches represent the accessions collected from different continents. The number 1–134 represent waermelon accessions W1 to W134 in Additional file 2: Table S1. Among them, 1–5 belong to C. colocynthis, 6–17 belong to C. lanatus var. citroides and 18–134 belong to C. lanatus var. lanatus Back to article page