Fig. 2From: Genetic diversity analysis and variety identification using SSR and SNP markers in melonPopulation structure of the 259 melon varieties. a Population structure analysis when K equals 2, 3, 4, and 5. (b) Neighbor-joining tree in the five subgroups; pop1A is colored in red, pop1B is colored in blue, pop1C is colored in purple, pop1D is colored in green, pop2 is colored in yellow, and the admixed population is colored in greyBack to article page