Fig. 3From: Genetic characterization of melon accessions in the U.S. National Plant Germplasm System and construction of a melon core collectionDevelopment and evaluation of the melon core collection. a Coverage of allelic diversity versus number of selected accessions. The dash line indicates the minimal number of samples (731) covering all the allelic diversity. b Principal component analysis (PCA) of melon accessions. Red dots represent the accessions in the core collection; gray dots represent the accessions not in the core collectionBack to article page