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Overview of the phenotypic diversity of the collection studied. Accessions with different biological status were considered including heirlooms (HL), landraces (LR) and long-shelf-life cultivars (LSL). Fruit morphology include beefsteak (B), cherry (C), globe (G), oxheart (O) and plum (P) types. More details of the accessions displayed in the figure are reported in Table 1
