English: "The evolution of genetic diversity in tomato. The upper left group represents the ancestors (S. lycopersicum var. lycopersicum, S. lycopersicum var. cerasiforme, and S. pimpinellifolium), which gave rise to the vintage types including landraces through a process of domestication [data from (Blanca, 2015)]. Inbreeding and selection among these vintage tomatoes led to commercial varieties in the 1960s with a very low genetic and phenotypic diversity. From the 1970s onwards, resistances to diseases and pests were introgressed from distant species, including S. peruvianum, S. pennellii, S. chilense, and S. habrochaites, increasing genetic diversity among commercial tomato varieties considerably. After the 1980s, fruit size, color, and flavor started to vary substantially, further increasing the genetic diversity of modern varieties."