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Tomato fruit samples of four representative developmental stages. IM, Immature, 15 days after fertilization, 5 cm diameter fruit; MG, Mature green, 30 days after fertilization, 9 cm diameter fruit; B, Breaker, 35 days after fertilization, 10 cm diameter fruit; MR, Mature red, 45 days after fertilization, 10 cm diameter fruit.
