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. 2022 Oct 18;13:1034204. doi: 10.3389/fpls.2022.1034204

Figure 3.

Figure 3

External and internal appearance of Navel, Kirkwood, Valencia and Ruby orange (Citrus sinensis) during fruit development and maturation, at the indicated harvest month. Fruits were harvested in the season 2018/2019, from an orchard located in Fundación ANECOOP (Museros, Valencia), Spain (A). Mature fruits of Valencia (B) and Ruby (E) oranges, in which the external flavedo has been removed to see the color and the veins of the internal albedo layer. Longitudinal sections of the upper side of Valencia (C) and Ruby (D) oranges showing the notch of the peduncle and calix. Longitudinal section of the pulp of Valencia (F) and Ruby (G) oranges showing colour of the pulp and the central axis. Juice vesicle of Valencia (left) and Ruby (right) (H). Evolution of the colour of the flavedo (I, K) and pulp (J, L) of Navel and Kirkwood, and Valencia and Ruby, respectively, during fruit development and maturation. Data are the means of 30 measurements ± SE.