2.5. Fruit quality
2.5.1. Skin colour
The visual assessment of skin colour was estimated daily during
ripening by following a rating scale ranging from 1 to 5 according
to the percentage of green and yellow colour: (1) 100% green,
(2) 1–25% yellow, (3) 26–50% yellow, (4) 51–75% yellow, and (5)
76–100% yellow, as previously described by Dang et al. (2008).
Fruit colour (10 fruit per replicate) was also recorded from
opposite positions of each fruit in Commission Internationale
de L’Eclairage units using a ColorFlex 45◦/0◦ Spectrophotometer
(HunterLab ColorFlex, Hunter Associates Inc., Reston, VA, USA) as
L*, a* and b* colour coordinates on the fruit surface, and chromavalue (C*) and hue angle (h◦) were determined as explained by