Figure 2From: Cell wall structures leading to cultivar differences in softening rates develop early during apple (Malus x domestica) fruit growthFirmness loss and ethylene production of ‘Royal Gala’ and ‘Scifresh’ fruit during ripening. Flesh firmness (A) and internal ethylene production (B) during ripening at 0.5°C (n = 20 ± SE). Note: probe size for measuring firmness was 11 mm.Back to article page