Figure 2: Total organic acid content in apple fruit at (a) 70 or (b) 140 days of storage at 0°C followed by 7 days at 20°C. GD, “Golden Delicious”; GR, “GoldRush”; WC, “WineCrisp”; PC, “Pixie Crunch”; CC, “CrimsonCrisp.” Asterisks () indicate significant difference between control and 1-MCP treatment in each cultivar at each storage duration treatment by Student’s -test at . Vertical bars represent standard error ().