Table 1. Fruit quality attributes of ‘Summer Prince’ and ‘Summer King’ apples at harvest

Cultivars Fruit weight (g) Flesh firmness (N/∮11mm) Soluble solids content (°Brix) Titratable acidity (%) Internal ethylene concentration (μL/L)
Summer Prince 228.2±8.61) 77.7±1.3 11.3±0.2 0.55±0.01 1.3±0.3
Summer King 186.4±3.8 77.8±0.7 13.4±0.1 0.39±0.01 9.3±2.3
Sunny side region Background region
L* a* b* L* a* b*
Summer Prince 57.4±1.3 −4.5±2.8 24.6±1.1 64.7±0.4 16.9±0.2 29.4±0.2
Summer King 65.4±0.5 −9.3±1.1 29.2±0.3 65.3±0.5 14.4±0.4 29.5±0.2
All values are expressed as mean±standard error (n=15).