Fig. 3

The differences of chromatic parameters among Chongyi wild mandarin, ‘Gannan zao’ navel orange, orange jasmine, wild Hong Kong kumquat. L^* = Lightness of the color, −a^* = Greenness, +b^* = Yellowness, C^* = Color saturation, H^∗ = Color shading (60°= yellow; 120°= green). Different letters marked above the bars indicated significant difference among the tested plants (P < 0.05)