![]() ![]() ![]() Low temperatures increase and high temperatures reduce anthocyanin concentration in apple peels. Anthocyanin production in apples is absolutely light dependent not only the intensity but also the quality of light influences anthocyanin formation. Red color development varies with environmental conditions. These two color patterns can appear together on the same tree, and even on the same spur, a very unusual phenomenon in apple. Blushed fruits are defined as those that never show stripes, even in less colored areas of the peel. In contrast to what is observed in these cultivars, fruit pigmentation in Honeycrisp apple can adopt two basic patterns: blushed or striped. For instance, Fireside, a striped cultivar, and Connell Red, a red-blushed sport of Fireside, do not deviate from their respective patterns within a tree or across the genotype even after many years of asexual propagation. Studies have concluded that New Zealand consumers prefer striped apples consumers from Nova Scotia, Canada, favor blushed apples while consumers in British Columbia, Canada, were more accepting of a range of apple fruit colors.Īpple fruit peel color is one of the main traits people look at to differentiate among cultivars and thus should be considered when planting any cultivar, but particularly strains of cultivars with varying red pigmentation. Furthermore, consumer preferences vary from country to country and region to region. In general, red apples are preferred, particularly well- colored bright red types. Note in the photo above, the difference in color of Honeycrisp apples grown in Minnesota (lower bin) and Washington state (upper bin).Īpple peel color is an important factor determining apple market acceptance. Anthocyanin accumulation in apple fruit can be affected by environmental, nutritional, and orchard management factors, the stage of maturity of the fruit, and by the microenvironment within the canopy. Red cultivars result from a superimposed accumulation of the red pigment anthocyanin. Immature fruits are green, and as the fruit ripens the green may fade partially or completely, resulting in very pale cream to green background colors. A key quality attribute of apple fruit is its peel or skin color, which affects consumer preferences.
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