Abstract
Abstract A pink (whitish)-fruited blueberry seedling that appeared in a hybrid highbush blueberry progeny in North Carolina is described. The major anthocyanins (Acy) detected in this seedling were arabinosides and galactosides of delphinidin, petunidin, and malvidin. The pink seedling had the same 15 possible combinations of 5 aglycones and 3 sugars previously reported for the normally blue-fruited cv. Croatan, but in smaller quantities. Total Acy contents of the pink seedling and 9 siblings ranged from 2.5 (pink fruit) to 49 (blue fruit) mg/10-g fruit. Acy content among the different clones was independent of berry pH, acidity (Ac), soluble solids (SS), or SS/Ac ratio. One hundred and seventy-five seedlings in this same progeny were scored for maximum berry color development. The results suggest that Acy expression is dependent on 1 or 2 major genes and that Acy content may be quantitatively inherited. For cultivars whose fruits are normally blue, the commercial use of blue fruit color as the major criterion of marketability (ripeness) may not be valid since color development is not necessarily related to berry ripeness and quality.
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