Abstract
Native lowbush blueberries are an important commercial crop in Atlantic Canada and the North Eastern United States. Wild stands, which are managed and harvested biennially, consist of many clones of Vaccinium angustifolium and V. myrtilloides The commercial introduction of electronic color sorting of wild blueberries has prompted an examination of berry surface color in relation to sugar, acid and anthocyanin content of the fruit. Seven berries from each of 72 wild clones were measured individually for surface color (L,a,b), size (weight, diameter), and content of glucose and fructose, titratable acids and monomeric anthocyanins. Novel, microscale spectrophotometric methods were developed to conduct chemical analyses of individual berries. Correlations between surface color and other variates within and among clones were determined using multivariate statistics.
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