Effects of Seed Number, Size, and Development on Fruit Size of Cultivated Blueberries1

Pooled data from several cultivars of highbush blueberry ( Vaccinium corymbosum L.) and rabbiteye blueberry ( V. ashei Reade) showed a highly significant correlation between fruit size and developed seed content although there were exceptions of individual cultivars means. Fruit size and seed no. decreased with progressively later harvests in all cultivars. Seed size differed among the various cultivars but was not related to fruit size. The % of total seeds that developed varied among cultivars and was correlated with fruit size.