Abstract
The Croatian native, Vitis vinifera L. grapevine cv. Grk, is one of only a few wine cultivars with a female flower, resulting in two types of berries in the cluster: fully developed seeded berries (~3.5g) and undersized (~0.7g) seedless berries, both ripe at harvest. This study investigated the intravarietal variability of cv. Grk and the impact of the different proportion of seedless berries on grape yield and quality of Grk clones. Significant differences in cluster proportions of seedless berries among Grk clone candidates were determined. A high positive correlation was found between the seedless berry proportion and single berry weight, must tartaric acid content and FVT. These results indicate that it is possible to select clones with a higher proportion of seedless berries in cluster, which can then be used to improve the wine quality of Grk cv.
- ©2012 by the American Society for Enology and Viticulture
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