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In the CREA-Viticoltura ed Enologia, Lab of Turi, during the last ten years, we started a breeding program for table grapes to obtain new seedless varieties, by using conventional breeding by crossings, and  embryo rescue  techniques. Other than seedlessness, additional targets for this breeding program are: the possibility of extending the harvesting period, the attitude to cold storage, transport and shelf-life, resistance to diseases both on the plant and in post-harvest conditions, the good productivity, the quality of the grapes, the easy cultivation management of the vineyard (reduced water, nutritional requirements, etc ...). More than 10.000 new genotypes have been obtained through the use of over 20 table grape varieties and more than 18 different crossing combinations. The following characteristics have been observed on these individuals for more than three years: berry color, length and weight cluster, average berry weight, sugars, pH, acidity, class of seedlessness, floral morphology, resistance to diseases. The results of these activities revealed that some combinations have better performance among all. In the near future, this activity will allow to focus on parental genotypes able to provide individuals with the best desired traits.

Phenotypic evaluation of segregant population derived by crossing table grape varieties