A new grape cultivar 'Suzuka'
2017
Shinomiya, R. (Fukuoka Agriculture and Forestry Research Center, Chikushino, Fukuoka (Japan)) | Shiraishi, M. | Hirakawa, N. | Ibi, A. | Fujishima, H. | Chijiwa, H. | Muramoto, K.
'Suzuka' is a diploid table grape cultivar with well colored violet-black berries. It was released by Fukuoka Agriculture and Forestry Research Center in 2015. 'Suzuka' resulted from a cross of 'Hakata white' (V. vinifera) and 96-9-28 made in 2002. 96-9-28 is a hybrid of 'Homan' (V. labruscana) × 'Rizamart' (V. vinifera). The characteristics of 'Suzuka' compared with 'Kyoho' in habitat (Chikushino City, Fukuoka, Japan) are as follows. The time of full bloom is May 17, and the high harvesting stage is August 16, at the same time or 7days earlier than 'Kyoho', respectively. Berries weight of 'Suzuka', averaged 9.6g, is slightly smaller than that of 'Kyoho'. Soluble solids content is around 18.1%, similar to that of 'Kyoho', but the titratable acidity is 0.64g/100ml and higher than that of 'Kyoho'. The berries have violet-black skin and the skin color score is 8.7, being higher than that of 'Kyoho', and indicates over 8 at test areas in western Japan. 'Suzuka' is an early ripening cultivar and well black-colored even in south-western warm region of Japan where the coloring disorder of 'Kyoho' is severe.
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