ブドウ新品種 'サンヴェルデ'

Sun Verde' is a tetraploid table grape cultivar released by the National Agriculture and Food Research Organization Institute of Fruit Tree Science (NIFTS) in Japan. It has large yellow-green berries, high soluble solids concentration, and low acidity. The berries can be converted to seedless ones by applying gibberellic acid, first to flower and fruit clusters in full bloom and once again at 10 to 15 days after full bloom. 'Sun Verde' resulted from a cross of 'Dark Ridge' and 'Centennial' made in 1993 at Akitsu, NIFTS. The original vine was initially selected in 2002 in a vineyard at Akitsu, and was tested as selection Akitsu-25 at 33 locations in 32 prefectures under the 11th Grape Selection National Trial initiated in 2004. It was released as 'Sun Verde' in 2010, and registered as No. 20821 under The Plant Variety and Seedling Act of Japan in 2011. The seedless fruit of 'Sun Verde' ripens in late August to early September at Akitsu. Its ripening time was similar to 'Kyoho' and 4 days earlier than 'Pione' in the national trial. Berry weight averaged 11.3 g, similar to 'Kyoho' in seedless fruit production in the national trial. The berry has no distinctive flavor and its flesh is easy breakable and firm. Skin character is medium between slip and tight. Soluble solids concentration and titratable acidity averaged around 19.7% and 0.44 g/100 ml, respectively in the national trial. Soluble solids concentration is significantly higher than in 'Kyoho' and 'Pione', whereas titratable acidity is significantly lower than in 'Kyoho'. Astringency of the flesh is not sensed. Berry skin cracking is rare. The degree of shatter of berries from clusters at full maturity is similar to 'Kyoho' and 'Pione'. Shelf life is short, similar to 'Kyoho' and 'Pione'. The 'Sun Verde' vine is vigorous but seems to possess lower cold hardiness than 'Kyoho'. Flower cluster should be trimmed and berries thinned to obtain attractive fruit clusters as in most of the commercial cultivars in Japan. Cluster trimming and berry thinning require moderately long and medium time, respectively.

書誌情報

果樹研究所研究報告
en : Bulletin of the National Institute of Fruit Tree Science

巻 17, p. 19-38, 発行日 2014-03-20

出版者

独立行政法人農業・食品産業技術総合研究機構果樹研究所

ISSN

収録物識別子タイプ

ISSN

収録物識別子

1347-3549

DOI

Versions

Ver.1

2023-05-15 14:57:14.408995

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Cite as

SATO, Akihiko, YAMADA, Masahiko, MITANI, Nobuhito, IWANAMI, Hiroshi, UENO, Toshihito, SHIRAISHI, Mikio, YAMANE, Hiroyasu, HIRAKAWA, Nobuyuki, KONO, Atsushi, BAN, Yusuke, YOSHIOKA, Mikano, NAKAJIMA, Ikuko, SATO, Yoshihiko, MASE, Nobuko, NAKANO, Masaaki, NAKAUNE, Ryoji, 2014, New Grape Cultivar ' Sun Verde': 独立行政法人農業・食品産業技術総合研究機構果樹研究所, 19–38 p.

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