关键词: 葡萄, 无核, 中熟, 品种

Abstract: ‘Ziyan’is a high-quality mid maturity seedless grape cultivar resulting from the crossing between female parent Jinxiu and male parent Red Globe. It’s fruit cluster is conical in shape,with a bifid shoulder,thin skin thickness,no astringent taste,crisp flesh,and difficult separation of fruit grains and stems. The average cluster weight is 521.00 g,and the maximum is 610.20 g. The longitudinal diameter and transverse diameter are 2.03 cm and 1.74 cm,and the average weight of each berry is 3.65 g with the maximum of 4.30 g. Meanwhile,the total soluble solids is 15.3% and the titratable acidity is 3.42 g · kg^-1. The cultivar matures in late August in the Lanzhou area of Gansu Province and is classified as a middle-ripening cultivar. The average yield is 22 515.0 kg · hm^-2. It is suitable for spring planting in humid,arid and semi-arid ecological areas such as Zhangye,Tianshui,Lanzhou,Baiyin and similar climate zones in Gansu.

Key words: grape, seedless, middle-ripening, cultivar