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1993～1998 年进行鲜食葡萄新品种“京优”引种试验,结果表明:京优果穗平均重512.3g、果粒平均重10.11g、可容性固形物15.1% ～16.2% ,浆果无肉囊、肉质硬脆、味甜适口、品质优良。4～6 年生树平均667m2 产1181.04kg ,比对照品种“巨峰”增产13.4% 。施用无核剂无核率达95.60% ～100% 。成熟期比“巨峰”早熟7～10d。该品种适宜年无霜期125d 以上、活动积温2,700℃以上地区生产栽培。
The introduction test of “Jingyou”, a new grape variety introduced from 1993 to 1998, showed that the average weight of Jingyou ear was 512.3g, the average weight of fruit was 10.11g and the content of soluble solid was 15.1% ~ 16.2% , Hard and brittle meat, sweet palatability, good quality. 4 ~ 6-year-old tree average 667m2 yield 1181.04kg, than the control variety “Jufeng” yield 13.4%. Application of non-nuclear agent-free rate of 95.60% to 100%. Maturity than “Jufeng” premature 7 ~ 10d. The variety suitable for frost-free period of 125d or more, the activity accumulated temperature above 2,700 ℃ production and cultivation areas.