“双红”是１９７７年（通化３号×双庆）从Ｆ１中选育出的抗霜霉病、两性花山葡萄新品种。果穗平均重１２７．０ｇ，穗长１６．１ｃｍ、宽９．３ｃｍ。果粒黑色，果粒平均重０．８３ｇ，粒径１０．３９ｍｍ。浆果含可溶性固形物１５．５８％、总酸１．９６％、单宁０．０６２１％、出汁率５５．７％。３～１０年生树平均亩产１０７０．４９ｋｇ。植株从萌芽至浆果充分成熟１２７～１３８ｄ。抗霜霉病能力高于“左山二”、“双丰”和“双优” “Double red” is 1977 (Tonghua 3 × Shuangqing) from F1 breeding anti-downy mildew, bred sexual flower grape varieties. Ear average weight 127.0g, spike length 16.1cm, width 9.3cm. Fruit black, fruit average weight 0.83g, particle size 10.39mm. The berries contained 15.58% of soluble solids, 1.96% of total acid, 0.0621% of tannin and 55.7% of juice. 3 to 10 years average tree yield 1070.49kg. Plants from germination to berry full ripe 127 ~ 138d. The ability to resist downy mildew is higher than that of Zuo Shan Er, Shuang Feng and Shuang You