“红山彦”葡萄是日本长野市于1985年育成的新品种。该品种于9月上中旬成熟,属于中熟、红色的大粒系葡萄品种。单果粒重13～18克,果粒球形或近圆形,鲜红色,过熟时则呈红褐色。该品种树势中庸,无徒长枝。因此,其树冠不大,枝稍不太粗,新梢充实良好。叶形一般为五裂,亦有三裂的。花序及果穗较大,放任不管时,歧肩长30cm以上。该品种果皮较厚。果肉白黄色、柔软、多汁、甜味浓,糖度高达18～23度。着色容易。有香气。 “Hongshan Yan” grapes is a new variety bred in Nagano, Japan in 1985. The varieties mature in mid-September, belonging to medium-ripe, red large grain grapes varieties. Single fruit weight 13 to 18 grams, spherical fruit or nearly round, bright red, over-ripe reddish brown. The variety of trees moderate, no leg up branches. Therefore, its canopy is not large, slightly thick branches, shoots full good. Leaf shape is generally five crack, there are three split. Inflorescences and ears larger, indifferent, when the shoulders longer than 30cm. The varieties of peel thick. White flesh, soft, juicy, sweet, sugar content up to 18 ~ 23 degrees. Coloring easy. Aroma