(一)、鲜食品种 1.白牛奶又名宣化牛奶,新疆马奶葡萄等。属欧亚种,原产我国,广泛分布于西北、华北地区,主要产地为新疆土鲁番和河北的宣化、怀来、昌黎等地。在宣化占栽培总面积的82%,是我国主要外销品种之一。嫩梢为绿色,有稀疏绒毛;一年生枝黄褐色,粗壮,节间较长;叶片中大、较薄、深绿色,肾脏形,手状浅裂,叶面平滑,叶背无绒毛。花两性。果穗较大,一般重500—600克,长圆锥形,有岐肩,果枝上多为单穗,着粒稀疏而整齐。果粒较大,呈长椭圆形,平均粒重7.5克。果粉薄,皮肉黄绿色,质脆而紧密多汁,可以剥皮。种子少,一般仅1 (A), fresh food varieties 1. White milk, also known as Xuanhua milk, Xinjiang, such as grapes and horses grapes. Is a Eurasian species, originating in China, are widely distributed in the northwest and north China, the main origin for Xinjiang Tulufan and Hebei Xuanhua, Huailai, Changli and other places. In Xuanhua accounted for 82% of the total area cultivated, is one of China’s main export varieties. Young shoots green, sparsely hairy; annual branches yellowish brown, stout, internodes longer; leaves large, thin, dark green, kidney-shaped, hand-shaped lobed, smooth foliage, leafless back hair. Flowers bisexual. Ear larger, usually weighing 500-600 grams, long conical, with shoulder, mostly single fruit spike, grain sparse and neat. Fruit larger, elongated oval, the average weight 7.5 grams. Fruit thin, yellow-green flesh, crisp and closely juicy, you can skin. Few seeds, usually only 1