“单二”啤酒大麦新品种是我国应用花药培养单倍体技术在大麦上育成并通过审定的第一个品种。该品种株型紧凑，茎杆粗壮，耐肥抗倒，高抗大麦黄花叶病，高产稳产，皮薄色淡，籽粒饱满，制麦品质好，是优质啤酒大麦，已于1997年由江苏省农作物审定委员会审定定名。累计示范推广面积180万亩，为江苏大麦当家品种。 “One-Two” new beer barley varieties are the first cultivars that have been bred and passed validation in China using anther culture haploid technology. The varieties of compact plant type, stalks thick, resistant to lodging, high resistance to barley yellow mosaic disease, high and stable production, thin skin pale, full grain, wheat quality is good, is a quality beer barley, in 1997 by the Jiangsu Province Crop Validation Committee validated naming. Cumulative demonstration and promotion of an area of ​​180 mu, Jiangsu barley headed varieties.