大麦是我省最古老的农作物之一,栽培历史悠久,分布很广,类型丰富,其种类和变种类型过去未曾报道。笔者通过《甘肃大麦品种资源目录》编写工作,对所收集的307个大麦品种进行了分类研究。初步确定我省栽培大麦为1个种,2个亚种,57个变种(前人定名49个,新定名8个);综合分析了变种类型、形态特征和优良特性;并根据其形态特征和生态环境划分了五个变种分布区。 Barley is one of the oldest crops in our province. It has a long history of cultivation, is widely distributed and rich in variety. Its species and variety have not been reported in the past. The author through “Gansu Barley Variety Resources Catalog” preparation work, the collected 307 barley varieties were classified research. According to their morphological characteristics and morphological characteristics, the barley cultivars in our province were identified as 1 species, 2 subspecies and 57 varieties (formerly named 49 and newly named 8) Ecological environment is divided into five variants of the distribution area.