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对搜集于西藏昌都地区７７０份大麦地方品种进行鉴定和分类，它们属于１个种２个亚种２５３个变种，其中新变种６３个。多棱大麦变种占９５％，裸麦多于皮麦。变种中以稀穗、窄护颖、直对芒和短芒、齿芒、穗和籽粒深色（黑、褐、紫、蓝绿、灰）等类型占多数。二棱大麦以ｎｕｔａｎｓ，多棱大麦以ｊｉｎｓｈａｊｉａｎｇｅｎｓｅ、ｈｉｍａｌａｙｅｎｓｅ、ｃｏｅｌｅｓｔｅ、ｄｏｐｌｉｖｉｏｌａｃｅｕｍ、ｂｒｅｖｉｓｅｔｕｍ、ｂｒｅｖｉｓｅｔｕｍ、ｒｅｖｅｌａｔｕｍ和ｋｏｎｃｈｉｅｎｓｅ等变种分布较厂。变种数、深色型变种和多棱大麦变种的分布频率都以昌都县为最高。
A total of 770 varieties of barley were collected from Qamdo in Tibet, and they belonged to 253 varieties of 2 subspecies, including 63 new varieties. Polygamy barley varieties accounted for 95%, rye more than wheat. Variants in the spike, Narrow retaining Ying, Straight on the Mans and short Mount, Cuscuta, spike and grain dark (black, brown, purple, blue-green, gray) and other types accounted for the majority. Two-rowed barley with nutans, polygamous barley jinshajiangense, himalayense, coeleste, dopliviolaceum, brevisetum, brevisetum, revelatum and konchiense and other variants of the distribution plant. Varieties, dark-colored varieties and polygamy barley varieties are all distributed in the highest frequency in Chandu County.