不同地区大麦品种农艺性状比较与西藏青稞品种改良

为了筛选可用于西藏青稞（裸大麦）改良的优良种质材料，通过对来自国外的7个大麦品种、中国农科院品资所的17个大麦品种以及西藏地区32个大麦品种（青稞）分蘖数、成穗数（有效分蘖）、株高、穗长、穗粒数及千粒重等主要农艺性状的调查，比较它们的生长特点以及在陕西杨凌地区的生长表现，发现西藏青稞的主要特点是株型高大分散、叶片宽大肥厚、易倒伏、千粒重较大；国外引进品种株型中等大小且紧凑，叶片细长，抗倒伏能力较强，在国内外参试材料中选出了1321、西引2号等材料，可作为西藏地区大麦品种改良的优异种质材料。

Comparison on Agronomic Traits of Barley from Different Regions and Improvement of Tibet Naked Barley

Agronomic traits of 56 accessions of barley from foreign countries,Institute of Crop Germplasm Resources and Tibet were investigated and analyzed. The results showed that barley cultivars grown in Tibet have the common characters of higher plant, wide leaves and prone to lodging. On the other hand, the cultivars from other regions have middle height and compact plant type, long and slender leaves, have strong tolerance to lodging. Some cultivars with special characters could be used for improving productivity of Tibet naked barley.