Comparison of productive characteristics of Avena sativa varieties in alpine region

Growth characteristics, stemleaf ratio, biomass, crude protein and grain yield ten varieties of Avena sativa were studied in Datong County, Qinghai Province. The results indicated that ten varieties have short growing stages and could grow in Datong Region. The panicle length, rings and number of spikelet, and grain number and yield of Qinghai 444, Canada cultivar and LENA were higher than other varieties and were suitable for seed production. The crude protein and biomass of Qinghai sweet, Qingyin No.1 and Qingyin No. 2 were higher than other varieties and good for hay production.