【摘要】 在牧草试验站内对来自澳大利亚南澳、北美、欧洲、国内其他地区和甘肃本地10个紫花苜蓿品种进行了田间比较试验,对于不同紫花苜蓿品种的生长速率、自然高度、分枝数、鲜草重和其他生长发育特性进行了比较。分析结果表明:10个紫花苜蓿品种在生长发育特性上存在显著的差异,其中表现好的是国产地方品种新疆大叶和国外引进品种L125、WL323、德宝4个品种,他们的优势特点L125、WL323、德宝返青早、生长速度快、草产量高,而且再生性较强,适宜多次刈割;新疆大叶生长速度快、草产量高。这4个品种适宜在该地区大面积推广和种植。更多还原

【Abstract】 A field comparative test of ten alfalfa varieties introduced from South Australia,North America,Europe and domestic was carried out in Lanzhou Forage Experimental Station of Gansu Agricultural University.The characteristics including growth rate,natural height,tiller number,fresh yield were tested.The results showed that there were significant differences in characteristics of growth and development among ten alfalfa varieties.The native variety,Xinjiang Daye,and the foreign varieties,L125,WL323 and Derby had better performances and their yield was high.Meanwhile,L125,WL323 and Derby shown early regreening and faster growth higher yield and suitable for multi-cutting.Xinjiang Daye shown fast growth and high yield as well.It could be concluded that these four varieties were suitable for extension in Gansu Province.更多还原