摘要
2001-2004年,对11个紫花苜蓿Medicago sativa不同引进品种的生长特性和生产性能进行了观察和测定。结果表明:11个紫花苜蓿品种在川西北高寒区越冬率均达到90%以上;各品种引种第1年产量较低,次年开始增长,第3年产量达最高,随后开始下降;各品种干草产量差异大,3年平均产量最高的美标403+Z,为13 594.7 kg/hm2,比平均产量最低的超级阿波罗增产达49.8%,差异显著。
In 2001-2004, 11 different introduced varieties of alfalfa were tested and observed on their growth and productive characters. The results indicated that： as for the 11 alfalfa varieties, their winter surviving rate in the north west Sichuan province reached over 90 percent; all these varieties had relatively low yield in the first year, it began to rise in the following year, and peaked in the third year, fell from then on; dry yield difference was great for all varieties, the highest for 3 year＇s average yield was Meibiao 403＋Z, being 13 594.7 kg/hm^2 , increasing yield by 49.8 percent above Superapolo whose average yield was the lowest, the difference was significant.
出处
《草业科学》
CAS
CSCD
2006年第4期43-46,共4页
Pratacultural Science
关键词
紫花苜蓿
高寒牧区
引种
秋眠级数
degree of autumn dormancy
alfalfa
alpine pastoral area
introduction
