【作者】 师尚礼； 王亚玲；

【Author】 SHI Shang-li WANG Ya-ling (Pratacultural College of Gansu Agricultural University Lanzhou 730070 China)

【机构】 甘肃农业大学草业学院；

【摘要】 陇东野生紫花苜蓿(Medicago sativa)为根茎—平卧型多年生苜蓿,分布于甘肃清水、定西半阴湿山脚地带,经植物学、生物学特征特性观察。结果表明:陇东野生紫花苜蓿与栽培紫花苜蓿相比,其生长速度慢,叶片小且数量少,根系为根茎型,无主根,茎纤细且平卧或半平卧生长,分枝能力强,耐践踏,抗寒抗旱,有许多栽培苜蓿所没有的植物学和生物学特征特性。更多还原

【Abstract】 Longdong wild alfalfa is a kind of rhizome- slantwise and perennial alfalfa,which grows in the half damp mountainous area in Dingxi and Qingshui county of Gansu province.The results of cultivation experiment showed that: compared with cultivated alfalfa,Longdong wild alfalfa had a slower growth speed and a stronger branching ability with smaller leaf size and leaf number.Its roots were rhizome rooted and grew slant-wise or horizontally without main root.It was tolerant to trample and drought and had many other botany and biological characteristics that cannot be found in cultivated alfalfa.更多还原