摘要
沙打旺(Astragalus adsurgens Pall)是豆科黄芪属多年生草本植物,起源于我国黄河故道。70年代初,开始在黄土高原上广泛种植。生产实践证明,沙打旺具有耐旱,耐脊薄,抗寒和营养价值高等特点。对绿化荒山,改良土壤防风固沙,保持水土,迅速恢复植被和促进农牧业发展具有重要意义。
ABSTRACT It is well known that general prairie milkvetch don′t flower and mature in cold areas. In order to solve this problem works to select over-early maturing praine milkvetch have been launched upon from 1984 to 1987.New over-early maturing variety has been selected by rediation induced. It flowers earlier than 52 days that old one in annual and 67 days in biennial. Genetic charact of earline is steady. Over-early maturing prairie milkvetch can flower and mature in the areas which annual accumulated temperature (not less than 10℃) is more than 2308℃.
出处
《草业科学》
CAS
CSCD
北大核心
1989年第3期18-21,共4页
Pratacultural Science
