黑龙江省西部半干旱区牧草引种筛选研究初报

The Perliminary Report of Introduction Trial of Herbage on Semi-area in Western Heilongjiang Province.

对不同来源的 2 0种牧草进行了两年的引种筛选试验研究 ,结果表明 :豆科的肇东苜蓿、公农 1号苜蓿、草原 2号苜蓿和禾本科的无芒雀麦、林肯无芒雀麦、扁穗冰草、细茎冰草 ,在 2 0 0 1年极其干旱年份越冬率、产草量、抗逆性、分枝 (分蘖 )数、茎叶比都优于其它 13个品种 ;而苜蓿品种国内的优于国外品种。由此认为 ,这 7个牧草品种是黑龙江省寒冷干旱区、半干旱区建立人工草地、改良退化沙化草地的优良草种 ,可大力推广种植。

herbage varieties were collected from different sources,which planted in Institute of Animal Science of Heilongjiang Pyovince.The results showed that Medicago sativa L.cv.Zhaodong,Medicago sativa L.cv.Gongnong No.1,Medicago varia Martin.cv.Caoyuan No.2,Bromus commou,Bromus inermis Leyss.cv.Lincoln,Agropyron cristatum L,Agropyron trach Ycaulum were quite better in over winter rate,yield,resistance,branching(lillering)number,ratio of srems to leaves than others varites,domestic varieties were better than foreign varieties.The seven varities are suitable to planting in western Heilongjiang Province.