In order to understand the drought resistance of Elymus sibiricus at germination stage,seven germplasm materials were collected at various locations in China. The seeds were treated with PEG-6000 solution at the concentration of 50,100,150 g/L,and the relative germination rate,germination potential,germination index,seed vitality index and shoot/root lengths were evaluated comprehensively. The results showed that the high tolerant drought-resistance group included Jibukang which came from Changji,Xinjiang (...