The rust resistance of wild Poa prutensis L. was tested.Meanwhile, discuss the relativity of the time course of disease occurring, recovery and TRH.

• 摘要试验对引种驯化的野生草地早熟禾在田间自然感病的抗锈病能力做了初步研究，同时探讨了发病和恢复的时间进程与日温湿指数(TRH)相关性。