18 wild germplasm materials of 7 species of Roegneria C.Koch from different habitats were studied in the thesis. Adaptability was studied according to biological characteristics, production performance, leaf anatomy at Xilin Gol city in Inner Mongolia steppe(field station of grassland resource ecological monitoring and assessment in Taipusi county of CAAS), Drought stress was studied at seedling stage in greenhouse of Inner Mongolia Agricultural University.The main results were as follows:
1. 18 wild g...