Table 1.

Fifteen Elymus sibiricus accessions used in this study.

Code	Accessions	Status	Origin	Morphological characteristics
1	PI504462	Cultivated	Qinghai, China	Low seed shattering, late flowering
2	PI655199	Cultivated	Xizang, China	Low seed shattering, early flowering
3	PI598780	Wild	Kazakhstan	Late flowering
4	Tongde	Cultivar	Tongde, Qinghai, China	Low seed shattering, late flowering
5	Qingmu No.1	Cultivar	Batan, Qinghai, China	Tall, medium seed shattering, late flowering
6	PI499468	Cultivated	Xinjiang, China	Medium seed shattering
7	Chuancao No.2	Cultivar	Hongyuan, Sichuan, China	Tall, early flowering, medium seed shattering
8	Hongyuan	Cultivar	Hongyuan, Sichuan, China	Medium seed shattering, early flowering
9	PI499456	Cultivated	Inner Mongolia, China	Medium seed shattering
10	Y1005	Wild	Ruo ergai, Sichuan, China	High seed shattering
11	PI499453	Cultivated	Inner Mongolia, China	Low seed shattering
12	HZ01	Wild	Hezuo, Gansu, China	Medium seed shattering
13	LQ01	Wild	Luqu, Gansu, China	Medium seed shattering
14	LQ04	Wild	Luqu, Gansu, China	High seed shattering
15	ZhN06	Wild	Zhuoni, Gansu, China	Low seed shattering