2.1 | Plant materials
The diploid Pse. libanotica accession PI 228392 (2n=14) was used for genome sequencing in this study. The original seeds were collected from the northeast side of Kuhe Savalan, Azerbaijan, Iran (altitude: 47.85N, 38.30E). It was kindly provided by the National Plant Germplasm System (NPGS, United States). The voucher specimens were kept in the herbarium of Triticeae Research Institute, Sichuan Agricultural University, China.