Fig. 1

Heterozygosity of Puccinia striiformis f. sp. tritici surveillance from Northwest epidemic regions of China during the cropping season 2021. He: Expected heterozygosity. Ho: Observed heterozygosity. North: Northwest Xinjiang, Midwest: Midwest Xinjiang, East: East Xinjiang, SX: Shaanxi, QH: Qinghai, NX: Ningxia, and GS: Gansu