Fig. 4

Distribution of different multi-locus-genotypes (MLGs) of Puccinia striiformis f. sp. tritici within the Northwest epidemic region of China. a Density of MLGs in different regions. b Spatial distribution of MLGs. North: Northwest Xinjiang, Midwest: Midwest Xinjiang, East: East Xinjiang, SX: Shaanxi, QH: Qinghai, NX: Ningxia, and GS: Gansu