Figure 1.

(A) Symptoms of wheat-Leymusmollis introgression line M8664-3 and susceptible control cultivar Mingxian169 after inoculation with Puccinia striiformis f. sp. tritici (Pst) race CYR33. (B) Wheat germ agglutinin (WGA) was used to stain the leaves to visualize pathogens. SV, substomatal vesicle; IH, infection hyphae; HMC, haustorial mother cell; ROS, reactive oxygen species. (C) Hyphal lengths were measured at different hpi. (D) Infection unit area at different hpi. (E) H₂O₂ area at different hpi. Error bars represent the standard deviations of three independent samples. Bar, 50 μm.