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. 2016 May 26;17(9):1331–1343. doi: 10.1111/mpp.12363

Figure 6.

Figure 6

Salicylic acid (SA) is required for a cell death response against Oidium heveae HN1106 on Arabidopsis. Symptoms and light micrographs of Arabidopsis Col‐0 and npr1 (nonexpressor of pr1), NahG and sid2 (SA induction deficient 2) mutants infected with O. heveae HN1106. Four‐week‐old Arabidopsis wild‐type (WT) Col‐0 and mutants were inoculated with O. heveae HN1106. (A) Symptoms were photographed at 10 days post‐inoculation (dpi). (B) Light microscopy images were taken after fungal structures had been stained with Coomassie brilliant blue at 10 dpi. Bar, 50 μm. (C) Infected leaves were stained with trypan blue at 10 dpi. Bar, 50 μm. (D) Infected leaves were stained with 3,3′‐diaminobenzidine (DAB) at 7 dpi. Bar, 50 μm. These experiments were repeated twice with similar results.