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. 2017 Jul 18;8:1245. doi: 10.3389/fpls.2017.01245

FIGURE 8.

FIGURE 8

Histological observations of necrotic cell death in wheat leaves treated with BSMV and infected with incompatibility race CYR23. (A) Necrotic cell death was observed by epifluorescence at 24, 48, and 120 hpi. HMC, haustorial mother cell; IH, infection hypha; HR, hypersensitive response; SV, sub-stomatal vesicle. Bar, 20 μm. (B) Necrotic cell death was quantified as the area of auto-fluorescence. (C) Hyphal lengths were quantified from the junction of the sub-stomatal vesicle to the hyphal tip. (D) Colony size was measured as the area of auto-fluorescence. Asterisks indicate a significant differences (P < 0.05) from BSMV:γ using the Student’s t-test.