Microscopic visualization of fungal growth and cell death on leaves of 3-week-old plants at 7 dpi with G. cichoracearum. Leaves were stained with trypan blue. (A) wild type, (B) edr2-6, (C) edr2-6 coi1-1, (D) edr2-6 ein2-1, (E) edr2-6 NahG, (F) edr2-6 pad4-1. cp, conidiophores bearing asexual conidia; dc, dead cells; tr, trichome. Bar = 22 μm (A, B, D, F), 40 μm (C) and 26 μm (E).