Exserohilum Leaf Spot on Tiger Grass

Fig. 6. Conidia of Exserohilum rostratum on tiger grass: A. Association of a germinated conidium of E. rostratum and germ tube with an appressorium (arrow) on tiger grass lesion (light-colored area of the leaf), B. Higher magnification of conidium of E. rostratum and appressorium (arrow) on a tiger grass leaf cleared and stained with lactophenol blue.



Image from Plant Health Progress article:
Exserohilum Leaf Spot on Tiger Grass