Ascochyta leaf blight damage. Note that not
all leaves are blighted
Turf
Armyworms skeletonize turfgrass leaves or chew off young leaves just above the ground, causing widespread damage of irregular brown patches.
Gray snow mold appears as patches of matted, tan-colored grass, visible after snow melt.
Necrotic ring spot causes dead patches of turf that may regrow in the centers.
Chinch bug feeding can cause large, dead patches.