https://extension.psu.edu/turfgrass-diseases-summer-patch-causal-fungus-magnaporthiopsis-poae
Turfgrass Diseases: Summer patch (Causal fungus: Magnaporthiopsis poae)
Summer patch, sometimes called Poa patch, is a root and crown disease of golf course turf, home lawns, grounds, and athletic fields.
turfgrass diseasessummer patchcausalfungusmagnaporthiopsis