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Problems of Turf
Fungal Disease
Anthracnose (Colletotrichum graminicola)
Brown Patch (Rhizoctonia solani)
Dollar Spot (Sclerotinia homeocarpa [name under debat)
Fairy Rings (various Basidiomycete fungi)
Gray Leaf Spot (Pyricularia grisea [name under debate])
Gray Snow Mold (Typhula spp.)
Helminthosporium Leaf, Crown, and Root Diseases (Several related genera)
Leaf Smuts (Ustilago striiformis and Urocystis agrop)
Mushrooms and Puffballs (various Basidiomycete fungi)
Pink Snow Mold (Microdochium nivale)
Powdery Mildew (Blumeria graminis [formerly Erysiphe gra)
Pythium Blight (Pythium spp. [water molds])
Red Thread (Laetisaria fuciformis)
Rust (Puccinia spp. and Uromyces spp.)
Rusts (Puccinia and Uromyces spp.)
Slime Molds (Mucilago, Didymium, Physarum, and Fuligo)
Summer Patch and Necrotic Ring Spot (Magnaporthe poae and Leptosphaeria korra)
Herbicide Injury
Amino Acid (ALS) Inhibitor Herbicide Injury
Glyphosate Herbicide Injury
Photosynthesis (PSI and PSII) Inhibitor Herbicide Injury
Pigment Inhibitor Herbicide Injury
Plant Growth Regulator (PGR) Herbicide Injury
Insect Damage
Ants (Formicidae)
Japanese Beetle (Popilla japonica)
Sod Webworms (Crambus spp. and other Pyralidae)
White Grubs (Ataenius spretulus, Popilla japonica, Cy)
