Integrated Pest Management · Agriculture and Natural Resources
University of California
Diseases of lawns and turf
- All diseases
- Flowers
- Fruits
- Lawns & Turf
- Trees & Shrubs
- Vegetables
The table below lists plant host, disease common name, scientific name, and disease type for pests included in this Web site. Click on the common name to link to more information about the disease. Click on a table heading to sort the column. (requires Javascript)
To see a list of common pests and disorders of a particular plant, view the Lawns menu pages.
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Ascending 
= Descending 
= Unsorted
| Plant or crop host | Common name | Scientific name | Type |
|---|---|---|---|
| all lawn grasses | Fairy ring | various | Fungus |
| all lawn grasses | Fungi, Nuisance | various | Fungus |
| all lawn grasses | Grease spot (Pythium blight) | Pythium spp. | Oomycete |
| all lawn grasses | Mushrooms | various | Fungus |
| all lawn grasses | Nuisance fungi | various | Fungus |
| all lawn grasses | Powdery mildew | Erysiphe graminis | Fungus |
| all lawn grasses | Pythium blight (grease spot) | Pythium spp. | Oomycete |
| all lawn grasses | Rust | Puccinia spp. | Fungus |
| annual bluegrass | Brown patch (large patch or Rhizoctonia blight ) | Rhizoctonia solani | Fungus |
| annual bluegrass | Dollar spot | various | Fungus |
| annual bluegrass | Fusarium patch (Microdochium patch or pink snow mold) | Microdochium nivale | Fungus |
| annual bluegrass | Large patch (brown patch or Rhizoctonia blight ) | Rhizoctonia solani | Fungus |
| annual bluegrass | Microdochium patch (Fusarium patch or pink snow mold) | Microdochium nivale | Fungus |
| annual bluegrass | Pink snow mold (Microdochium patch or Fusarium patch) | Microdochium nivale | Fungus |
| annual bluegrass | Rhizoctonia blight (brown patch, large patch) | Rhizoctonia solani | Fungus |
| bentgrasses | Red thread | Laetisaria fuciformis | Fungus |
| bentgrasses | Take-all patch | Gaeumannomyces graminis var. avenae | Fungus |
| bermudagrass | Brown patch (large patch or Rhizoctonia blight ) | Rhizoctonia solani | Fungus |
| bermudagrass | Dollar spot | various | Fungus |
| bermudagrass | Large patch (brown patch or Rhizoctonia blight ) | Rhizoctonia solani | Fungus |
| bermudagrass | Leaf spot | Bipolaris spp. | Fungus |
| bermudagrass | Red thread | Laetisaria fuciformis | Fungus |
| bermudagrass | Rhizoctonia blight (brown patch, large patch) | Rhizoctonia solani | Fungus |
| bermudagrass | Spring dead spot | Ophiosphaerella korrae | Fungus |
| bluegrass | Brown patch (large patch or Rhizoctonia blight ) | Rhizoctonia solani | Fungus |
| bluegrass | Fusarium patch (Microdochium patch or pink snow mold) | Microdochium nivale | Fungus |
| bluegrass | Large patch (brown patch or Rhizoctonia blight ) | Rhizoctonia solani | Fungus |
| bluegrass | Leaf spot | Bipolaris spp. | Fungus |
| bluegrass | Pink snow mold (Microdochium patch or Fusarium patch) | Microdochium nivale | Fungus |
| bluegrass | Red thread | Laetisaria fuciformis | Fungus |
| bluegrass | Rhizoctonia blight (brown patch, large patch) | Rhizoctonia solani | Fungus |
| bluegrass | Summer patch | Magnaporthe poae | Fungus |
| dichondra | Southern blight | Sclerotium rolfsii | Fungus |
| fescues | Brown patch (large patch or Rhizoctonia blight ) | Rhizoctonia solani | Fungus |
| fescues | Dollar spot | various | Fungus |
| fescues | Fusarium patch (Microdochium patch or pink snow mold) | Microdochium nivale | Fungus |
| fescues | Gray leaf spot | Pyriculria grisea | Fungus |
| fescues | Large patch (brown patch or Rhizoctonia blight ) | Rhizoctonia solani | Fungus |
| fescues | Leaf spot | Bipolaris spp. | Fungus |
| fescues | Microdochium patch (Fusarium patch or pink snow mold) | Microdochium nivale | Fungus |
| fescues | Pink snow mold (Microdochium patch or Fusarium patch) | Microdochium nivale | Fungus |
| fescues | Red thread | Laetisaria fuciformis | Fungus |
| fescues | Rhizoctonia blight (brown patch, large patch) | Rhizoctonia solani | Fungus |
| fescues | Southern blight | Sclerotium rolfsii | Fungus |
| fine fescues | Summer patch | Magnaporthe poae | Fungus |
| kentucky bluegrass | Anthracnose | Colletotrichum graminicola | Fungus |
| kentucky bluegrass | Fusarium blight | Fusarium spp. | Fungus |
| kentucky bluegrass | Southern blight | Sclerotium rolfsii | Fungus |
| kikuyugrass | Brown patch (large patch or Rhizoctonia blight ) | Rhizoctonia solani | Fungus |
| kikuyugrass | Gray leaf spot | Pyriculria grisea | Fungus |
| kikuyugrass | Large patch (brown patch or Rhizoctonia blight ) | Rhizoctonia solani | Fungus |
| kikuyugrass | Leaf spot | Bipolaris spp. | Fungus |
| kikuyugrass | Rhizoctonia blight (brown patch, large patch) | Rhizoctonia solani | Fungus |
| ryegrasses | Brown patch (large patch or Rhizoctonia blight ) | Rhizoctonia solani | Fungus |
| ryegrasses | Dollar spot | various | Fungus |
| ryegrasses | Fusarium patch (Microdochium patch or pink snow mold) | Microdochium nivale | Fungus |
| ryegrasses | Gray leaf spot | Pyriculria grisea | Fungus |
| ryegrasses | Large patch (brown patch or Rhizoctonia blight ) | Rhizoctonia solani | Fungus |
| ryegrasses | Leaf spot | Bipolaris spp. | Fungus |
| ryegrasses | Microdochium patch (Fusarium patch or pink snow mold) | Microdochium nivale | Fungus |
| ryegrasses | Pink snow mold (Microdochium patch or Fusarium patch) | Microdochium nivale | Fungus |
| ryegrasses | Red thread | Laetisaria fuciformis | Fungus |
| ryegrasses | Rhizoctonia blight (brown patch, large patch) | Rhizoctonia solani | Fungus |
| ryegrasses | Southern blight | Sclerotium rolfsii | Fungus |
| seashore paspalum | Dollar spot | various | Fungus |
| seashore paspalum | Spring dead spot | Ophiosphaerella korrae | Fungus |
| st. augustine grass | Brown patch (large patch or Rhizoctonia blight ) | Rhizoctonia solani | Fungus |
| st. augustine grass | Gray leaf spot | Pyriculria grisea | Fungus |
| st. augustine grass | Large patch (brown patch or Rhizoctonia blight ) | Rhizoctonia solani | Fungus |
| st. augustine grass | Rhizoctonia blight (brown patch, large patch) | Rhizoctonia solani | Fungus |
| zoysiagrass | Brown patch (large patch or Rhizoctonia blight ) | Rhizoctonia solani | Fungus |
| zoysiagrass | Dollar spot | various | Fungus |
| zoysiagrass | Fusarium patch (Microdochium patch or pink snow mold) | Microdochium nivale | Fungus |
| zoysiagrass | Large patch (brown patch or Rhizoctonia blight ) | Rhizoctonia solani | Fungus |
| zoysiagrass | Leaf spot | Bipolaris spp. | Fungus |
| zoysiagrass | Microdochium patch (Fusarium patch or pink snow mold) | Microdochium nivale | Fungus |
| zoysiagrass | Pink snow mold (Microdochium patch or Fusarium patch) | Microdochium nivale | Fungus |
| zoysiagrass | Rhizoctonia blight (brown patch, large patch) | Rhizoctonia solani | Fungus |
| zoysiagrass | Spring dead spot | Ophiosphaerella korrae | Fungus |
