Pythium Blight Turfgrass Disease
Hot weather diseases (over 75 F)
When will it appear?
- Hot: day temp >85F night temp >75F
- Wet turf and high humidity
- Poorly drained soils, and subsurface drainage.
- All turfgrass are susceptible
- High fertility, dense turf
- Irregularly shaped area of dark green
(greasy looking), yellow, brown, or reddish
grass that enlarges very rapidly
- Patches often concentrate in the wettest areas
- Leaves are wilted and appear water-soaked
Can you see the fungus?