Pythium Blight
Diagnosis
Greasy brown patches or turf ranging from 25mm to 100mm.
A distinguishing feature is the grey-white cottony mycelium that can be observed.
Management
- Avoid irrigation in late afternoon and in evening prior to midnight
- Disease is more severe under excess nitrogen conditions
- Improve surface drainage
- Do not mow infected areas when they are wet
- Control fungicides include TMDG (Thiram) liquid