Fusarium Patch

Fusarium patch on a lawn

Diagnosis

Yellow to brown, irregular shaped patches of turf.

Leaf legions yellow with black centres.

Occurs in warm and wet conditions.

 

Close up of grass with fusarium

Management

  • Disease is more severe under low nitrogen fertility
  • Avoid irrigation in late afternoon and prior to midnight
  • Reduce irrigation frequency to minimise the time the leaf blades are wet
  • Reduce thatch levels
  • Apply Greenkeeper fertiliser
  • Control fungicides include: TMDG (Thiram) and Mancozeb