Dollar Spot (Sclerotinia homeocarpa)

Dollar spot on a lawn

Diagnosis

Small, straw-coloured patches of turf 2-7cm in diameter.

Close-up of dollar spot on grass

Management

  • Disease is more severe under low nitrogen fertility
  • Limit thatch thickness
  • Avoid irrigation in late evening and prior to midnight
  • Spray with Mancozeb fungicide