Leaf Spot (Helminthosporium)

Close-up of leaf spot on grass

Diagnosis

Round to oval chocolate-brown spots on leaves.

Spots may have tan centres.

Management

  • Avoid irrigation in late afternoon and prior to midnight
  • Limit thatch thickness
  • Maintain a balanced fertiliser program
  • Decrease shade and increase air circulation to enhance drying turf
  • Control fungicides include: Mancozeb