Widespread distribution. On sugarcane, and related grass weeds. A minor fungal disease of commercial sugarcane varieties.
Seedling blights, and spots on the leaves (eyespots) parallel to the veins, oval, 12 mm long x 6 mm wide, reddish with pale yelow halo. Reddish-brown to yellow streaks above the eyespots, called 'runners' caused by toxins.
Spread is by spores produced in the eyespots blown in wind and rain.
Cultural control: varietal control is the only recommendation.