Are fungicides available for controlling brown patch?
Yes. Myclobutanil (Immunox) or propiconazole (Banner MAXX) applied as a foliar spray prior to hot, humid weather prevent brown patch development. Granular fungicides should be applied with a rotary spreader when the turf is wet. Foliar sprays generally are more efficacious than granular fungicides. Results with fungicides are not as satisfactory if the disease has caused significant damage. Most fungicides have to be applied at 14 day intervals when conditions favor disease development. Fungicides such as azoxystrobin (Heritage) have longer use intervals, up to 28 days of protection. 11. I don’t want to apply fungicides; what options do I have to speed the recovery of my lawn? Save your money on fungicide applications and buy turf-type tall fescue seed. Simply overseed your damaged lawn in early fall and fertilize according to soil test recommendations. The amount of recovery is often amazing. 12. Are there turf-type tall fescue cultivars highly resistant to brown patch? No, but there