Brown Patch / Large Patch (Rhizoctonia solani)
- Often the most frequently seen serious turf disease in Texas lawns.
- Causes circular or irregular brown dead patches under warm, humid conditions, especially in fall and spring.
- Affects St. Augustine, Bermuda, Zoysia, and many other grasses.
Common active ingredients:
- Azoxystrobin — broad-spectrum, prevents & treats brown patch.
- Propiconazole — systemic DMI fungicide, strong preventative/curative.
- Chlorothalonil — multi-site contact prevention.
Example products:
- Heritage G Fungicide Granular – Azoxystrobin granular (pre + curative).
- Propiconazole 14.3% Select Fungicide