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Fungus - Zoysia Lawn - Brown Patch

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