Brown Patch

Turf affected:  Bluegrass, Fescue, and Ryegrass Brown Patch

Symptoms:  Circular brown patches up to 3ft in diameter that develop during hot, wet weather.  Infected leaves become dark, wilt and die quickly when the disease is active.  The entire patch will eventually become a brownish tan color.

Disease occurrence:   Mid June to early September

Management:  Avoid excessive fertilization with high nitrogen fertilizers in late spring or early summer.  Reduce thatch to increase air circulation, and water deeply but infrequently early in the day to allow the leaf blade to dry off.

 

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