Red Thread

Turf affected: All species of grassRed Thread

Symptoms: Pinkish red threads that form around the leaf blades and bind them together. Eventually, the affected turf will turn brown. The red threads are most visible when the turf is wet and you may see red spores on your mower and shoes.

Disease occurrence: Early spring

Management: The best prevention for red thread is to aerate regularly and remove thatch. Mow at proper levels, reduce shade on the turf and follow a regular fertilization program. Collect and dispose of grass clippings when disease is present. Increased nitrogen and phosphorus fertility has been correlated to decreased red thread susceptibility. So, fertilizing on a regular schedule will eliminate one of the primary causes of red thread. Also, water deeply but infrequently early in the day to allow the leaf blade to dry off.


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