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Red Thread

AKA: Pink Patch

Fungus: Corticium fuciforme  Red Threadwidth=

Symptoms: Coral-pink to red fungus strands may be seen on leaves and leaf sheaths binding leaves together. Affected turf areas are usually more or less circular and vary from 2 to 15 inches in diameter. When dry, the pink strands resemble red threads. The infected leaf first appears water-soaked, but rapidly dies, becoming light tan. Leaves and often the sheaths are killed.

Grasses susceptible: Bentgrass, bluegrass, fescue and ryegrass.

Conditions favoring disease: Red thread is most serious during periods of prolonged cool, wet weather, especially on turf deficient in nitrogen.