Curvularia

From Turf Wiki

• Pathogen: Curvularia spp.

• Common Names: Curvularia, Curvularia Leaf Blight

• Climatic Zone:

• Geographic Distribution: North America, Europe, East Asia, Australia, Africa, South America

• Favorable Conditions: High temperatures with drought will bring on the disease, but it can spread quickly in wet, warm weather. Will generally occur when the leaf is aging (senescence)

• Hosts:Creeping Bentgrass, colonial bentgrass, velvet bentgrass, Perennial Ryegrass, Annual Bluegrass (Poa annua), bermudagrass (Cynodon dactylon), Tall Fescue, Kentucky Bluegrass, St. Augustinegrass, zoysiagrass, fine fescues

• Symptoms: The grass will look thin and there may be yellow and green lesions. A dark brown mycelium will occur along the tissue