Some plants in the center of the circles may survive, giving them a frog eye or donut appearance.
Fungi survive in soil and turf as resting structures.
Fusarium blight occurs most commonly in areas that have been stressed for moisture and in areas in full sun. Because the disease is also worse under excessive nitrogen, recommended fertilization practices should also be implemented. Low cutting heights on golf courses may worsen infestation, as well as excessive thatch. When fungicides are necessary, make an application in spring before initial symptoms appear, or immediately after symptoms first develop. Provides the most effective control.