• Leaf Spot/Melting Out


    Symptoms

    • Purplish-brown to black spots with tan centers on the leaf blade and sheath. 
    • Lower leaves of infected plants become shriveled and blighted.
    • In severe cases, almost all of the leaves and tillers die.
    • Typically follows the appearance of leaf spots on cool-weather turfgrass.

    Conditional Favoring Disease:

    • Temperatures between 40°F and 80°F. 
    • Areas with 10 hours a day of foliar wetness for several consecutive days.
    • High amounts of nitrogen and low mowing height.