Gray leaf spot

A disease of St. Augustine grass that forms gray vertical spots on the grass blades. A light baking-soda or potassium bicarbonate spray is the best curative. Prevent by spraying compost tea and improving soil health. Treat the soil with cornmeal at 10-20 lbs. per 1,000 sq. ft. Bio Wash (to clean plants) is also effective.






 

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