Recognizing and Treating Necrotic Ring Spot in Waterford, Michigan

Necrotic Ring Spot is a destructive fungal disease that can affect lawns in Waterford, Michigan, particularly those with Kentucky bluegrass. This disease, caused by the Leptosphaeria korrae fungus, thrives in warm, wet conditions and can lead to unsightly patches of dead grass in your lawn.

The most noticeable symptom of Necrotic Ring Spot is the appearance of circular dead spots, usually with green grass in the center of the dead ring. These patches can be small or large and often appear during the late spring and summer months. The disease is typically more severe in areas with compacted soil, poor drainage, and heavy thatch.

To treat Necrotic Ring Spot in Waterford, Michigan, start by addressing the soil’s health. Aerating the lawn improves water drainage and reduces compaction, allowing grass roots to breathe. If there’s a lot of thatch in the lawn then aerate the lawn in the spring and in the fall. Apply a slow-release nitrogen fertilizer to help your lawn recover from damage. Fungicides are also effective when applied in the spring or fall, and can prevent further spread of necrotic ring spot.

Proper watering is essential for preventing the spread of Necrotic Ring Spot. Avoid overwatering and aim to water early in the morning. A light, 10 - 15 minute, watering during the middle of the day will also help by reducing heat stress on the grass plants. By following these steps, you can control Necrotic Ring Spot and maintain a lush, healthy lawn.