Georgia Pesticide Applicators Practice Exam 2025 – All-in-One Guide to Exam Success!

Question: 1 / 400

What does the appearance of mushrooms in a circle on turfgrass indicate?

Fungal infection

Excessive watering

Fairy ring disease

The appearance of mushrooms in a circle on turfgrass is commonly associated with a phenomenon known as fairy ring disease. This condition is caused by certain types of fungi that flourish in the soil beneath the surface, often in a circular pattern.

The circular arrangement of mushrooms occurs because the fungi grow outward from a central point, depleting nutrients in the soil as they expand. As a result, the grass in the circle may appear more lush and green due to the increased moisture retained around the fungal growth, while the surrounding areas may suffer from reduced vigor and health. This distinctive growth pattern is a key indicator for identifying fairy rings in turfgrass.

While fungal infections and other soil conditions can affect turf health, the specific formation of mushrooms in a circular pattern is a hallmark of fairy ring disease rather than just a general fungal infection.

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Soil compaction

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