To reduce gray spot in St. Augustinegrass, which practice helps?

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Study for the South Carolina Turf and Pest Control Category 3 Test. Prepare with flashcards and multiple choice questions, each with hints and explanations. Get ready for your exam!

Multiple Choice

To reduce gray spot in St. Augustinegrass, which practice helps?

Explanation:
Gray leaf spot develops when turf leaves stay wet long enough for the fungal pathogen to germinate and infect. Watering in the early morning lets the foliage dry off during the day as sun and warmth help evaporate moisture, shortening the leaf-wetness period and reducing the chance of infection. Watering at noon or in the evening keeps leaves wet for hours or overnight, which creates favorable conditions for the disease. Not watering at all would stress the grass, but it doesn’t specifically address the disease risk; the best practice is to irrigate in the morning to promote quick drying.

Gray leaf spot develops when turf leaves stay wet long enough for the fungal pathogen to germinate and infect. Watering in the early morning lets the foliage dry off during the day as sun and warmth help evaporate moisture, shortening the leaf-wetness period and reducing the chance of infection. Watering at noon or in the evening keeps leaves wet for hours or overnight, which creates favorable conditions for the disease. Not watering at all would stress the grass, but it doesn’t specifically address the disease risk; the best practice is to irrigate in the morning to promote quick drying.

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