Brown Patch Disease in Lawns
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Questions and Answers

What is the recommended mowing height for Hybrid Bermudagrass?

  • ¾ to 1¼ inches
  • ½ to 1½ inches (correct)
  • 3 to 4 inches
  • 1 to 2 inches
  • What environmental conditions do Brown Patch disease thrive in?

  • Cool and windy weather
  • Cold and dry weather
  • Dry and arid conditions
  • Hot and humid weather (correct)
  • What is a common method to control the spread of Brown Patch?

  • Over-fertilizing the lawn
  • Leaving grass clippings on the lawn
  • Core aeration (correct)
  • Increasing watering frequency
  • Which grass type has the highest recommended mowing height?

    <p>St. Augustine</p> Signup and view all the answers

    Which of the following practices is NOT suggested for reducing Brown Patch spread?

    <p>Allowing thatch to build up in the lawn</p> Signup and view all the answers

    What is the primary advantage of core aeration for lawn health?

    <p>It promotes better water penetration and reduces compaction</p> Signup and view all the answers

    Which turfgrass type requires the least mowing height according to the recommendations?

    <p>Hybrid Bermudagrass</p> Signup and view all the answers

    What type of grass grows best under hot and humid conditions without significant disease issues?

    <p>Centipedegrass</p> Signup and view all the answers

    What conditions are most likely to lead to the development of Brown Patch Disease?

    <p>Temperatures above 85°F with high humidity</p> Signup and view all the answers

    Which of the following is NOT a recommended practice to prevent Brown Patch Disease?

    <p>Watering in the evening</p> Signup and view all the answers

    What is a symptom of Brown Patch Disease that can be seen in the early morning?

    <p>Purple or grayish-brown cobwebs</p> Signup and view all the answers

    What type of fertilizer application is recommended for lawn care to prevent Brown Patch Disease?

    <p>Slow-release granular fertilizers applied regularly</p> Signup and view all the answers

    What is the typical appearance of patches caused by Brown Patch Disease?

    <p>Rough, circular patches that vary in size</p> Signup and view all the answers

    What is the recommended mowing practice to reduce the risk of Brown Patch Disease?

    <p>Never removing more than 1/3 of the grass blade during mowing</p> Signup and view all the answers

    Which fungus is responsible for causing Brown Patch Disease?

    <p>Rhizoctonia fungi</p> Signup and view all the answers

    During what time is it ideal to water a lawn to help prevent Brown Patch Disease?

    <p>In the early morning to allow drying</p> Signup and view all the answers

    Study Notes

    Brown Patch Disease

    • Brown Patch is a fungal disease affecting lawns
    • It appears as circular patches varying in size
    • The patches are often purple or grayish-brown
    • The disease thrives in hot, humid weather
    • It affects grass foliage and crowns
    • It is common in cool-season grasses like Tall Fescue, Perennial Ryegrass, and Creeping Bentgrass
    • It less commonly affects Kentucky Bluegrass

    Controlling Brown Patch

    • Regular fertilization with slow-release granular fertilizer is helpful
    • Proper watering is important; water in the early morning for 30-45 minutes
    • Mow regularly, removing no more than one-third of the grass blade at a time
    • Core aeration improves soil drainage and reduces disease risk
    • Maintaining a thick, healthy lawn is crucial
    • Common Bermudagrass: 3/4 to 1 1/4 inches
    • Hybrid Bermudagrass: 1/2 to 1 1/2 inches
    • Centipedegrass: 1 to 2 inches
    • Zoysiagrass: 1 to 2 1/2 inches
    • St. Augustinegrass: 3 to 4 inches
    • Fescue: 3 to 4 inches

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    Description

    Test your knowledge about Brown Patch disease, a common fungal issue impacting lawns, especially cool-season grasses. Learn about its symptoms, controlling methods, and recommended mowing heights to maintain a healthy lawn. This quiz covers essential care tips to mitigate and prevent the disease.

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