Podcast
Questions and Answers
Brown Patch disease typically occurs during cold and dry weather.
Brown Patch disease typically occurs during cold and dry weather.
False
Brown Patch is easier to control in hot and humid weather conditions.
Brown Patch is easier to control in hot and humid weather conditions.
False
Brown Patch disease can appear as circular patches varying in size from a few inches to several feet across.
Brown Patch disease can appear as circular patches varying in size from a few inches to several feet across.
True
A thick and healthy lawn is the best defense against lawn diseases.
A thick and healthy lawn is the best defense against lawn diseases.
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The fungus that causes Brown Patch is known as Rhizomaniac fungi.
The fungus that causes Brown Patch is known as Rhizomaniac fungi.
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Core aeration can improve soil drainage and help reduce lawn disease likelihood.
Core aeration can improve soil drainage and help reduce lawn disease likelihood.
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Watering your lawn should be avoided during the early morning.
Watering your lawn should be avoided during the early morning.
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Mowing should be done with a dull blade to prevent damage to the grass.
Mowing should be done with a dull blade to prevent damage to the grass.
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The recommended mowing height for Common Bermudagrass is 1 to 2 inches.
The recommended mowing height for Common Bermudagrass is 1 to 2 inches.
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Regular applications of fertilizer can help provide necessary nutrients for the lawn.
Regular applications of fertilizer can help provide necessary nutrients for the lawn.
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Zoysiagrass should be mowed at a height of 1 to 2 inches.
Zoysiagrass should be mowed at a height of 1 to 2 inches.
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Adjusting cultural practices can help limit the spread of Brown Patch.
Adjusting cultural practices can help limit the spread of Brown Patch.
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It is acceptable to remove more than a third of the grass blade during mowing.
It is acceptable to remove more than a third of the grass blade during mowing.
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Brown Patch disease causes significant damage to Kentucky bluegrass.
Brown Patch disease causes significant damage to Kentucky bluegrass.
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Fescue should be mowed at a height of 3 to 4 inches.
Fescue should be mowed at a height of 3 to 4 inches.
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Repairing heavily damaged areas may involve using sod or appropriate grass seed.
Repairing heavily damaged areas may involve using sod or appropriate grass seed.
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Study Notes
Brown Patch Disease
- Brown Patch is a leaf disease affecting lawns
- It appears in hot, humid weather
- Patches vary in size, from a few inches to several feet
- Early morning, patches appear purple or grayish-brown, resembling cobwebs
- Caused by Rhizoctonia fungi, infecting grass foliage and crowns
- Thrive in stressful conditions, colonizing thatch layer
- Commonly affects cool-season grasses (less likely Kentucky Bluegrass)
- Impacts Tall Fescue, Perennial Ryegrass and Creeping Bentgrass
Controlling Brown Patch
- Fertilizing: Consistent Weed Man fertilizer applications, timed to avoid over-fertilizing
- Watering: Normal watering schedule: 30-45 minutes per area
- Mowing: Maintain regular schedule, cut no more than a third of the grass blade at a time
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Cultural Practices:
- Core aeration to improve soil drainage, reduce compaction and allow better water and nutrient absorption.
- Ensure healthy, well-maintained lawn is the best defense against the spread
- Professional advice can provide other solutions for complex situations
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Description
Explore the causes and control methods of Brown Patch disease affecting lawns. This quiz covers the identification of symptoms, the role of Rhizoctonia fungi, and effective lawn maintenance practices. Test your knowledge on how to keep your grass healthy and prevent disease.
