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Disease

By the time you see a lawn disease, it is too late to do much in the short-term. The best defense against significant damage from diseases is a dense cover of vigorous growing grass blades. Promote this by following practices in four steps to success.

Practices To Minimize Disease

  • Use alternatives to grass in shady areas.
  • Avoid excess nitrogen – when nitrogen is needed, focus on late season feeding.
  • Limit leaf blade wetness by limiting watering to the morning and to achieve no more than 1 inch per week.
  • Choose disease resistant cool-season grass.

Disease Examples:

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Brown Patch (Summer)

 

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Gray Leaf Spot (Summer)

 

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Red Thread (Spring and Fall)

 

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Fairy Rings (Spring and Fall)

 

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Turf rust diseases (Summer)

 

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Dollar Spot (Spring, Summer and Fall)

 

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Pythium Blight (Summer)

 

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Pink Snow Mold (Late Fall to Early Spring)

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