Dollar Spot

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Dollar spot symptoms
Dollar spot mycelium
Dollar spot lesions
  • Pathogen: Sclerotinia homoeocarpa F.T. Bennett, Maybe reclassified to Lanzia, Moellerodiscus, or Rutstroemia


  • Common Names: Dollar Spot


  • Climatic Zone: Temperate, Subtropical


  • Geographic Distribution:North America, Europe, East Asia, Australia, South America, Africa


  • Favorable Conditions: Occurs when temperatures range between 60 and 90 F (15 to 32 C)



  • Symptoms:Initially appear as small circular bleached color patches that can increase to the size of a silver dollar. The patches can become sunken and coalesce. A grayish-white fluffy mycelium is frequently present when the disease is active.
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