Helminthosporium Melting out

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Melting-out symptoms
Melting-out leaf symptom
Drechslera poae spores
  • Pathogen: Drechslera poae


  • Common Names: Helminthosporium melting-out, Melting-out


  • Climatic Zone: Temperate


  • Geographic Distribution: North America (temperate), Europe


  • Favorable Conditions: Cool, wet periods


  • Hosts: Kentucky bluegrass


  • Symptoms: Leaf symptoms appear as black to purple spots. Overall symptoms appear as irregular reddish to yellow patches that gradually thin the turf out.
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