Red Leaf Spot

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Red leaf spot symptoms
Drechslera erythrospila spores


  • Pathogen: Drechslera erythrospila Shoemaker


  • Common Names: Red Leaf Spot


  • Climatic Zone: Temperate


  • Geographic Distribution: North America (temperate)


  • Favorable Conditions: Infection usually takes place in late spring under wet cool temperatures. Under hot humid conditions symptoms appear


  • Hosts: Creeping bentgrass


  • Symptoms: Similar to other Helminthosporium leaf spotting diseases. Symptoms appear as a reddish-orange color followed by turf thinning.
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