Anthracnose

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Anthracnose symptoms
Anthracnose
C. graminicola spore and appressorium
  • Pathogen: Colletotrichum graminicola (Ces.) G.W. Wils. Proposed pathogen for turfgrasses: Colletotrichum cerealis


  • Common Names: Anthracnose



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


  • Favorable Conditions: Hot, humid conditions. Normally day time temperatures above 80 F(27 C) and night time temperature remain above 70 F (21 C). With basal rot anthracnose, infection can occur to the crown when the turf is under stress.



  • Symptoms: Symptoms initially appear as irregular patches of yellowish turf that turn to a bronze to orange color. Black fruiting structures (acervuli) can appear on the leaf sheath, leaf or crown.
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