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Scientific classification
Kingdom: Fungi
Division: Ascomycota
Class: Ascomycetes
Order: Incertae sedis
Family: Incertae sedis
Genus: Rhynchosporium
Heinsen ex A.B.Frank (1897)
Type species
Rhynchosporium secalis
(Oudem.) Davis (1922)

R. agropyri
R. commune
R. lolii
R. orthosporum
R. secalis

Rhynchosporium is a genus of fungi that causes leaf scald disease on several graminaceous hosts. It includes five currently accepted species: R. secalis from rye and triticale, R. orthosporum from Dactylis glomerata, R. lolii from Lolium multiflorum and L. perenne, R. agropyri from Agropyron, and R. commune from Hordeum spp., Lolium multiflorum and Bromus diandrus.[1][2] R. commune is one of the most destructive pathogens of barley worldwide, causing yield decreases of up to 40% and reduced grain quality.[3]


  1. ^ Zaffarano PL, McDonald BA, Linde CC (2011). "Two new species of Rhynchosporium". Mycologia. 103 (1): 195–202. doi:10.3852/10-119. PMID 20943529. 
  2. ^ King KM, West JS, Brunner PC, Dyer PS, Fitt BD (2013). "Evolutionary relationships between Rhynchosporium lolii sp. nov. and other Rhynchosporium species on grasses". PLoS ONE. 8 (10): e72536. doi:10.1371/journal.pone.0072536. PMC 3797698Freely accessible. PMID 24146740. 
  3. ^ [1] Plant Pathology