This article is a list of diseases of the cultivated oat Avena sativa.
Bacterial diseases
Bacterial diseasesBacterial blight (halo blight) Pseudomonas coronafaciens pv. coronafaciensBacterial stripe blight Pseudomonas coronafaciens pv. striafaciensBlack chaff and bacterial streak (stripe) Xanthomonas campestris pv. translucens
Fungal diseases
Fungal diseasesAnthracnose Colletotrichum graminicola Glomerella graminicola [teleomorph]Blast Unfavorable environmental conditions and/or any of several pathogens Downy mildew Sclerophthora macrosporaErgot Claviceps purpurea Sphacelia segetum [anamorph] Fusarium foot rot Fusarium culmorumHead blight Bipolaris sorokiniana Cochliobolus sativus [teleomorph] Drechslera avenacea Fusarium graminearum Gibberella zeae [teleomorph] Other Fusarium spp. Leaf blotch and crown rot (Helminthosporium leaf blotch) Drechslera avenacea Helminthosporium avenaceum Drechslera avenae Helminthosporium avenae Pyrenophora avenae [teleomorph]Powdery mildew Blumeria avenaeRed leather diseaseSpermospora avenae [anamorph]Rhizoctonia root rot Rhizoctonia solani Thanatephorus cucumeris [teleomorph] Root rot Bipolaris sorokiniana Cochliobolus sativus [teleomorph] Fusarium spp. Pythium spp. P. debaryanum P. irregulare P. ultimumRust, crown Puccinia coronataRust, stem Puccinia graminisSeedling blight Bipolaris sorokiniana Cochliobolus sativus [teleomorph] Drechslera avenae Fusarium culmorum Pythium spp. Rhizoctonia solaniSharp eyespot Rhizoctonia cerealis Ceratobasidium cereale [teleomorph]Smut, covered Ustilago segetum U. kolleriSmut, loose Ustilago avenaeSnow mold, pink (Fusarium patch) Microdochium nivale Fusarium nivale Monographella nivalis [teleomorph]Snow mold, speckled or gray (Typhula blight) T. idahoensis T. incarnata T. ishikariensisSpeckled blotch (Septoria blight) Stagonospora avenae Septoria avenae Phaeosphaeria avenaria [teleomorph]Take-all (white head) Gaeumannomyces graminis var. avenae Other G. graminis strainsVictoria blight Bipolaris victoriae Cochliobolus victoriae [teleomorph]
Miscellaneous diseases or disorders
Miscellaneous diseases or disordersBlast Unfavorable environmental conditions and/or any of several pathogens Gray streak Manganese deficiency Physiological leaf spot Genetic predisposition
Nematodes
Nematodes, parasiticBulb and stem Ditylenchus dipsaciCyst, oat or cereal Heterodera avenaeCyst Heterodera hordecalis Heterodera latipons Punctodera chalcoensisDagger, American Xiphinema americanumLesion Pratylenchus spp. Pratylenchus thorneiPin Pratylenchus spp. Ring Criconemella spp. Nothocriconemella mutabilis and other spp.Root-knot Meloidogyne spp. M. chitwoodi M. naasiSheath Hemicycliophora spp. Spiral Helicotylenchus spp. Sting Belonolaimus longicaudatusStubby-root Paratrichodorus minorStunt Quinisulcius capitatus Tylenchorhynchus spp. Merlinius spp.
Viruses
VirusesOat blue dwarf Oat blue dwarf virusOat mosaic Oat mosaic virusOat necrotic mottle Oat necrotic mottle virusOat red leaf Barley yellow dwarf virus
References Common Names of Diseases, The American Phytopathological Society (APS)