This article is a list of diseases of barley (Hordeum vulgare).
| Bacterial Diseases | ||
|---|---|---|
| Black chaff and bacterial streak | Xanthomonas translucens pv. translucens | |
| Bacterial kernel blight | Pseudomonas syringae pv. syringae | |
| Bacterial leaf blight | Pseudomonas syringae pv. syringae | |
| Bacterial stripe | Pseudomonas syringae pv. striafaciens | |
| Basal glume rot | Pseudomonas syringae pv. atrofaciens | |
| Xanthomonas campestris pv. translucens | ||
| Fungal diseases | ||
|---|---|---|
| Anthracnose[1] | Colletotrichum cereale Manns | |
| Barley stripe | Pyrenophora graminea Drechslera graminea | |
| Cephalosporium stripe | Hymenula cerealis Cephalosporium gramineum | |
| Common root rot, crown rot and seedling blight | Cochliobolus sativus Bipolaris sorokiniana Fusarium culmorum Fusarium graminearum Gibberella zeae [teleomorph] | |
| Downy mildew | Sclerophthora rayssiae | |
| Dwarf bunt | Tilletia controversa | |
| Claviceps purpurea Sphacelia segetum [anamorph] | ||
| Eyespot | Pseudocercosoporella herpotrichoides Tapesia yallundae [teleomorph] | |
| Halo spot | Pseudoseptoria donacis Selenophoma donacis | |
| Kernel blight = black point | Alternaria spp. Arthrinium arundinis[2] Apiospora montagnei [teleomorph] Cochliobolus sativus Fusarium spp. | |
| Ascochyta leaf spot[3] | Ascochyta hordei Ascochyta graminea Ascochyta sorghi Ascochyta tritici | |
| Net blotch | Drechslera teres Pyrenophora teres [teleomorph] | |
| Net blotch (spot form) | Drechslera teres f. maculata | |
| Powdery mildew | Erysiphe graminis f.sp. hordei Blumeria graminis Oidium monilioides [anamorph] | |
| Pythium root rot | Pythium spp. Pythium arrhenomanes Pythium graminicola Pythium tardicrescens | |
| Rhizoctonia root rot | Rhizoctonia solani Thanatephorus cucumeris [teleomorph] | |
| Rusts | ||
| Crown rust | Puccinia coronata var. hordei | |
| Leaf rust | Puccinia hordei | |
| Stem rust | Puccinia graminis f.sp. secalis Puccinia graminis f.sp. tritici | |
| Stripe rust = yellow rust | Puccinia striiformis f. sp. hordei | |
| ... | ||
| Scab = head blight | Fusarium spp. Fusarium graminearum | |
| Scald | Rhynchosporium secalis | |
| Septoria speckled leaf blotch | Septoria passerinii Stagonospora avenae f.sp. triticae | |
| Sharp eyespot | Rhizoctonia cerealis Ceratobasidium cereale [teleomorph] | |
| Smuts | ||
| Covered smut | Ustilago hordei | |
| False loose smut | Ustilago nigra Ustilago avenae | |
| Loose smut | Ustilago nuda =Ustilago tritici | |
| Snow molds | ||
| Gray snow mold = Typhula blight | Typhula incarnata Typhula ishikariensis | |
| Pink snow mold = Fusarium patch | Microdochium nivale Fusarium nivale Monographella nivalis [teleomorph] | |
| Speckled snow mold | Typhula idahoensis | |
| ... | ||
| Snow rot | Pythium iwayamae Pythium okanoganense Pythium paddicum | |
| Snow scald = Sclerotinia snow mold | Myriosclerotinia borealis Sclerotinia borealis | |
| Southern blight | Sclerotium rolfsii Athelia rolfsii [teleomorph] | |
| Spot blotch | Cochliobolus sativus Drechslera teres [anamorph] | |
| Stagonospora blotch | Stagonospora avenae f.sp. triticae Phaeosphaeria avenaria f.sp. triticae [teleomorph] Stagonospora nodorum Septoria nodorum Phaeosphaeria nodorum [teleomorph] | |
| Take-all | Gaeumannomyces graminis var tritici | |
| Tan spot | Pyrenophora tritici-repentis Pyrenophora trichostoma Drechslera tritici-repentis [anamorph] Helminthosporium tritici-repentis | |
| Verticillium wilt[4] [5] | Verticillium dahliae | |
| Wirrega blotch | Drechslera wirreganensis | |
| Nematodes, parasitic | ||
|---|---|---|
| Cereal cyst nematode | Heterodera avenae Heterodera filipjevi Heterodera latipons | |
| Cereal root knot nematode | Meloidogyne spp. Meloidogyne naasi Meloidogyne artiellia Meloidogyne chitwoodi | |
| Root gall nematode | Subanguina radicicola | |
| Root lesion nematode | Pratylenchus spp. | |
| Stunt nematode | Merlinius brevidens Tylenchorhynchus dubius Tylenchorhynchus maximus | |
| Virus, viroid and virus-like diseases | ||
|---|---|---|
| African cereal streak | African cereal streak virus | |
| Barley mild mosaic | genus Bymovirus, Barley mild mosaic bymovirus (BaMMV) | |
| Barley mosaic | Barley mosaic virus | |
| Barley stripe mosaic | genus Hordeivirus, Barley stripe mosaic virus (BSMV) | |
| Barley yellow dwarf | genus Luteovirus, Barley yellow dwarf virus (BYDV) | |
| Barley yellow streak mosaic | Barley yellow streak mosaic virus | |
| Barley yellow stripe | virus-like agent | |
| Brome mosaic | genus Bromovirus, Brome mosaic virus (BMV) | |
| Cereal northern mosaic = barley yellow striate mosaic | genus Cytorhabdovirus, Northern cereal mosaic virus (NCMV) | |
| Cereal tillering | genus Reovirus, Cereal tillering disease virus (CTDV) | |
| Chloris striate mosaic | genus Monogeminivirus, Chloris striate mosaic virus (CSMV) | |
| Eastern wheat striate | Eastern wheat striate virus | |
| Enanismo | virus like agent | |
| Hordeum mosaic | genus Rymovirus, Hordeum mosaic virus (HoMV) | |
| Oat blue dwarf | genus Marafivirus, Oat blue dwarf virus(OBDV) | |
| Oat pseudorosette | genus Tenuivirus, Oat pseudorosette virus | |
| Oat sterile dwarf | genus Fijivirus, Oat sterile dwarf virus (OSDV) | |
| Rice black-streaked dwarf | genus Fijivirus, Rice black-streaked dwarf virus (RBSDV) | |
| Rice stripe | genus Tenuivirus, Rice stripe virus (RSV) | |
| Russian winter wheat mosaic | Winter wheat Russian mosaic virus (WWRMV) | |
| Wheat dwarf | genus Monogeminivirus, Wheat dwarf virus (WDV) | |
| Wheat soil-borne mosaic | genus Furovirus, Wheat soil-borne mosaic virus (SBWMV) | |
| Wheat streak mosaic | genus Ryemovirus, Wheat streak mosaic virus (WSMV) | |
| Wheat yellow leaf | genus Closterovirus, Wheat yellow leaf virus (WYLV) | |