- Anthracnose
- Colletotrichum graminicola (Ces.) G. W. Wils.
-
Glomerella graminicola Politis [teleomorph]
- Barley stripe
- Drechslera graminea (Rabenh.) Shoemaker
- Cephalosporium stripe
- Hymenula cerealis Ellis & Everh.
-
= Cephalosporium gramineum Nisikado & Ikata in
Nisikado et al.
- Common root rot, crown rot and seedling blight
- Bipolaris sorokiniana (Sacc.) Shoemaker
-
Fusarium culmorum (Wm. G. Smith) Sacc.
-
F. graminearum Schwabe
-
Gibberella zeae (Schwein.) Petch [teleomorph]
- Downy mildew
- Sclerophthora rayssiae Kenneth et al.
- Dwarf bunt
- Tilletia controversa Kuhn in Rebenh.
- Ergot
- Claviceps purpurea (Fr.:Fr.) Tul.
-
Sphacelia segetum Lev. [anamorph]
- Eyespot
- Pseudocercosoporella herpotrichoides (Fron) Deighton
-
Tapesia yallundae Wallwork & Spooner [teleomorph]
- Halo spot
- Pseudoseptoria donacis (Pass.) Sutton
-
= Selenophoma donacis (Pass.) R. Sprague & A.G. Johnson = Septoria donacis
- Kernel blight = black point
- Alternaria spp.
-
Arthrinium arundinis Dyko. & Sutton
-
Apiospora montagnei Sacc. [teleomorph]
-
Cochliobolus sativus (Ito & Kuribayashi) Drechs. Ex Dastur
-
Fusarium spp.
- Leaf spot
- Ascochyta hordei K. Hara (United States, Japan)
-
A. graminea (Sacc.) R. Sprague & A. G. Johnson
-
A. sorghi Sacc.
-
A. tritici S. Hori & Enjoji
- Net blotch
- Drechslera teres (Sacc.) Shoemaker
-
Pyrenophora teres Drechs. [teleomorph]
- Net blotch (spot form)
- Drechslera teres f. maculata Smedeg.
- Powdery mildew
- Erysiphe graminis DC. f. sp. hordei Em. Marchal
-
= Blumeria graminis (DC.) E. O. Speer
-
Oidium monilioides (Nees) Link [anamorph]
- Pythium root rot
- Pythium spp.
-
P. arrhenomanes Drechs.
-
P. graminicola Subramanian
-
P. tardicrescens Vanderpool
- Rhizoctonia root rot
- Rhizoctonia solani Kuhn
-
Thanatephorus cucumeris (A. B. Frank) Donk
[teleomorph]
- Rusts
- Crown rust
- Puccinia coronata Corda
- Leaf rust
- Puccinia hordei Otth
- Stem rust
- Puccinia graminis Pers.:Pers.
- Stripe rust = yellow rust
- Puccinia striiformis Westend.
- Scab = head blight
- Fusarium spp.
-
F. graminearum Schwabe
- Scald
- Rhynchosporium secalis (Oudem.) J. J. Davis
- Septoria speckled leaf blotch
- Septoria passerinni Sacc.
-
Stagonospora avenae f. sp. triticea T. Johnson
- Sharp eyespot
- Rhizoctonia cerealis Van der Hoeven
-
Ceratobasidium cereale D. Murray & L. L. Burpee
-
[teleomorph]
- Smuts
- Covered smut
- Ustilago hordei (Pers.) Lagerh.
- False loose smut
- Ustilago avenae (Pers.) Rostr.
-
= U. nigra Tapke
- Loose smut
- Ustilago tritici (Pers.) Rostr.
-
= U. nuda (C. N. Jensen) Rostr., nom. nud.
- Snow molds
- Gray snow mold = Typhula blight
- Typhula incarnata Fr.
-
T. ishikariensis Imai
- Pink snow mold = Fusarium patch
- Microdochium nivale (Fr.) Samuel & I. C. Hallett
-
= Fusarium nivale (Fr.) Sorauer
-
Monographella nivalis (Schaffnit) E. Müller [teleomorph]
- Speckled snow mold
- Typhula idahoensis Remsberg
- Snow rot
- Pythium iwayamai Ito
-
P. okanoganense Lipps
-
P. paddicum Harane
- Snow scald = Sclerotinia snow mold
- Myriosclerotinia borealis (Bubak & Vleugel) L. M. Kohn
-
= Sclerotinia borealis Bubak & Vleugel
- Southern blight
- Sclerotium rolfsii Sacc. (India, California, Puerto Rico)
-
Athelia rolfsii (Curzi) Tu & Kimbrough [teleomorph]
- Spot blotch
- Cochliobolus sativus (Ito & Kuribayashi) Drechs. ex Dastur
-
Bipolaris sorokiniana (Sacc.) Shoemaker [anamorph]
- Stagonospora blotch
- Stagonospora avenae f. sp. triticea T. Johnson
-
Phaeosphaeria avenaria f. sp. triticea T. Johnson
[teleomorph]
-
Stagonospora nodrum (Berk.) Castellani & E. G. Germano
-
= Septoria nodorum (Berk.) Berk. in Berk. & Broome
-
Phaeosphaeria nodorum (E. Muller) Hedjaroude
[teleomorph]
- Take-all
- Gaeumannomyces graminis var. tritici J. Walker
- Tan spot
- Pyrenophora tritici-repentis (Died.) Drechs.
-
= P. trichostoma (Fr.) Fuckel
-
Drechslera tritici-repentis (Died.) Shoemaker [anamorph]
-
= Helminthosporium tritici-repentis Died.
- Verticillium wilt
- Verticillium dahliae Kleb. (Idaho)
- Wirrega blotch
- Drechslera wirreganensis Wallwork et al. (Australia)
