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Diseases of Sorghum
(Sorghum bicolor (L.) Moench)

C. W. Horne and R. A. Frederiksen, collators (last update 3/18/93)


BACTERIAL DISEASES

Bacterial leaf spot
Pseudomonas syringae van Hall
Bacterial leaf streak
Xanthomonas campestris pv. holcicola (Elliott) Dye
Bacterial leaf stripe
Pseudomonas andropogonis (Smith) Stapp

FUNGAL DISEASES

Acremonium wilt
Acremonium strictum W. Gams
= Cephalosporium acremonium Auct. non Corda
Anthracnose (foliar, head, root and stalk rot)
Colletotrichum graminicola (Ces.) G.W. Wils.
(teleomorph: Glomerella graminicola Politis)
Charcoal rot
Macrophomina phaseolina (Tassi) Goidanich
Crazy top downy mildew
Sclerophthora macrospora (Sacc.) Thirumalachar et al.
= Sclerospora macrospora Sacc.
Damping-off and seed rot
Aspergillus spp., Exserohilium sp., Fusarium spp., Penicillium spp., Pythium spp., Rhizoctonia spp., and other species.
Ergot*
Sphacelia sorghi McRae
(teleomorph: Claviceps sorghi P. Kulkarni et al.)
Fusarium head blight, root and stalk rot
Fusarium moniliforme J. Sheld.
(teleomorph: Gibberella fujikuroi (Sawada) Ito in Ito &
   K. Kimura)
Fusarium spp.
Grain storage mold
Aspergillus spp., Penicillium spp. and other species.
Gray leaf spot
Cercospora sorghi Ellis & Everh.
Latter leaf spot
Cercospora fusimaculans Atk.
Leaf blight
Setosphaeria turcica (Luttrell) K.J. Leonard & E.G. Suggs
(anamorph: Exserohilum turcicum (Pass.) K.J. Leonard
   & E.G. Suggs
= Helminthosporium turcicum Pass.)
Milo disease (Periconia root rot)
Periconia circinata (M. Mangin) Sacc.
Oval leaf spot*
Ramulispora sorghicola E. Harris
Pokkah Boeng (twisted top)
Gibberella fujikuroe var subglutinans Edwards
(anamorph: Fusarium moniliforme var. subglutinans
  
Wollenweb. & Reink.)
Pythium root rot
Pythium spp.
P. graminicola Subramanian
Rough leaf spot
Ascochyta sorghi Sacc.
Rust
Puccinia purpurea Cooke
Seedling blight and seed rot
Colletotrichum graminicola (Ces.) G.W. Wils.
Exserohilum turcicum (Pass.) K.J. Leonard and E.G. Suggs
Fusarium moniforme J. Sheld.
Pythium spp.
P. aphanidermatum (Edson) Fitzp.
Smut, covered kernel
Sporisorium sorghi Link in Willd.
= Sphacelotheca sorghi (Link) G.P. Clinton
Smut, head
Sphacelotheca reiliana (Kühn) G.P. Clinton
= Sporisorium holci-sorghi (Rivolta) K. Vanky
Smut, loose kernel
Sporisorium cruentum (Kühn) K. Vanky
= Sphacelotheca cruenta (Kühn) A.A. Potter
Sooty stripe
Ramulispora sorghi (Ellis & Everh.) Olive & Lefebvre in Olive et al.
Sorghum downy mildew
Peronosclerospora sorghi (W. Weston & Uppal) C.G. Shaw
= Sclerospora sorghi W. Weston & Uppal
Tar spot*
Phyllachora sacchari P. Henn.
Target leaf spot
Bipolaris cookei (Sacc.) Shoemaker
= Helminthosporium cookei Sacc.
Zonate leaf spot and sheath blight
Gloeocercospora sorghi Bain & Edgerton ex Deighton

NEMATODES, PARASITIC

Awl
Dolichodorus spp.
Dagger, American
Xiphinema americanum Cobb
Lesion
Pratylenchus spp.
Needle
Longidorus africanus Merny and other species
Pin
Paratylenchus spp.
Reniform
Rotylenchus spp.
Ring
Criconemella spp.
Root-knot
Meloidogyne spp.
Spiral
Helicotylenchus spp.
Sting
Belonolaimus longicaudatus Rau
Stubby-root
Paratrichodorus spp.
P. minor (Colbran) Siddiqi
Stunt
Tylenchorhynchus spp.
Merlinius brevidens (Allen) Siddiqi

VIRUS DISEASES

(Also a mycoplasmalike organism [MLO])
Maize chlorotic dwarf
Maize chlorotic dwarf virus
Maize dwarf mosaic
Maize dwarf mosaic virus
Sugarcane mosaic
Sugarcane mosaic virus
Yellow sorghum stunt
Yellow sorghum stunt MLO

*Not known to occur naturally in the United States.