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Diseases of Tomato
(Lycopersicon esculentum Mill.)

J. P. Jones, J. B. Jones, R. E. Stall, and T. A. Zitter, collators (last update 3/19/93)


BACTERIAL DISEASES

Bacterial canker
Clavibacter michiganensis subsp. michiganensis (Smith) Davis et al.
Bacterial speck
Pseudomonas syringae pv. tomato (Okabe) Young et al.
Bacterial spot
Xanthomonas campestris pv. vesicatoria (Doidge) Dye
Bacterial stem rot and fruit rot
Erwinia carotovora subsp. carotovora (Jones) Bergey et al.
Bacterial wilt
Pseudomonas solanacearum (Smith) Smith
Pith necrosis
Pseudomonas corrugata Roberts & Scarlett
Syringae leaf spot
Pseudomonas syringae pv. syringae van Hall

FUNGAL DISEASES

Alternaria stem canker
Alternaria alternata (Fr.:Fr.) Keissl. f. sp. lycopersici Grogan et al.
Anthracnose
Colletotrichum coccodes (Wallr.) S.J. Hughes
C. dematium (Pers.) Grove
C. gloeosporioides (Penz.) Penz. & Sacc. in Penz.
(teleomorph: Glomerella cingulata (Stoneman) Spauld. &
   H. Schrenk)
Black mold rot
Alternaria alternata (Fr.:Fr.) Keissl.
Stemphylium botryosum Wallr.
(teleomorph: Pleospora tarda E. Simmons)
S. herbarum E. Simmons
(teleomorph: Pleospora herbarum (Pers.:Fr.) Rabenh.
= P. lycopersici El. Marchal & Em. Marchal)
Ulocladium consortiale (Thuem.) E. Simmons
= S. consortiale (Thuem.) Groves & Skolko
Black root rot
Thielaviopsis basicola (Berk. & Broome) Ferraris
(synanamorph: Chalara elegans Nag Raj & Kendrick)
Black shoulder
Alternaria alternata (Fr.:Fr.) Keissl.
Buckeye fruit and root rot
Phytophthora capsici Leonian
P. dreshsleri Tucker
P. nicotianae Breda de Haan var. parasitica (Dastur) G.M.
   Waterhouse
= P. parasitica Dastur
Cercospora leaf mold
Pseudocercospora fuligena (Roldan) Deighton
= Cercospora fuligena Roldan
Charcoal rot
Macrophomina phaseolina (Tassi) Goidanich
Corky root rot
Pyrenochaeta lycopersici R. Schneider & Gerlach
Didymella stem rot
Didymella lycopersici Kleb.
Early blight
Alternaria solani Sorauer
Fusarium crown and root rot
Fusarium oxysporum Schlechtend.:Fr. f. sp. radicis-lycopersici W.R. Jarvis & Shoemaker
Fusarium wilt
Fusarium oxysporum Schlechtend.:Fr. f. sp. lycopersici (Sacc.) W.C. Snyder & H.N. Hans.
Gray leaf spot
Stemphylium botryosum Wallr. f. sp. lycopersici Rotem
   et al.
S. lycopersici (Enjoji) W. Yamamoto
= S. floridanum Hannon & G.F. Weber
S. solani G.F. Weber
Gray mold
Botrytiscinerea Pers.:Fr.
(teleomorph: Botryotinia fuckeliana (de Bary) Whetzel)
Late blight
Phytophthora infestans (Mont.) de Bary
Leaf mold
Fulvia fulva (Cooke) Cif.
= Cladosporium fulvum Cooke
Phoma rot
Phoma destructiva Plowr.
Powdery mildew
Oidiopsis sicula Scalia
(teleomorph: Leveillula taurica (Lév.) G. Arnaud)
Pythium damping-off and fruit rot
Pythium aphanidermatum (Edson) Fitzp.
P. arrhenomanes Drechs.
P. debaryanum Auct. non R. Hesse
P. myriotylum Drechs.
P. ultimum Trow
Rhizoctonia damping-off and fruit rot
Rhizoctonia solani Kühn
(teleomorph: Thanatephorus cucumeris (A.B. Frank) Donk)
Rhizopus rot
Rhizopus stolonifer (Ehrenb.:Fr.) Vuill.
Septoria leaf spot
Septoria lycopersici Speg.
Sour rot
Geotrichum candidum Link
(teleomorph: Galactomyces geotrichum (E.E. Butler &
   L.J. Petersen) Redhead & Malloch)
G. penicillatum (do CarmoSousa) Arx
Southern blight
Sclerotium rolfsii Sacc.
(teleomorph: Athelia rolfsii (Curzi) Tu & Kimbrough)
Target spot
Corynespora cassiicola (Berk. & M.A. Curtis) C.T. Wei
Verticillium wilt
Verticillium albo-atrum Reinke & Berthier
V. dahliae Kleb.
White mold
Sclerotinia sclerotiorum (Lib.) de Bary
S. minor Jagger

MISCELLANEOUS DISEASES OR DISORDERS

Autogenous necrosis
Genetic
Fruit pox
Genetic
Gold fleck
Genetic
Graywall
Undetermined etiology

NEMATODES, PARASITIC

Root-knot
Meloidogyne spp.
Sting
Belonolaimus longicaudatus Rau
Stubby-root
Paratrichodorus spp.
Trichodorus spp.

VIRUS DISEASES

(Also viroids and mycoplasmalike organisms [MLO])
Common mosaic of tomato (internal browning of fruit)
Tobacco mosaic virus (TMV)
Curly top
Curly top virus
Potato virus Y
Potato virus Y
Pseudo curly top
Pseudo curly top virus
Tomato bushy stunt
Tomato bushy stunt virus
Tomato etch
Tobacco etch virus
Tomato fern leaf
Cucumber mosaic virus
Tomato mosaic
Tomato mosaic virus (ToMV)
Tomato mottle
Tomato mottle gemini virus
Tomato necrosis
Alfalfa mosaic virus
Tomato spotted wilt
Tomato spotted wilt virus
Tomato yellow leaf curl
Tomato yellow leaf curl virus
Tomato yellow top
Tomato yellow top virus
Tomato bunchy top
Tomato bunchy top viroid
Tomato planto macho
Tomato planto macho viroid
Aster yellows
MLO
Tomato big bud
MLO