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

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