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Diseases of Pepper
(Capsicum spp.)

Ken Pernezny, Pam Roberts, John Murphy, and Natalie Goldberg, primary collators 

BACTERIAL DISEASES

Bacterial spot

Xanthomonas campestris pv. vesicatoria (Doidge) Dye and X. vesicatoria

Bacterial wilt

Ralstonia solanacearum (E. F. Smith) Yabuuchi et al.

Bacterial canker

Clavibacter michiganensis subsp. michiganensis

Syringae seedling blight and leaf spot

Pseudomonas syringae van Hall

P. syringae pv. syringae

FUNGAL AND RELATED DISEASES

Anthracnose

Colletotrichum gloeosporioides (Penz.) Penz. & Sacc.

    in Penz.

C. capsici (Syd.) E. J. Butler & Bisby

    Glomerella cingulata (Stoneman) Spauld. &

    H. Schrenk [teleomorph]

C. coccodes (Wallr.) S. J. Hughes

Cercospora (frogeye) leaf spot

Cercospora capsici Heald & F. A. Wolf

Charcoal rot

Macrophomina phaseolina (Tassi) Goidanich

Choanephora blight (wet rot)

Choanephora cucurbitarum (Berk. & Ravenel) Thaxt.

Damping-off and root rot

Rhizoctonia solani Kuhn

Phytophthora spp.

Fusarium spp.

Pythium spp.

Downy mildew

Peronospora tabacina D. B. Adam

Fusarium stem rot

Fusarium solani (Mart.) Appel & Wollenw. emend. Snyd.

& Hans.

Fusarium wilt

Fusarium oxysporum Schlechtend.: Fr. f. sp. capsici

f. sp. nov.

Gray leaf spot

Stemphylium solani G. F. Weber

S. lycopersici (Enjoji) W. Yamamoto

Gray mold

Botrytis cinerea Pers.:Fr.

Phytophthora blight

Phytophthora capsici Leonian

Powdery mildew

Oidiopsis sicula Scalia

    O. taurica E. S. Salmon [synanamorph]

    Leveillula taurica (Lev.) Arn. [teleomorph]

Southern blight

Sclerotium rolfsii Sacc.

    Athelia rolfsii (Curzi) Tu & Kimbrough [teleomorph]

Verticillium wilt

Verticillium albo-atrum Reinke & Berthold

V. dahliae Kelb.

White mold

Sclerotinia sclerotiorum (Lib.) de Bary

NEMATODE DISEASES

Root knot

Meloidogyne incognita (Kofoid & White) Chitwood

M. hapla Chitwood

M. javanica (Treub) Chitwood

M. arenaria (Neal) Chitwood

Sting nematode

Belonolaimus longicaduatus Rau

Other nematodes

Paratrichodorus spp.

Trichodorus spp.

Pratylenchus penetrans (Cobb) Filipjev & Schuurmans

    Stekhoven

Nacobbus aberrans (Thorne) Thorne & Allen

Dolichodorus heterocephalus Cobb

Helicotylenchus dihystera (Cobb) Sher

Hemicycliophora arenaria Raski

Radopholus similis (Cobb) Filipjev

DISEASES CAUSED BY PARASITIC SEED PLANTS

Dodder

Cuscuta spp.

VIRAL DISEASES

Alfalfa mosiac

genus Alfamovirus, Alfalfa mosaic virus (AMV)

Andean potato mottle

genus Comovirus, Andean potato mottle virus-pepper strain (APMoV)

Beet curly top

genus Curtovirus, Beet curly top virus (BCTV)

Chili leaf curl

Possibly strain of Tobacco leaf curl virus (TLCV)

Chili veinal mottle

genus Potyvirus, Chili veinal mottle virus (ChiVMV)

Chino del tomate

genus Begomovirus, Chino del tomate virus (CdTV)

Cucumber mosaic

genus Cucumovirus, Cucumber mosaic virus (CMV)

Pepper golden mosaic complex (previously Texas Pepper, Serrano Golden Mosaic, and Pepper Mild Tigre Viruses)

genus Begomorvirus, Serrano golden mosaic virus (SGMV), Pepper mild tigre virus (PMTV), and others

Pepper huasteco

genus Begomovirus, Pepper huasteco virus (PHV)

Pepper mild mottle

genus Tobamovirus, Pepper mild mottle virus (PMMV)

Pepper mottle

genus Potyvirus, Pepper mottle virus (PepMoV)

Pepper veinal mottle

genus Potyvirus, Pepper veinal mottle virus (PVMV)

Potato virus Y

genus Potyvirus, Potato virus Y (PVY)

Sinaloa tomato leaf curl

genus Begomovirus, Sinaloa tomato leaf curl virus (TCLV)

Tobacco etch

genus Potyvirus, Tobacco etch virus (TEV)

Tobacco mosaic and Tomato mosaic

genus Tobamovirus, Tobacco mosaic virus (TMV) and Tomato mosaic virus (ToMV)

Tomato spotted wilt

genus Tospovirus, Tomato spotted wilt virus (TSWV)

POSTHARVEST DISEASES

Bacterial soft rot

Erwinia carotovora subsp. carotovora (L. R. Jones)

    Bergey et al.

E. carotovora subsp. atroseptica (Van Hall) Dye

E. chrysanthemi (Burkholder et al.)

Pseudomonas spp.

Alternaria rot

Alternaria alternata (Fries) Keissler

Botrytis fruit rot

Botrytis cinerea Pers.:Fr.

Rhizopus rot

Rhizopus stolonifer (Ehrenb.:Fr) Vuill.

ABIOTIC DISORDERS

Blossom-end rot

Deficiency of calcium in fruit

Sunscald

Exposure of fruit to sunlight and heat