This article is a list of diseases of Capsicum species.
| Bacterial diseases | |
|---|---|
| Bacterial spot | Xanthomonas campestris pv. vesicatoria |
| Bacterial wilt | Ralstonia solnacearum |
| Bacterial canker | Clavibacter michiganensis subsp. michiganensis |
| Syringae seedling blight and leaf spot | Pseudomonas syringae P. syringae pv. syringae |
| Crown Gall | Agrobacterium tumefaciens |
| Fungal diseases | |
|---|---|
| Anthracnose | Colletotrichum gloeosporioides Colletotrichum capsici Glomerella cingulata [teleomorph] Colletotrichum coccodes |
| Cercospora (frogeye) leaf spot | Cercospora capsici |
| Charcoal rot | Macrophomina phaseolina |
| Choanephora blight (wet rot) | Choanephora cucurbitarum |
| Damping-off and root rot | Rhizoctonia solani Phytophthora spp. Fusarium spp. Pythium spp. |
| Downy mildew | Peronospora tabacina |
| Fusarium stem rot | Fusarium solani |
| Fusarium wilt | Fusarium oxysporum f.sp. capsici |
| Gray leaf spot | Stemphylium solani Stemphylium lycopersici |
| Gray mold | Botrytis cinerea |
| Phytophthora blight | Phytophthora capsici |
| Powdery mildew | Oidiopsis sicula Oidiopsis taurica [synanamorph] Leveillula taurica [teleomorph] |
| Southern blight | Sclerotium rolfsii Athelia rolfsii [teleomorph] |
| Verticillium wilt | Verticillium albo-atrum Verticillium dahliae |
| White mold | Sclerotinia sclerotiorum |
| Nematodes, parasitic | |
|---|---|
| Root knot | Meloidogyne incognita Meloidogyne hapla Meloidogyne javanica Meloidogyne arenaria |
| Sting nematode | Belonolaimus longicaudatus |
| Other nematodes | Paratrichodorus spp. Trichodorus spp. Pratylenchus penetrans Nacobbus aberrans Dolichodorus heterocephalus Helicotylenchus dihystera Hemicycliophora arenaria Radopholus similis |
| Viral diseases | |
|---|---|
| Alfalfa mosaic | 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 | genus Begomovirus, Chili leaf curl virus (ChiLCV); Possibly strain of Tobacco leaf curl virus (TLCV) |
| Chilli veinal mottle | genus Potyvirus, Chilli 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 Begomovirus, Serrano golden mosaic virus (SGMV), Pepper mild tigre virus (PMTV), and others |
| Pepper huasteco | genus Begomovirus, Pepper huasteco virus (PHV) |
| Pepper leaf curl | genus Begomovirus, Pepper leaf curl virus (PepLCV) |
| 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) |
| Postharverst diseases | |
|---|---|
| Bacterial soft rot | Erwinia carotovora subsp. carotovora E. carotovora subsp. atroseptica E. chrysanthemi Pseudomonas spp. |
| Alternaria rot | Alternaria alternata |
| Botrytis fruit rot | Botrytis cinerea |
| Rhizopus rot | Rhizopus stolonifer |
| Abiotic diseases | |
|---|---|
| Blossom-end rot | Deficiency of calcium in fruit |
| Sunscald | Exposure of fruit to sunlight and heat |