This is a list of diseases of the African daisy (Gerbera jamesonii) plant
| Bacterial diseases | ||
|---|---|---|
| Bacterial leaf spot | Pseudomonas tumconis | |
| Southern wilt | Ralstonia solanacearum = Pseudomonas solanacearum | |
| Fungal diseases | |
|---|---|
| Ascochyta leaf spot | Ascochyta doronici |
| Alternaria leaf spot | Alternaria alternata Alternaria dauci Alternaria gerberae |
| Black root rot | Thielaviopsis basicola |
| Botrytis blight | Botrytis cinerea |
| Cercospora leaf spot | Cercospora gerberae |
| Downy mildew | Plasmopara majewskii |
| Fusarium crown rot | Fusarium solani = Haematonectria haematococca |
| Fusarium root rot | Fusarium oxysporum |
| Fusarium wilt | Fusarium oxysporum |
| Nectria canker | Fungi ContigugliI = Haematonectria haematococca |
| Phyllosticta leaf spot | Phyllosticta sp. |
| Phytophthora crown and root rot | Phytophthora cryptogea Phytophthora parasitica = Phytophthora nicotianae |
| Powdery mildew | Erysiphe cichoracearum Sphaerotheca sp. |
| Pythium root rot | Pythium spp. |
| Rhizoctonia root and crown rot | Rhizoctonia solani |
| Rhizopus blight | Rhizopus stolonifer |
| Sclerotinia blight | Sclerotinia sclerotiorum |
| Septoria leaf spot | Septoria sp. |
| Southern blight | Sclerotium rolfsii |
| Verticillium wilt | Verticillium albo-atrum |
| Web blight | Rhizoctonia solani |
| White rust | Pustula sp. |
| Nematodes, parasitic | |
|---|---|
| Foliar nematode | Aphelenchoides fragariae |
| Root knot nematodes | Meloidogyne arenaria Meloidogyne hapla Meloidogyne gajuscus Meloidogyne fruglia |
| Sting nematode | Belonolaimus longicaudatus |
| Stubby root nematode | Paratrichodorus minor |
| Virus and viroid diseases | |
|---|---|
| Cucumber mosaic | genus Cucumovirus, Cucumber mosaic virus (CMV) |
| Impatiens necrotic spot | genus Tospovirus, Impatiens necrotic spot virus (INSV) |
| Spotted wilt | genus Tospovirus, Tomato spotted wilt virus (TSWV) |
| Tobacco mosaic | genus Tobamovirus, Tobacco mosaic virus (TMV) |
| Tobacco ring spot | genus Tobravirus, Tobacco rattle virus (TRV) |