This article is a list of diseases of spinach (Spinacia oleracea).
| Bacterial diseases | |
|---|---|
| Bacterial leaf spot | Pseudomonas syringae pv. spinacea |
| Bacterial soft rot | Erwinia carotovora |
| Witches’-broom | Rickettsia-like organism |
| Fungal diseases | |
|---|---|
| Anthracnose | Colletotrichum dematium Colletotrichum spinaciae |
| Aphanomyces root rot | Aphanomyces cochlioides Aphanomyces cladogamus |
| Cercospora leaf spot | Cercospora beticola |
| Damping-off | Pythium aphanidermatum Pythium irregulare Pythium ultimum Rhizoctonia solani Thanatephorus cucumeris [teleomorph] |
| Downy mildew = blue mold | Peronospora effusa |
| Fusarium wilt | Fusarium oxysporum f.sp. spinacia |
| Leaf spot | Alternaria spp. Ascochyta spinaciae Cercospora spp. Cladosporium spp. Myrothecium spp. Phyllosticta spp. Ramularia spinaciae Other fungi |
| Phoma blight | Phoma nebulosa |
| Phytophthora root rot | Phytophthora cryptogea Phytophthora megasperma |
| Pythium root rot | Pythium aphanidermatum Pythium heterothallicum Pythium sylvaticum |
| Red rust | Puccinia aristidae Aecidium caspicum [anamorph] |
| Seed mold | Alternaria spp. Curvularia spp. Other fungi |
| White rust | Albugo occidentalis |
| White smut | Entyloma ellisii |
| Nematodes, parasitic | |
|---|---|
| Beet cyst nematode | Heterodera schachtii |
| Clover cyst nematode | Heterodera trifolii |
| Root knot | Meloidogyne spp. |
| Root lesion | Pratylenchus spp. |
| Viral diseases | |
|---|---|
| Curly top | genus Hybrigeminivirus, Beet curly top virus (BCTV) |
| Speckles | genus Luteovirus, Beet western yellows virus (BWYV) genus Umbravirus, Lettuce speckles mottle virus (LSMV) |
| Spinach blight | genus Fabavirus, Broad bean wilt virus (BBWV) genus Cucumovirus, Cucumber mosaic virus (CMV) Other viruses |
| Spinach mosaic | genus Potyvirus, Beet mosaic virus (BtMV) genus Tobamovirus, Tobacco mosaic virus (TMV) Other viruses |
| Yellow dwarf | Unidentified virus |
| Yellows | genus Luteovirus, Beet western yellows virus (BWYV) genus Cucumovirus, Cucumber mosaic virus (CMV) genus Tospovirus, Tomato spotted wilt virus (TSWV) genus Potyvirus, Turnip mosaic virus (TuMV) |
| Miscellaneous diseases and disorders | |
|---|---|
| Heart-leaf disorder | Low light, wide diurnal air temperature fluctuations, low soil temperatures |
| Leaf necrosis and scorch | Ozone and other air pollutants |
| Tip burn | Unknown |
| Yellows | Nutritional disorders |