This article is a list of diseases of spinach (Spinacia oleracea).

Bacterial diseases

Bacterial diseases
Bacterial leaf spot Pseudomonas syringae pv. spinacea
Bacterial soft rot Erwinia carotovora
Witches’-broom Rickettsia-like organism

Fungal and Oomycete diseases

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

Nematodes, parasitic
Beet cyst nematode Heterodera schachtii
Clover cyst nematode Heterodera trifolii
Root knot Meloidogyne spp.
Root lesion Pratylenchus spp.

Viral diseases

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)

Phytoplasmal diseases

Phytoplasmal diseases
Aster yellows Phytoplasma

Miscellaneous diseases and disorders

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

References

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