Common Names of Plant Diseases

Diseases of Spinach
(Spinacia oleracea L.)

Donald R. Sumner, primary collator (last update 9/1/00)

BACTERIAL DISEASES

Bacterial leaf spot

Pseudomonas syringae pv. spinacea van Hall 1902 (Japan)

Bacterial soft rot

Erwinia carotovora (Jones 1901) Bergey et al. 1923

Witches’-broom

Rickettsia-like organism (Italy)

FUNGAL DISEASES

Anthracnose

Colletotrichum dematium (Pers.:Fr.) Grove

= C. spinaciae Ellis & Halst

Aphanomyces root rot

Aphanomyces cochlioides Drechs.

A. cladoganus Drechs. (Sweden)

Cercospora leaf spot

Cercospora beticola Sacc.

Damping-off

Pythium aphanidermatum (Edson) Fitzp.

P. irregular Buisman

P. ultimum Trow

Rhizoctonia solani Kühn

    Thanatephorus cucumeris (A. B. Frank) Donk [telemorph]

Downy mildew = blue mold

Peronospora effusa (Grev.) Tul.

Fusarium wilt

Fusarium oxysporum Schlechtend.:Fr. f. sp. spinaciae (Sherb.) W. C. Snyder & H. H. Hans

Leaf spot

Alternaria spp.

Ascochyta spinaciae Bondartzeva-Monteverde (Russia)

Cercospora spp.

Cladosporium spp.

Myrothecium spp. (India)

Phyllosticta spp.

Ramularia spinaciae Nypels (Belgium)

Other fungi

Phoma blight

Phoma nebulosa (Pers. Fr.) Berk (India)

Phytophthora root rot

Phytophthora cryptogea Pethbr. & Lafferty

P. megasperma Drechs.

Pythium root rot

Pythium aphanidermatum (Edson) Fitzp.

P. heterothallicum W. A. Campbell & J. W. Hendrix
   (Sweden)

P. sylvaticum W. A. Campbell & J. W. Hendrix (Sweden)

Red rust

Puccinia aristidae Tracy

    Aecidium caspicum Jacz. [anamorph]

Seed mold

Alternaria spp.

Curvularia spp.

Other fungi

White rust

Albugo occidentalis G. W. Wils.

White smut

Entyloma ellisii Halst.

NEMATODES, PARASITIC

Beet cyst nematode

Heterodera schactii Schmidt

Clover cyst nematode

Heterodera trifolii Goffart

Root knot

Meloidogyne spp.

Root esion

Pratylenchus spp.

VIRAL AND VIROID 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 mosiac virus (CMV)

Other viruses

Spinach mosiac

genus Potyvirus, Beet mosiac virus (BtMV)

genus Tobamovirus, Tobacco mosiac virus (TMV)

Other viruses

Yellow dwarf

Unidentified virus

Yellows

genus Luteovirus, Beet western yellows virus (BWYV)

genus Cucumovirus, Cucumber mosiac virus (CMV)

genus Tospovirus, Tomato spotted wilt virus (TSWV)

genus Potyvirus, Turnip mosiac virus (TuMV) (Czech
   Republic)

PHYTOPLASMAL DISEASES

Aster yellows

Phytoplasma

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