Diseases of Spinach
(Spinacia oleracea L.)

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)

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.

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)

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

Diseases of Spinach(Spinacia oleracea L.)