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Diseases of Pea
(Pisum sativum L.)

D. J. Hagedorn, primary collator; updated by J. M. Kraft (last update 12/18/00)


BACTERIAL DISEASES

Bacterial blight
Pseudomonas syringae pv. pisi (Sackett 1916) Young, Dye & Wilkie 1978
Brown spot
Pseudomonas syringae subsp. syringae van Hall 1902

FUNGAL DISEASES

Alternaria blight
Alternaria alternata (Fr.:Fr.) Keissl.
Anthracnose
Colletotrichum gloeosporioides (Penz.) Penz. & Sacc. in Penz.
= C. pisi Pat.
    Glomerella cingulata (Stoneman) Spauld. & H. Schrenk
    [teleomorph]
Aphanomyces root rot
Aphanomyces euteiches Drechs. f. sp. pisi W.F. Pfender & D. J. Hagedorn
Ascochyta blight
Mycosphaerella pinodes (Berk. & A. Bloxam) Vestergr.
    Ascochyta pinodes L.K. Jones [anamorph]
Ascochyta foot rot and black stem
Phoma pinodella (L.K. Jones) Morgan-Jones & K.B. Burch
= Ascochyta pinodella L.K. Jones
Ascochyta leaf and pod spot
Ascochyta pisi Lib.
Black leaf
Fusicladium pisicola Linford
Cercospora leaf spot
Cercospora pisa-sativae J. A. Stevenson
Cladosporium blight
Cladosporium cladosporioides (Fresen.) G. A. De Vries
    f. sp. pisicola (W.C. Snyder) G. A. De Vries
= C. pisicola W.C. Snyder
Damping off, seed rot
Pythium spp.
Downy mildew
Peronospora viciae (Berk.) Casp.
Fusarium root rot
Fusarium solani (Mart.) Sacc. f. sp. pisi (F.R. Jones) W.C. Snyder & H.N. Hans.
Gray mold
Botrytis cinerea Pers.:Fr.
    Botryotinia fuckeliana (de Bary) Whetzel [teleomorph]
Near wilt
Fusarium oxysporum Schlecht. f. sp. pisi (J.C. Hall) W.C. Snyder & H.N. Hans. race 2
Powdery mildew
Erysiphe pisi DC.
    Oidium sp. [anamorph]
Pythium root rot and root tip necrosis
Pythium spp.
Rhizoctonia seedling rot
Rhizoctonia solani Kühn (AG-4)
    Thanatephorus cucumeris (A. B. Frank) Donk
    [teleomorph]
Rust
Uromyces fabae (Grev.) Fuckel
Sclerotinia rot = white mold
Sclerotinia sclerotiorum (Lib.) de Bary
Septoria blotch
Septoria pisi Westend.
Thielaviopsis root rot – black root rot
Thielaviopsis basicola (Berk & Broome) Ferraris
    Chalara elegans Nag Raj & Kendrick [synanamorph]
Wilt
Fusarium oxysporum Schlecht. f. sp. pisi (van Hall) W.C. Snyder & H.N. Hans.
    Race 1
Snyder and Hansen-1932
    Race 5
Haglund and Kraft-1970
    Race 6
Haglund and Kraft-1979

NEMATODES, PARASITIC

Cyst nematode
Heterodera goettingiana Liebscher
Lesion nematode
Pratylenchus spp.
Root-knot nematode
Meloidogyne incognita (Kofold & White) Chitwood

VIRAL DISEASES

Cucumber mosaic virus
genus Cucumovirus, Cucumber mosaic virus (CMV)
Pea early browning virus
genus Tobravirus, Pea early browning virus (PEBV)
Pea enation mosaic
genus Enamovirus, Pea enation mosaic virus (PEMV)
Pea leaf roll
genus Luteovirus, Bean leaf roll virus (BLRV)
Pea mosaic
genus Potyvirus, Bean yellow mosaic virus (BYMV)
genus Comovirus, Pea mild mosaic virus (PmiMV)
Pea seedborne mosaic
genus Potyvirus, Pea seed-borne mosaic virus (PSbMV)
Pea streak
genus Alfamovirus, Alfalfa mosaic virus (AMV)
    Western pea streak virus
genus Carlavirus, Pea streak virus (PeSV) (= Wisconsin pea
    streak virus)
Pea stunt
genus Carlavirus, Red clover vein mosaic virus (RCVMV)

MISCELLANEOUS DISORDERS

Freezing injury
Freezing temperatures
Hollow heart
Premature seed maturation and senescence
Marsh spot
Manganese deficiency
Purple blight
Manganese toxicity
Water congestion
High soil moisture, warm temperatures