List of canola diseases

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This article is a list of diseases of rapeseed and canola (B. napus and Brassica rapa (= B. campestris)).


Contents

[edit] Bacterial Diseases

Bacterial Diseases
Bacterial black rot Xanthomonas campestris pv. campestris

=Xanthomonas campestris pv. aberrans

Bacterial leaf spot Xanthomonas campestris pv. raphani
Bacterial pod rot Pseudomonas syringae pv. maculicola
Bacterial soft rot Erwinia carotovora

Pseudomonas marginalis pv. marginalis

Scab Streptomyces spp.

Streptomyces scabiei = Streptomyces scabies

Crown gall Agrobacterium tumefaciens

[edit] Fungal diseases

Fungal Diseases
Alternaria black spot = Dark pod spot (UK) Alternaria brassicae

A. brassicicola
A. japonica = A. raphani

Anthracnose Colletotrichum gloeosporioides

Glomerella cingulata [teleomorph]
C. higginsianum

Black leg = stem canker (UK) Leptosphaeria maculans

Phoma lingam [anamorph]

Black mold rot Rhizopus stolonifer
Black root Aphanomyces raphani
Brown girdling root rot Rhizoctonia solani

Thanatephorus cucumeris [teleomorph]

Cercospora leaf spot Cercospora brassicicola
Clubroot Plasmodiophora brassicae
Downy mildew Peronospora parasitica
Fusarium wilt Fusarium oxysporum f. sp. conglutinans
Gray mold Botrytis cinerea

Botryotinia fuckeliana [teleomorph]

Head rot Rhizoctonia solani

Thanatephorus cucumeris [teleomorph]

Leaf spot Alternaria alternata

Ascochyta spp.

Light leaf spot Pyrenopeziza brassicae

Cylindrosporium concentricum [anamorph]

Pod rot Alternaria alternata

Cladosporium spp.

Powdery mildew Erysiphe polygoni

E. cruciferarum

Ring spot Mycosphaerella brassicicola

Asteromella brassica [anamorph]

Root rot Alternaria alternata

Fusarium spp.
Macrophomina phaseolina
Phymatotrichopsis omnivora
Phytophthora megasperma
Pythium debaryanum
P. irregulare
Rhizoctonia solani
Thanatephorus cucumeris [teleomorph]
Sclerotium rolfsii
Athelia rolfsii [teleomorph]

Sclerotinia stem rot Sclerotinia sclerotiorum
Seed rot, damping-off Alternaria spp.

Fusarium spp.
Gliocladium roseum
Nectria ochroleuca [teleomorph]
Pythium spp.
Rhizoctonia solani
Thanatephorus cucumeris [teleomorph]
Rhizopus stolonifer
Sclerotium rolfsii

Root gall smut Urocystis brassicae
Southern blight (leaf, root and seed rot) Sclerotium rolfsii
Verticillium wilt Verticillium longisporum
White blight Rhizoctonia solani

Thanatephorus cucumeris [teleomorph]

White leaf spot = grey stem (Canada) Pseudocercosporella capsellae = Cercosporella brassicae

Mycosphaerella capsellae [teleomorph]

White rust = staghead Albugo candida = A. cruciferarum

(Peronospora sp. commonly present in staghead phase)

Yellows Fusarium oxysporum

[edit] Viral diseases

Viral diseases
Crinkle genus Carmovirus, Turnip crinkle virus (TCV)
Mosaic genus Caulimovirus, Cauliflower mosaic virus (CaMV)

genus Cucumovirus, Cucumber mosaic virus (CMV)
genus Comovirus, Radish mosaic virus (RaMV)
genus Potyvirus, Turnip yellow mosaic virus (TuMV)

Yellows genus Luteovirus, Beet western yellows virus (BWYV)

genus Cytorhabdovirus, Broccoli necrotic yellows virus (BNYV)

[edit] Phytoplasmal diseases

Phytoplasmal diseases
Aster yellows and phyllody Aster yellows phytoplasma

[edit] Miscellaneous diseases and disorders

Miscellaneous diseases and disorders
Autogenic necrosis Genetic disorder
Black speck Physiological
Sulfur deficiency Sulfur deficiency
Tipburn Calcium deficiency

[edit] References