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List of canola diseases

From Wikipedia, the free encyclopedia

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

Bacterial diseases

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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

Fungal diseases

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Fungal diseases
Alternaria black spot
= dark pod spot (UK)

Alternaria brassicae
Alternaria brassicicola
Alternaria japonica
= Alternaria raphani

Anthracnose

Colletotrichum gloeosporioides
Glomerella cingulata [teleomorph]
Colletotrichum 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
Erysiphe cruciferarum

Ring spot

Mycosphaerella brassicicola
Asteromella brassicae [anamorph]

Root rot

Alternaria alternata
Fusarium spp.
Macrophomina phaseolina
Phymatotrichopsis omnivora
Phytophthora megasperma
Pythium debaryanum
Pythium 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
= Albugo cruciferarum
(Peronospora sp. commonly present in staghead phase)

Yellows Fusarium oxysporum

Viral diseases

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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)

Phytoplasmal diseases

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Phytoplasmal diseases
Aster yellows and phyllody Aster yellows phytoplasma

Miscellaneous diseases and disorders

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

References

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