List of carrot diseases

This is a list of diseases of carrots (Daucus carota subsp. sativus).

Contents

Bacterial diseases

Bacterial diseases
Bacterial leaf blight Xanthomonas campestris
Bacterial soft rot Erwinia chrysanthemi

E. carotovora subsp. carotovora = Pectobacterium carotovorum subsp. carotovorum
E. carotovora subsp. atroseptica = Pectobacterium carotovorum subsp. atrosepticum
Carrot bacteriosis Xanthomonas campestris pv. carotae
Crown gall Agrobacterium tumefaciens
Hairy root Agrobacterium rhizogenes
Scab Streptomyces scabiei = Streptomyces scabi

Fungal diseases

Fungal diseases
Alternaria leaf blight Alternaria dauci
Black root rot

Thielaviopsis basicola
Chalara elegans [synanamorph]
Black rot (black carrot root dieback)

Alternaria radicina
= Stemphylium radicinum
Blue mold rot (blue green mold) Penicillium expansum
Brown rot (Phoma disease)

Leptosphaeria libanotis
Phoma rostrupii [anamorph]
Buckshot rot Typhula spp.
Canker

Thanatephorus cucumeris
Rhizoctonia solani [anamorph]
Cavity spot

Pythium spp.
Pythium violae
Rhizoctonia spp.
Rhizoctonia solani
Cercospora leaf spot Cercospora carotae
Cottony rot

Sclerotinia minor
Sclerotinia sclerotiorum
Crater rot Athelia arachnoidea (anamorph = Fibulorhizoctonia carotae)
Crown rot

Rhizoctonia spp.
Rhizoctonia solani
Damping off

Fusarium spp.
Pythium spp.
Rhizoctonia solani
Dieback of carrots

Pythium spp.
Pythium debaryanum
Downy mildew

Plasmopara crustosa
= Plasmopara nivea
Forking, brown root

Pythium spp.
Pythium irregulare
Pythium paroecandrum
Pythium sylvaticum
Fusarium dry rot Fusarium sp.
Gray mold rot

Botryotinia fuckeliana
Botrytis cinerea [anamorph]
Hard rot

Fusarium sp.
Gliocladium roseum
Lateral root dieback Pythium spp.
Leaf rot Typhula variabilis
Leaf spot Ramularia spp.
Licorice rot

Mycocentrospora acerina
= Centrospora acerina
Sclerotinia sclerotiorum
Thielaviopsis basicola
Typhula spp.
Phytophthora root rot Phytophthora megasperma
Pink mold rot Trichothecium roseum
Powdery mildew

Erysiphe heraclei
Erysiphe polygoni
Erysiphe umbelliferarum f. dauci
Pythium brown rot and forking

Pythium irregulare
Pythium paroecandrum
Pythium sulcatum
Pythium sylvaticum
Pythium root dieback Pythium spp.
Rhizoctonia canker Rhizoctonia solani
Rhizoctonia seedling disease Rhizoctonia spp.
Rhizopus wooly soft rot

Rhizopus arrhizus
= Rhizopus oryzae
Rhizopus stolonifer
= Rhizopus nigricans
Root canker Rhizoctonia spp.
Root dieback Pythium spp.
Root rot

Fusarium spp.
Fusarium culmorum
Rhizoctonia spp.
Sclerotium rolfsii
Phymatotrichum root rot (cotton root rot)

Phymatotrichopsis omnivora
= Phymatotrichum omnivorum
Rubbery brown rot

Phytophthora cactorum
P. megasperma
Rubbery slate rot

Pythium debaryanum
Rust

Aecidium foeniculi
Uromyces graminis
Uromyces lineolatus subsp. nearcticus
= Uromyces scirpi
Rusty root

Pythium spp.
Olpidium brassicae, as vector, tobacco necrosis virus
Sclerotinia rot

Sclerotinia sclerotiorum
Sclerotinia minor
Seed mold

Alternaria alternata
Gibberella fujikuroi
Fusarium moniliforme [anamorph]
Sooty rot Aspergillus niger
Sour rot Geotrichum candidum
Southern blight

Athelia rolfsii
Sclerotium rolfsii [anamorph]
Stem spot Diaporthe arctii
Tip rot Numerous pathogens
Umbel blight Colletotrichum gloeosporioides
Violet root rot

Helicobasidium brebissonii
= Helicobasidium purpureum
Rhizoctonia crocorum [anamorph]
Watery soft rot

Sclerotinia minor
Sclerotinia sclerotiorum
Sclerotium rolfsii
Botrytis cinerea

Nematodes, parasitic

Nematodes, parasitic
Cyst nematode

Heterodera carotae
Lance nematode

Hoplolaimus uniformis
Lesion nematode

Pratylenchus penetrans
Pratylenchus spp.
Root knot

Meloidogyne hapla
Sting nematode

Belonolaimus longicaudatus

Virus and viroid diseases

diseases
Alfalfa mosaic genus Alfamovirus, Alfalfa mosaic virus (AMV)
Carrot latent genus Nucleorhabdovirus, Carrot latent virus (CtLtV)
Carrot mottle genus Umbravirus, Carrot mottle virus (CMoV)
Carrot red leaf genus Luteovirus, Carrot red leaf virus (CaRLV)
Carrot thin leaf genus Potyvirus, Carrot thin leaf virus (CTLV)
Carrot yellow leaf Carrot yellow leaf virus (CYLV)
Celery mosaic genus Potyvirus, Celery mosaic virus (CeMV)
Cucumber mosaic genus Cucumovirus, Cucumber mosaic virus (CMV)
Curly top genus Hybrigeminivirus, Beet curly top virus (BCTV)
Motley dwarf genus Luteovirus, Carrot red leaf virus (CaRLV)

genus Umbravirus, Carrot mottle virus (CMoV)

Phytoplasmal and spiroplasmal diseases

Phytoplasmal and spiroplasmal diseases
Aster yellows Aster yellows phytoplasma

Miscellaneous diseases and disorders

Miscellaneous diseases and disorders
Crown rot disorder No specific pathogen associated with this disorder
Heat canker High soil surface temperature
Hollow black heart Boron deficiency
Ozone injury Ozone pollution
Root scab Physiological
Speckled carrot No pathogen; genetic disorder

References