Carrot

Foodplant / pathogen
colony of Alternaria dematiaceous anamorph of Alternaria dauci infects and damages yellowed then brown to black petiole of Daucus carota ssp. sativus

Foodplant / spot causer
effuse colony of Alternaria dematiaceous anamorph of Alternaria radicina causes spots on live leaf (petiole) of Daucus carota ssp. sativus

In Great Britain and/or Ireland:
Foodplant / pathogen
Armillaria mellea s.l. infects and damages Daucus carota ssp. sativus

Foodplant / pathogen
Carrot Mottle virus (CMoV) infects and damages reddened, chlorotic and often mottled leaf of Daucus carota ssp. sativus

Foodplant / pathogen
Carrot red leaf associated RNA (CtRLVaRNA) infects and damages reddened, chlorotic and often mottled leaf of Daucus carota ssp. sativus

Foodplant / pathogen
Carrot Red Leaf virus (CtRLV) infects and damages reddened, chlorotic and often mottled leaf of Daucus carota ssp. sativus

Foodplant / parasite
colony of Chalaropsis dematiaceous anamorph of Ceratocystis paradoxa parasitises blackened root (prepared) of Daucus carota ssp. sativus

Foodplant / pathogen
Cercospora anamorph of Cercospora carotae infects and damages live leaf of Daucus carota ssp. sativus

Foodplant / internal feeder
larva of Chamaepsila rosae feeds within live root of Daucus carota ssp. sativus

Foodplant / gall
Cuscuta campestris causes gall of Daucus carota ssp. sativus
Other: major host/prey

Animal / pathogen
Rhizoctonia anamorph of Helicobasidium purpureum infects root of Daucus carota ssp. sativus
Other: major host/prey

Foodplant / gall
Heterodera carotae causes gall of cysted root of Daucus carota ssp. sativus

Foodplant / gall
Meloidogyne causes gall of root of Daucus carota ssp. sativus
Other: minor host/prey

Foodplant / pathogen
colony of Mycocentrospora anamorph of Mycocentrospora acerina infects and damages live root (crown) of Daucus carota ssp. sativus

Foodplant / pathogen
Parsnip Yellow Fleck virus (PYFV) infects and damages mottled leaf of Daucus carota ssp. sativus

Foodplant / parasite
hypophyllous colony of sporangium of Plasmopara crustosa parasitises live leaf of Daucus carota ssp. sativus

Foodplant / pathogen
colony of Rhexocercosporidium anamorph of Rhexocercosporidium carotae infects and damages stored foliage of Daucus carota ssp. sativus

Foodplant / pathogen
colony of Mycocentrospora dematiaceous anamorph of Thanatephorus cucumeris infects and damages live root of Daucus carota ssp. sativus

Foodplant / pathogen
colony of Thielaviopsis dematiaceous anamorph of Thielaviopsis basicola infects and damages blackened, rotting root of Daucus carota ssp. sativus