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 |