This article is a list of diseases of elms (Ulmus spp.).
Bacterial diseases
Bacterial diseasesBacterial wetwood/slime fluxEnterobacter nimipressuralis = Erwinia nimipressuralis Bacillus megaterium Pseudomonas fluorescensDiscoloration (xylem) Bacteria Elm leaf scorchXylella fastidiosa
Fungal diseases
Fungal diseasesAnthracnose Asteroma inconspicuum = Gloeosporium inconspicuum Gloeosporium ulmicolaArmillaria root rot Shoestring root rotArmillaria mellea Rhizomorpha subcorticalis [anamorph]Blackspot Asteroma ulmeum = Gloeosporium ulmeum Stegophora ulmea [teleomorph] = Gnomonia ulmeaBotryodiplodia canker Sphaeropsis ulmicola = Botryodiplodia hydrodermiaBotryosphaeria canker Botryosphaeria dothidea Fusicoccum aesculi [anamorph] British tar spot Dothidella ulmiChalara root rot Chalara thielavioidesConiothyrium canker Coniothyrium spp. Coniothyrium celtidis-australis Leptosphaeria coniothyrium Diapleella coniothyrium [anamorph]Cytospora canker Cytospora chrysosperma Valsa sordida [anamorph] Cytospora leucosperma = Cytospora ambiens Valsa ambiens [anamorph] Cytospora nivea Leucostoma nivea [anamorph]Cytosporina canker Cytosporina ludibundaDamping-off, Fusarium Fusarium spp. Damping-off, Pythium Pythium ultimumDamping-off, Rhizoctonia Rhizoctonia solani Thanatephorus cucumeris [teleomorph]Decay (xylem) Trametes versicolor = Coriolus versicolor Flammulina velutipes Ganoderma applanatum = Fomes applanatus Phellinus spp. = Fomes spp. Pleurotus spp. Polyporus squamosus Other basidiomycetes Discoloration (xylem) Deuteromycetes Dothiorella canker and wilt Dothiorella ulmiDutch elm disease Ophiostoma ulmi = Ceratocystis ulmi Pesotum ulmi [anamorph] = Graphium ulmi Ophiostoma novo-ulmiLeaf blister Taphrina ulmi Mistletoe (infection) Phoradendron serotinum = Phoradendron flavescens Phoradendron tomentosum Viscum albumNectria canker Nectria spp. Nectria cinnabarina Tubercularia vulgaris [anamorph] Nectria coccinea Cylindrocarpon candidum [anamorph] Nectria ditissima Cylindrocarpon willkommii [anamorph] Nectria galligena Cylindrocarpon heteronemum [anamorph]Phoma canker Phoma glomerata = Phoma conidiogenaPhomopsis canker Phomopsis oblonga Diaporthe eres [teleomorph]Phymatotrichum root rot (cotton root rot/Texas Root Rot) Phymatotrichopsis omnivora = Phymatotrichum omnivorumPhytophthora canker (pit canker) Phytophthora inflataPhytophthora root rot Phytophthora megaspermaPowdery mildew Phyllactinia nivea Phyllactinia ulmi Erysiphe ulmi Erysiphe macrospora Erysiphe kenjiana Erysiphe neglecta Erysiphe parvifoliae Erysiphe ulmi-alataeSchizoxylon canker Schizoxylon microsporumSooty mold Perisporiaceae (Ascomycetes): numerous dark-spored fungi imperfecti Thyrostroma canker Stigmina compacta = Thyrostroma compactumTubercularia canker Tubercularia ulmeaVerticillium wilt Verticillium albo-atrum Verticillium dahliaViolet root rot Helicobasidium brebissonii Rhizoctonia crocorum [anamorph]
Miscellaneous diseases and disorders
Miscellaneous diseases and disordersDiscoloration (xylem) Actinomycetes
Nematodes, parasitic
Nematodes, parasiticLance Hoploliamus spp. Ring Criconemella spp. Root-knot Meloidoglyne spp. Spiral Helicotylenchus spp. Stunt Tylenchorhynchus spp.
Virus and Phytoplasma diseases
Virus and mycoplasmalike organism [MLO] diseasesElm mosaic 'Elm mosaic virus'Elm mottle Elm mottle virusElm stripeViruslike agentElm witches' broom Phytoplasma (graft-transmissible) Elm yellows (phloem necrosis) Phytoplasma (graft-transmissible) Zonate canker 'Elm zonate canker virus' (graft-transmissible)
References Common Names of Diseases, The American Phytopathological Society