List of elm diseases

This article is a list of diseases of elms (Ulmus spp.).

Bacterial diseases

Bacterial diseases
Bacterial wetwood Enterobacter nimipressuralis = Erwinia nimipressuralis

Bacillus megaterium
Pseudomonas fluorescens

Discoloration (xylem) Bacteria
Elm leaf scorch Xylella fastidiosa

Fungal diseases

Fungal diseases
Anthracnose Asteroma inconspicuum = Gloeosporium inconspicuum

Gloeosporium ulmicola

Armillaria root rot

Shoestring root rot

Armillaria mellea

Rhizomorpha subcorticalis [anamorph]

Blackspot Asteroma ulmeum = Gloeosporium ulmeum

Stegophora ulmea [teleomorph] = Gnomonia ulmea

Botryodiplodia canker Sphaeropsis ulmicola = Botryodiplodia hydrodermia
Botryosphaeria canker Botryosphaeria dothidea

Fusicoccum aesculi [anamorph]

British tar spot Dothidella ulmi
Chalara root rot Chalara thielavioides
Coniothyrium 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 ludibunda
Damping-off, Fusarium Fusarium spp.
Damping-off, Pythium Pythium ultimum
Damping-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 ulmi
Dutch elm disease Ophiostoma ulmi = Ceratocystis ulmi

Pesotum ulmi [anamorph] = Graphium ulmi
Ophiostoma novo-ulmi

Leaf blister Taphrina ulmi
Mistletoe (infection) Phoradendron serotinum = Phoradendron flavescens

Phoradendron tomentosum
Viscum album

Nectria 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 conidiogena
Phomopsis canker Phomopsis oblonga

Diaporthe eres [teleomorph]

Phymatotrichum root rot (cotton root rot) Phymatotrichopsis omnivora = Phymatotrichum omnivorum
Phytophthora canker (pit canker) Phytophthora inflata
Phytophthora root rot Phytophthora megasperma
Powdery mildew Microsphaera penicillata = M. alni

Phyllactinia angulata = Phyllactinia corylea var. angulata
Phyllactinia guttata
Oidium sp. [anamorph]
Uncinula macrospora
Uncinula parvula
Uncinuliella flexuosa

Schizoxylon canker Schizoxylon microsporum
Sooty mold Perisporiaceae (Ascomycetes): numerous dark-spored fungi imperfecti
Thyrostroma canker Stigmina compacta = Thyrostroma compactum
Tubercularia canker Tubercularia ulmea
Verticillium wilt Verticillium albo-atrum

Verticillium dahlia

Violet root rot Helicobasidium brebissonii

Rhizoctonia crocorum [anamorph]

Miscellaneous diseases and disorders

Miscellaneous diseases and disorders
Discoloration (xylem) Actinomycetes

Nematodes, parasitic

Nematodes, parasitic
Lance Hoploliamus spp.
Ring Criconemella spp.
Root-knot Meloidoglyne spp.
Spiral Helicotylenchus spp.
Stunt Tylenchorhynchus spp.

Virus and Phytoplasma diseases

Elm phloem necrosis
Virus and mycoplasmalike organism [MLO] diseases
Elm mosaic Elm mosaic virus
Elm mottle Elm mottle virus
Elm stripe Viruslike
Elm witches' broom Phytoplasma (graft-transmissible)
Elm Yellows (phloem necrosis) Phytoplasma (graft-transmissible)
Zonate canker Virus (graft-transmissible)

References

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