List of elm diseases
This article is a list of diseases of elms (Ulmus spp.).
Bacterial diseases
Bacterial diseases | |
---|---|
Bacterial wetwood/slime flux | Enterobacter nimipressuralis = Erwinia nimipressuralis Bacillus megaterium |
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 |
Cytospora canker | Cytospora chrysosperma Valsa sordida [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 |
Discoloration (xylem) | Deuteromycetes |
Dothiorella canker and wilt | Dothiorella ulmi |
Dutch elm disease | Ophiostoma ulmi = Ceratocystis ulmi Pesotum ulmi [anamorph] = Graphium ulmi |
Leaf blister | Taphrina ulmi |
Mistletoe (infection) | Phoradendron serotinum = Phoradendron flavescens |
Nectria canker | Nectria spp. Nectria cinnabarina |
Phoma canker | Phoma glomerata = Phoma conidiogena |
Phomopsis canker | Phomopsis oblonga Diaporthe eres [teleomorph] |
Phymatotrichum root rot (cotton root rot/Texas 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 |
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
![](http://upload.wikimedia.org/wikipedia/commons/thumb/1/16/Elmphloemnecrosis.jpg/220px-Elmphloemnecrosis.jpg)
Virus and mycoplasmalike organism [MLO] diseases | |
---|---|
Elm mosaic | 'Elm mosaic virus' |
Elm mottle | Elm mottle virus |
Elm stripe | Viruslike agent |
Elm 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