Other Diseases of Trees Shrubs and Vines
Trees, Shrubs, and Vines |
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| Host | Disease | Pathogen | Occurrence |
| Arborvitae | Root rot | Phytophthora spp. (F) | Occasional |
| Ash | Anthracnose | Gloeosporium aridum (F) | Rare |
| Aspen | Aspen leaf spot Crown gall Ink spot Perennial canker Powdery mildew Rust Shoot blight White rot White trunk rot |
Marssonina populi (F) Agrobacterium tumefaciens (B) Ciborinia whetzelii (F) Cytospora sp. (F) Uncinula adunca (F) Melampsora sp. (F) Venturia macularis (F) Ganoderma applanatum (F) Phellinus tremulae (F) |
Widespread Widespread Mountains Widespread Widespread Occasional Occasional Widespread Widespread |
| Birch | Perennial canker | Cytospora chrysosperma (F) | Widespread |
| Catalpa | Wilt | Verticillium albo-atrum (F) | Widespread |
| Chokecherry | Black knot Plum pocket Powdery mildew Western X |
Apiosporina morbosum (F) Taphrina sp. (F) Podosphaera oxycanthae (F) phytoplasma |
Widespread Occasional Occasional Widespread |
| Conifers | Root rot Seedling root rot |
Phytophthora sp. (F) Fusarium, Pythium (F) |
Widespread Occasional |
| Cotoneaster | Fire blight Root rot |
Erwinia amylovora (B) Phytophthora spp. (F) |
Widespread Widespread |
| Crab Apple | Fire blight Powdery mildew |
Erwinia amylovora (B) Podosphaera leucotricha (F) |
Widespread Widespread |
| Elm | Dutch elm disease Slime flux, wetwood Wilt |
Ceratocystis ulmi (F) bacterial complex Verticillium albo-atrum (F) |
Northern Utah Widespread Salt Lake |
| Euonymus | Chlorosis, scorch Crown gall Powdery mildew Root rot |
nitrogen deficiency (A) Agrobacterium tumefaciens(B) Microsphaera alni (F) Phytophthora spp. (F) |
Widespread Widespread Widespread Widespread |
| Fir (see also “conifers”) |
Dwarf mistletoe Red ring rot Fir broom rust |
Arceuthobium campylopodum(P) Phellinus pini (F) Melampsorella caryophyllacearum (F) |
Occasional Widespread Widespread |
| Forsythia | Crown gall | Agrobacterium tumefaciens (B) | Widespread |
| Goldenrain tree | Nectria canker Wilt |
Nectria spp. (F) Verticillium albo-atrum (F) |
Occasional Occasional |
| Hawthorn | Fire blight Leaf spot Rust |
Erwinia amylovora (B) Entomosporium sp. (F) Gymnosporangium nidus-avis(F) |
Widespread Occasional Widespread |
| Honeylocust | Canker | Thyronectria austroamericana(F) | Occasional |
| Juniper ("cedar") |
Root rot Rust |
Phytophthora spp. (F) Gymnosporangium spp. (F) |
Widespread Occasional |
| Lilac | Bacterial blast Powdery mildew Root rot |
Pseudomonas syringae (B) Microsphaera; Phyllactinia (F) Phytophthora spp. (F) |
Occasional Widespread Widespread |
| Linden | Sooty mold Wilt |
Saprophytic fungi Verticillium albo-atrum (F) |
Widespread Widespread |
| Maple | Anthracnose Canker Fasciation Leaf blister Leaf tatter Edema (oedema) Tar spot Wilt |
Kabatiella apocryta (F) Cytosporella sp. (F) genetic (A), virus? Taphrina sacchari (F) genetic (A), virus? environmental (high humidity) (A) Rhytisma punctatum (F) Verticillium albo-atrum (F) |
Rare Cache Occasional Occasional Occasional Occasional Mountains Widespread |
| Mountain Ash | Fire blight Perennial canker |
Erwinia amylovora (B) Cytospora spp. (F) |
Widespread Widespread |
| Oak | Anthracnose Leaf blister Perennial canker Powdery mildew |
Gnomonia veneta (F) Taphrina caerulescens (F) Cytospora sp. (F) Sphaerotheca lanestris (F) |
Salt Lake Occasional Occasional Davis |
| Pine (see also conifers) |
Western gall rust | Cronartium harkesii (F) | Occasional |
| Poplar | Crown gall Perennial canker Poplar leafspot Root rot Slime flux, wetwood |
Agrobacterium tumefaciens (B) Cytospora sp. (F) Marssonina populi (F) Pythium sp. (F) bacterial complex |
Widespread Widespread Widespread Widespread Widespread |
| Pyracantha | Fire blight | Erwinia amylovora (B) | Widespread |
| Serviceberry | Rust | Gymnosporangium sp. (F) | Widespread |
| Squaw Bush (Rhus trilobata) |
Leaf spot Wilt Perennial canker |
Entomosporium sp. (F) Verticillium albo-atrum (F) Cytospora sp. (F) |
Widespread Widespread Occasional |
| Sycamore | Anthracnose Leaf tatter, shothole Powdery mildew |
Gnomonia veneta (F) insect, Plant bug Microsphaera alni (F) |
Widespread Widespread Widespread |