Other Diseases of Trees Shrubs and Vines

Trees, Shrubs, and Vines

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