| Apple |
Apple scab |
Venturia inaequalis |
Occasional |
| |
Bitter pit |
physiological |
Widespread |
| |
Blister bark |
genetic |
Occasional |
| |
Crown gall |
Agrobacterium tumefaciens |
Widespread |
| |
Crown rot/collar rot |
Phytophthora cactorum |
Widespread |
| |
Fire blight |
Erwinia amylovora |
Widespread |
| |
Jonathon spot |
Calcium deficiency |
Widespread |
| |
Perennial canker |
Cytospora sp. |
Widespread |
| |
Powdery mildew |
Podosphaera leucotricha |
Widespread |
| Apricot |
Bacterial canker |
Pseudomonas syringae |
Widespread |
| |
Brown rot |
Monilinia spp. |
Occasional |
| |
Coryneum blight or shothole |
Wilsonomyces carpophilus |
Widespread |
| |
Crown gall |
Agrobacterium tumefaciens |
Widespread |
| |
Crown rot/collar rot |
Phytophthora spp. |
Occasional |
| |
Powdery mildew |
Sphaerotheca pannosa |
Occasional |
| |
Prunus ring spot |
virus |
Occasional |
| Cherry |
Bacterial blight |
Pseudomonas syringae |
Widespread |
| |
Coryneum blight |
Wilsonomyces carpophilus |
Occasional |
| |
Crown gall |
Agrobacterium tumefaciens |
Widespread |
| |
Crown rot/collar rot |
Phytophthora spp. |
Widespread |
| |
Deep suture |
genetic |
Occasional |
| |
Cherry leaf spot |
Blumeriella jaapii |
Salt Lake (rare) |
| |
Lesion nematode |
Pratylenchus spp. |
Occasional |
| |
Perennial canker |
Cytospora sp. |
Widespread |
| |
Powdery mildew |
Podoshpaera oxycanthae |
Widespread |
| |
Prunus ring spot |
virus |
Widespread |
| |
Rugose mosaic |
virus |
Utah |
| |
Sour cherry yellows |
virus |
Widespread |
| |
Wilt |
Verticillium dahliae |
|
| |
Western X |
phytoplasma |
Northern Utah |
| Peach and Nectarine |
Brown rot |
Monilinia fructicola |
Rare |
| |
Coryneum blight or shothole |
Wilsonomyces carpophilus |
Widespread |
| |
Crown gall |
Agrobacterium tumefaciens |
Widespread |
| |
Leaf curl |
Taphrina deformans |
Rare |
| |
Perennial canker |
Cytospora sp. |
Widespread |
| |
Powdery mildew |
Sphaerotheca pannosa |
Occasional |
| |
Rusty spot |
Podosphaera leucotricha |
Occasional |
| |
Silver leaf |
Stereum purpureum |
Rare |
| |
Wilt |
Verticillium dahliae |
Occasional |
| Pear |
Fire blight |
Erwinia amylovora |
Widespread |
| |
Pear decline |
phytoplasma |
Utah |
| |
Perennial canker |
Cytospora sp. |
Widespread |
| |
Powdery mildew |
Podosphaera leucotricha |
Occasional |
| Plum/Prune |
Crown gall |
Agrobacterium tumefaciens |
Widespread |
| |
Perennial canker |
Cytospora sp. |
Widespread |
| |
Plum pockets |
Taphrina pruni |
Rare |
| |
Prunus ring spot |
virus |
Occasional |
