This article is a list of diseases of almonds (Prunus dulcis).
Bacterial diseases
| Leaf scorch/Golden death | Xylella fastidiosa |
| Bacterial blast | Pseudomonas syringae |
| Bacterial canker | Pseudomonas syringae pv. syringae |
| Bacterial hyperplastic canker | Pseudomonas amygdali |
| Bacterial spot | Xanthomonas pruni (syn. X. campestris pv. pruni) |
| Crown gall | Agrobacterium tumefaciens |
Mycoplasmal diseases
| Brown line and decline | See § Peach yellow leaf roll phytoplasma. Called Peach yellow leafroll mycoplasma in some sources. |
Phytoplasmal diseases
| Brown line and decline Kernel shrivel |
Peach yellow leaf roll phytoplasma |
| European stone fruit yellows | European stone fruit yellows phytoplasma |
| Western X disease | Western-X phytoplasma |
Fungal diseases
For treatment in the US, see Fungicide use in the United States#Almonds.
| Alternaria leaf spot | Alternaria alternata |
| Anthracnose | Colletotrichum acutatum |
| Armillaria root rot | |
| Band canker = Dothiorella canker |
|
| Fusarium root rot | Fusarium spp. |
| Brown rot | |
| Brown rot blossom blight or "brown rot" | |
| Ceratocystis canker | Ceratocystis fimbriata |
| Green fruit rot | |
| Hull rot | |
| Kernel decay | |
| Leaf blight | |
| Leaf curl | Taphrina deformans |
| Leucostoma canker | |
| Phomopsis canker and fruit rot | |
| Phytophthora root and crown rot | |
| Powdery mildew | |
| Pythium root rot | Pythium spp. |
| Red leaf blotch | Polystigma ochraceum |
| Rust = Stone fruit rust |
Tranzschelia discolor |
| Scab | |
| Shot hole | |
| Silver leaf | Chondrostereum purpureum |
| Verticillium wilt = Blackheart |
Verticillium dahliae |
Nematode diseases
Nematode diseases of almond include:
| Dagger nematode | Xiphinema americanum |
| Ring nematode | Mesocriconema xenoplax |
| Root-knot nematode | |
| Root-lesion nematode |
Viral diseases
Viruses infecting almond include:
| Calico | genus Ilarvirus, Prunus necrotic ringspot virus (PNRSV) |
| Enation | genus Nepovirus, Tomato black ring virus (TBRV) |
| Infectious bud failure | genus Ilarvirus, Prunus necrotic ringspot virus (PNRSV) |
| Peach mosaic | Cherry mottle leaf virus |
| Peach yellow bud mosaic | genus Nepovirus, Tomato ringspot virus (ToRSV) |
Miscellaneous diseases and disorders
Unknown or non-infectious disorders include:
| Bryobia mite | insect infestation |
| Corky growth (on leaves) | Physiological |
| Corky spot (on kernels) | Unknown |
| Foamy canker | Unknown |
| Noninfectious bud failure = Crazy top | Genetic |
| Nonproductive syndrome = Bull trees | Unknown |
| Union mild etch | Unknown |
References
- ^ "Almond - Diseases and Pests, Description, Uses, Propagation". PlantVillage. Retrieved 2022-05-17.
- ^ "Diseases of Almond". American Phytopathological Society. 2022-05-17. Retrieved 2022-05-17.
- "Bacterial Blast in Almond". West Coast Nut. Western Agricultural Processors Association. 2021-01-04. Retrieved 2022-05-17.
- Bragard, Claude; Dehnen‐Schmutz, Katharina; Gonthier, Paolo; Jaques Miret, Josep Anton; Justesen, Annemarie Fejer; MacLeod, Alan; Magnusson, Christer Sven; Milonas, Panagiotis; Navas‐Cortes, Juan A.; Parnell, Stephen; Potting, Roel; Reignault, Philippe Lucien; Thulke, Hans‐Hermann; Van der Werf, Wopke; Civera, Antonio Vicent; Yuen, Jonathan; Zappalà, Lucia; Bosco, Domenico; Chiumenti, Michela; Di Serio, Francesco; Galetto, Luciana; Marzachì, Cristina; Pautasso, Marco; Jacques, Marie‐Agnès (2020). "Pest categorisation of the non‐EU phytoplasmas of Cydonia Mill., Fragaria L., Malus Mill., Prunus L., Pyrus L., Ribes L., Rubus L. and Vitis L." EFSA Journal. 18 (1). European Food Safety Authority (Wiley). doi:10.2903/j.efsa.2020.5929. hdl:2318/1733087. ISSN 1831-4732. S2CID 214229451.
- "Nematodes / Almond / Agriculture: Pest Management". UC Integrated Pest Management (UC IPM). UC Agriculture and Natural Resources (UC ANR).
- Common Names of Diseases, The American Phytopathological Society
- The Almond Doctor University of California Cooperative Extension Website containing descriptions of almond diseases and pests.