This article is a list of diseases of peaches and nectarines (Peach: Prunus persica; Nectarine: P. persica var. nucipersica).
| Bacterial diseases | |
|---|---|
| Bacterial canker | Pseudomonas syringae pv. syringae |
| Bacterial spot = bacteriosis | Xanthomonas pruni X. arboricola pv. pruni X. campestris pv. pruni |
| Crown gall | Agrobacterium tumefaciens |
| Phony disease = phony peach | Xylella fastidiosa |
| Nematodes, parasitic | |
|---|---|
| Dagger nematode | Xiphinema americanum Xiphinema rivesi |
| Lesion nematode | Pratylenchus penetrans Pratylenchus vulnus |
| Ring nematode | Mesocriconema xenoplax Criconemella xenoplax |
| Root knot nematode | Meloidogyne arenaria Meloidogyne hapla Meloidogyne incognita Meloidogyne javanica |
(Also uncharacterized graft-transmissible pathogens [GTP])
| Viral and viroid diseases | |
|---|---|
| Asteroid spot = cherry Utah dixie spot | GTP |
| Bark and wood grooving | GTP |
| Blotch | GTP |
| Calico | GTP |
| Chlorosis | GTP |
| Chlorotic spot | GTP |
| Enation | |
| Dark green sunken mottle | genus Trichovirus, Apple chlorotic leaf spot virus (ACLSV) |
| Latent mosaic | Peach latent mosaic viroid |
| Line pattern | genus Ilarvirus, Prunus necrotic ringspot virus (PNRSV) genus Ilarvirus, Apple mosaic virus (ApMV) |
| Line pattern and leaf curl = cherry line pattern leaf curl | GTP (associated with an isometric particle) |
| Mosaic | |
| Mottle | GTP |
| Mule's ear | GTP (associated with PNRSV) |
| Necrotic ringspot | genus Ilarvirus, Prunus necrotic ringspot virus (PNRSV) |
| Oil blotch | GTP |
| genus Potyvirus, Plum pox virus (PPV) | |
| Prunus stem pitting | genus Nepovirus, Tomato ringspot virus (ToRSV) |
| Purple mosaic | GTP |
| Rosette and decline | genus Ilarvirus, Prunus necrotic ringspot virus (PNRSV) + genus Ilarvirus, Prune dwarf virus (PDV) |
| Rosette mosaic | |
| Seedling chlorosis | GTP |
| Shoot stunting (= almond enation) | genus Nepovirus, Tomato black ring virus (TBRV) |
| Star mosaic | GTP |
| Stubby twig | GTP |
| Stunt | genus Ilarvirus, Prune dwarf virus (PDV) + genus Ilarvirus, Prunus necrotic ringspot virus (PNRSV) |
| Wart | GTP |
| Willow leaf rosette | Strawberry latent ringspot virus (SLRSV) + an unknown sap-transmissible virus |
| Yellow bud mosaic | genus Nepovirus, Tomato ringspot virus (ToRSV) |
| Yellow mosaic | GTP |
| Yellow mottle | GTP |
| Phytoplasmal and spiroplasmal diseases | |
|---|---|
| Apricot chlorotic leaf roll | |
| Little peach (= yellows) | Phytoplasma |
| Red Suture (= yellows) | Phytoplasma |
| Rosette | Phytoplasma |
| X-Disease | Phytoplasma |
| Yellow leaf roll | Phytoplasma |
| Yellows | Phytoplasma |