# List of sunflower diseases

This article is a list of diseases of sunflowers (Helianthus annuus) and jerusalem artichoke (H. tuberosus).

## Bacterial diseases

Bacterial diseases :
| Apical chlorosis | Pseudomonas syringae pv. tagetis |
| Bacterial leaf spot | Pseudomonas syringae pv. aptata P. cichorii Pseudomonas syringae pv. helianthi Pseudomonas syringae pv. mellea |
| Bacterial wilt | Pseudomonas solanacearum |
| Crown gall | Agrobacterium tumefaciens |
| Erwinia stalk rot and head rot | Erwinia carotovora subsp. carotovora E. carotovora subsp. atroseptica |

## Fungal diseases

Fungal diseases :
| Alternaria leaf blight, stem spot and head rot | Alternaria alternata = Alternaria tenuis Alternaria helianthi = Helminthosporium helianthi Alternaria helianthicola Alternaria leucanthemi Alternaria tenuissima Alternaria zinniae |
| Botrytis head rot (gray mold) | Botrytis cinerea Botryotinia fuckeliania [teleomorph] |
| Charcoal rot | Macrophomina phaseolina = Sclerotium bataticola = Rhizoctonia bataticola |
| Downy mildew | Plasmopara halstedii Plasmopara helianthi f. helianthi |
| Fusarium stalk rot | Fusarium equiseti Gibberella intricans [teleomorph] Fusarium solani Nectria haematococca [teleomorph] Microdochium tabacinum = Fusarium tabacinum Monographella cucumerina [teleomorph] |
| Fusarium wilt | Fusarium moniliforme Gibberella fujikuroi [teleomorph] Fusarium oxysporum |
| Myrothecium leaf and stem spot | Myrothecium roridum Myrothecium verrucaria |
| Phialophora yellows | Phialophora asteris |
| Phoma black stem | Phoma macdonaldii Leptosphaeria lindquistii = Phoma oleracea var. helianthi-tuberosi [teleomorph] |
| Phomopsis brown stem canker | Phomopsis spp. Phomopsis helianthi Diaporthe helianthi [teleomorph] |
| Phymatotrichum root rot (cotton root rot) | Phymatotrichopsis omnivora = Phymatotrichum omnivorum |
| Phytophthora stem rot | Phytophthora spp. Phytophthora drechsleri |
| Powdery mildew | Erysiphe cichoracearum Oidium asteris-punicei [anamorph] Erysiphe cichoracearum var. latispora Oidium latisporum[anamorph] Leveillula compositarum f. helianthi Leveillula taurica Oidiopsis sicula [anamorph] Sphaerotheca fuliginea |
| Pythium seedling blight and root rot | Pythium spp. Pythium aphanidermatum Pythium debaryanum Pythium irregulare |
| Rhizoctonia seedling blight | Rhizoctonia solani Thanatephorus cucumeris [teleomorph] |
| Rhizopus head rot | Rhizopus arrhizus = Rhizopus nodosus Rhizopus microsporus Rhizopus stolonifer = Rhizopus nigricans |
| Rust | Puccinia helianthi Puccinia xanthii Uromyces junci |
| Sclerotinia basal stalk rot and wilt, mid-stalk rot, head rot | Sclerotinia sclerotiorum = Sclerotinia libertiana = Whetzelinia sclerotiorum |
| Sclerotinia basal stalk rot and wilt | Sclerotinia minor |
| Sclerotium basal stalk and root rot (southern blight) | Sclerotium rolfsii Athelia rolfsii [teleomorph] |
| Septoria leaf spot | Septoria helianthi |
| Verticillium wilt | Verticillium albo-atrum Verticillium dahliae |
| White rust | Albugo tragopogonis = Cystopus tragopogonis |
| Yellow rust | Coleosporium helianthi Coleosporium pacificum = Coleosporium madiae Peridermium californicum [anamorph] |

## Nematodes, parasitic

Nematodes, parasitic :
| Dagger, American | Xiphinema americanum |
| Pin | Paratylenchus projectus |
| Lesion | Pratylenchus spp. Pratylenchus hexincisus |
| Reniform | Rotylenchulus spp. Rotylenchulus reniformis |
| Root knot | Meloidogyne arenaria Meloidogyne incognita Meloidogyne javanica |
| Spiral | Helicotylenchus sp. |
| Stunt | Tylenchorhynchus nudus Quinisulcius acutus |

## Phytoplasma and Viral diseases

Viral diseases :
| Aster yellows | Aster yellows phytoplasma |
| Sunflower mosaic | Cucumber mosaic virus |
| Sunflower virus | Tobacco mosaic virus |
| Chlorotic Mottle | Sunflower Chlorotic Mottle virus (SuCMoV) |