This article is a list of diseases of sunflowers (Helianthus annuus) and jerusalem artichoke (H. tuberosus).
Bacterial diseases
Bacterial diseasesApical chlorosis Pseudomonas syringae pv. tagetisBacterial leaf spot Pseudomonas syringae pv. aptata P. cichorii Pseudomonas syringae pv. helianthi Pseudomonas syringae pv. melleaBacterial wilt Pseudomonas solanacearumCrown gall Agrobacterium tumefaciensErwinia stalk rot and head rot Erwinia carotovora subsp. carotovora E. carotovora subsp. atroseptica
Fungal diseases
Fungal diseasesAlternaria leaf blight, stem spot and head rot Alternaria alternata Alternaria tenuis Alternaria helianthi Helminthosporium helianthi Alternaria helianthicola Alternaria leucanthemi Alternaria tenuissima Alternaria zinniaeBotrytis head rot (gray mold) Botrytis cinerea Botryotinia fuckeliania [teleomorph]Charcoal rot Macrophomina phaseolina Sclerotium bataticola Rhizoctonia bataticolaDowny mildew Plasmopara halstedii Plasmopara helianthi f. helianthiFusarium 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 oxysporumMyrothecium leaf and stem spot Myrothecium roridum Myrothecium verrucariaPhialophora yellows Phialophora asterisPhoma 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 omnivorumPhytophthora stem rot Phytophthora spp. Phytophthora drechsleriPowdery mildew Golovinomyces latisporusPythium seedling blight and root rot Pythium spp. Pythium aphanidermatum Pythium debaryanum Pythium irregulareRhizoctonia seedling blight Rhizoctonia solani Thanatephorus cucumeris [teleomorph]Rhizopus head rot Rhizopus arrhizus Rhizopus nodosus Rhizopus microsporus Rhizopus stolonifer Rhizopus nigricansRust Puccinia helianthi Puccinia xanthii Uromyces junciSclerotinia basal stalk rot and wilt, mid-stalk rot, head rot Sclerotinia sclerotiorum Sclerotinia libertiana Whetzelinia sclerotiorumSclerotinia basal stalk rot and wilt Sclerotinia minor Sclerotium basal stalk and root rot (southern blight) Sclerotium rolfsii Athelia rolfsii [teleomorph]Septoria leaf spot Septoria helianthiVerticillium wilt Verticillium albo-atrum Verticillium dahliaeWhite rust Albugo tragopogonis Cystopus tragopogonisYellow rust Coleosporium helianthi Coleosporium pacificum Coleosporium madiae Peridermium californicum [anamorph]
Nematodes, parasitic
Nematodes, parasiticDagger, American Xiphinema americanumPin Paratylenchus projectusLesion Pratylenchus spp. Pratylenchus hexincisusReniform Rotylenchulus spp. Rotylenchulus reniformisRoot knot Meloidogyne arenaria Meloidogyne incognita Meloidogyne javanicaSpiral Helicotylenchus sp. Stunt Tylenchorhynchus nudus Quinisulcius acutus
Phytoplasma and Viral diseases
Viral diseasesAster yellows Aster yellows phytoplasma Sunflower mosaic Cucumber mosaic virus Sunflower virus Tobacco mosaic virus Chlorotic Mottle Sunflower Chlorotic Mottle virus (SuCMoV)
References
Common Names of Diseases, The American Phytopathological Society