This article is a list of diseases of papaya (Carica papaya).
Bacterial diseases
Bacterial diseasesBacterial cankerErwinia sp.Bacterial leaf spotPseudomonas caricapapayaeBacterial wiltPseudomonas solanacearumPapaya Bunchy Top DiseaseRickettsiaErwinia declineErwinia sp. Erwinia mushy cankerErwinia sp.Internal yellowingEnterobacter cloacaePurple stainErwinia herbicola
Fungal diseases
Fungal diseasesAlternaria fruit spotAlternaria alternataAngular leaf spotLeveillula tauricaAnthracnoseColletotrichum gloeosporioidesBlack spotAsperisporium caricae Cercospora papayae Phomopsis caricae-papayaeBlossom spotChoanephora cucurbitarumBlack rotMycosphaerella caricaeBrown spotCorynespora cassiicola Cercospora melonis Cercospora vignicola Helminthosporium cassiicola Helminthosporium vignae Helminthosporium vignicolaChocolate spotColletotrichum gloeosporioidesCollar rotCylindrocladium crotalariae Calonectria crotalariae [teleomorph]Damping offColletotrichum gloeosporioides Phytophthora palmivora Phytophthora nicotianae Phytophthora parasitica Pythium aphanidermatum Pythium debaryanum Pythium ultimum Pythium sp. Rhizoctonia solani Thanatephorus cucumeris [teleomorph]Dry rotPhoma caricae-papayae Ascochyta caricae Ascochyta caricae-papayae Mycosphaerella caricae [teleomorph]Foot rotPythium aphanidermatum Pythium ultimumFruit rotMonilia sp.Fruit spotCercospora mamaonisFusarium fruit rotFusarium solani Fusarium spp.Guignardia spotGuignardia sp.Greasy spotCorynespora cassiicola Cercospora melonis Cercospora vignicola Helminthosporium cassiicola Helminthosporium vignae Helminthosporium vignicolaInternal blightCladosporium sp. Fusarium sp. Penicillium sp.Lasiodiplodia fruit rotLasiodiplodia theobromae Botryodiplodia theobromae Botryodiplodia gossypii Diplodia theobromae Diplodia gossypina Diplodia natalensis Lasiodiplodia trifloraeLeaf spotAlternaria sp. Asperisporium caricae Cercospora mamaonis Cercospora papayae Choanephora cucurbitarum Curvularia caricae-papayae Gloeosporium sp. Phoma caricae-papayae Mycosphaerella caricae [teleomorph] Phyllosticta sp.Petiole spotDidymella sp.Phytophthora blightPhytophthora palmivora Phytophthora nicotianae var. parasitica Phytophthora parasiticaPowdery mildewPhyllactinia caricifolia Phyllactinia caricicola Phyllactinia caricae Erysiphe diffusa Erysiphe caricae Erysiphe caricae-papayae Erysiphe fallax Podosphaera caricicola Podosphaera xanthii complexPhytophthora fruit rotPhytophthora capsici Phytophthora nicotianae var. parasitica Phytophthora parasitica Phytophthora palmivoraRhizopus soft rotRhizopus stolonifer Rhizopus nigricansRoot rotPhytophthora palmivora Pythium aphanidermatum Pythium ultimum Pythium spp. Rhizoctonia solani Thanatephorus cucumeris [teleomorph]Sclerotium blightSclerotium rolfsii Athelia rolfsii [teleomorph]Seedling blightColletotrichum gloeosporioidesStem-end rotAlternaria alterneta Colletotrichum gloeosporioides Fusarium sp. Lasiodiplodia theobromae Botryodiplodia theobromae Botryodiplodia gossypii Diplodia theobromae Diplodia gossypina Diplodia natalensis Lasiodiplodia triflorae Phoma caricae-papayae Ascochyta caricae Ascochyta caricae-papayae Mycosphaerella caricae [teleomorph] Phomopsis sp. Rhizopus stoloniferStemphylium fruit spotStemphylium lycopersici Thyrospora lycopersici Stemphylium floridanumStem rotFusarium solani Nectria haematococca [teleomorph] Fusarium sp. Phytophthora palmivora Pythium aphanidermatum Pythium ultimumTarget spotPhyllosticta caricae-papayaeVerticillium wiltVerticillium dahliaeWet fruit rotPhomopsis sp.
Miscellaneous diseases and disorders
Miscellaneous diseases and disordersAlgal leaf spotCephaleuros virescensBumpy fruitBoron deficiencyFrecklesPhysiologicalNivum Haamir diebackUnknown cause
Nematodes, parasitic
Nematodes, parasiticReniform nematodeRotylenchulus reniformis Rotylenchulus parvusRoot-knot nematodeMeloidogyne incognita Meloidogyne javanica Meloidogyne arenaria Meloidogyne hapla
Phytoplasmal diseases
Phytoplasmal diseasesDiebackPhytoplasmaYellow crinklePhytoplasma
Viral and viroid diseases
Viral and viroid diseasesApical necrosisPapaya apical necrosis virusDroopy necrosisPapaya droopy necrosis virusFeather leafUnknown virusLeaf curlVirus suspectedMosaicPapaya mosaic virusPapaya ringspotPapaya ringspot virusPapaya lethal yellowingPapaya lethal yellowing virusSpotted wiltTomato spotted wilt virusSticky disease ('meleira')Papaya meleira virus complexTerminal necrosis and wiltTobacco ringspot virus
References
Common Names of Diseases, The American Phytopathological Society