This article is a list of diseases of avocados (Persea americana).
Bacterial diseases
Bacterial diseasesBacterial canker Pseudomonas syringaeXanthomonas campestrisBlast and bacterial fruit spot Pseudomonas syringaeCrown gall Agrobacterium tumefaciens
Fungal diseases
Fungal diseasesAnthracnose Colletotrichum gloeosporioides Glomerella cingulata [teleomorph] Armillaria root rot Shoestring root rot Armillaria mellea Rhizomorpha subcorticalis [anamorph] Black mildew Asteridiella perseae Irene perseaeBranch canker Botryosphaeria disrupta Botryosphaeria obtusa Physalospora obtusa Botryosphaeria quercuum Physalospora glandicola Botryosphaeria rhodina Physalospora rhodina Physalospora abdita Physalospora fuscaButt rot Ganoderma zonatum Ganoderma sulcatumCercospora spot (blotch) Pseudocercospora purpureaClitocybe root rot Armillaria tabescens Clitocybe tabescensCollar rot Sclerotinia sclerotiorumDematophora root rot Dematophora necatrix Rosellinia necatrix [teleomorph] Dieback Diplodia cacaoicola Phomopsis sp. Fruit rot (includes stem end rot & fruit spots) Botryodiplodia spp. Botryosphaeria obtusa Botryosphaeria quercuum Botryosphaeria rhodina Botrytis cinerea Botrytis vulgaris Botryotinia fuckeliana [teleomorph] Colletotrichum gloeosporioides Cylindrocladium scoparium Calonectria kyotensis [teleomorph] Dothiorella aromatica Dothiorella gregaria Fusarium decemcellulare Albonectria rigidiuscula [teleomorph] Lasiodiplodia theobromae Diplodia natalensis Nectria pseudotrichia Tubercularia lateritia [anamorph] Pestalotia spp. Pestalotiopsis versicolor Phomopsis perseae Rhizopus stolonifer Sclerotinia sclerotiorum Sclerotinia libertianaHeart rot Oxyporus latemarginatus Poria latemarginataLeaf spots Bipolaris sorokiniana Cochliobolus sativus [teleomorph] Pestalotia spp. Pestalotiopsis adusta Phyllachora gratissima Phyllosticta micropuncta Phyllosticta perseaePhomopsis spot Phomopsis spp. Physalospora canker Physalospora perseaePhytophthora crown rot Phytophthora cinnamomi Phytophthora citricolaPhytophthora trunk canker Phytophthora cinnamomi Phytophthora citricola Phytophthora heveaePhytophthora root rot Phytophthora cinnamomiPink rot Trichothecium roseum Cephalothecium roseum Powdery mildew Oidium spp. Rhizoctonia seed and root rot Rhizoctonia solani Thanatephorus cucumeris [teleomorph] Root and bark rot Fusarium spp. Root rot Pythium spp. Rosellinia root rot Rosellinia bunodesRusty blight Colletotrichum gloeosporioides Colletotrichum nigrumScab (fruit & leaf) Sphaceloma perseaeSeedling blight Phytophthora palmivora Sclerotium rolfsii Athelia rolfsii [teleomorph] Smudgy spot Helminthosporium spp. Sooty blotch Akaropeltopsis sp. Tar spot Phyllachora gratissimaVerticillium wilt Verticillium dahliaeWood rots Fomitopsis supina Polyporus supinus Laetiporus sulphureus Polyporus sulphureus Sporotrichum versisporum [anamorph] Rigidoporus ulmarius Fomes geotropus Trametes hirsuta Polyporus hirsutus
Viruslike diseases
Viruslike diseasesSunblotch Avocado sunblotch viroidTrunk pitting Graft transmissible agent
Miscellaneous diseases and disorders
Miscellaneous diseases and disordersAlgal spot Cephaleuros virescens Kunze Blackstreak Unknown cause Dieback Copper deficiency Edema Physiological Littleleaf rosette Zinc deficiency Tipburn Excess mineral salts
References
Common Names of Diseases, The American Phytopathological Society