This article is a list of diseases of hops (Humulus lupulus).
Bacterial diseases
Bacterial diseasesBacterial disease Corynebacterium sp. Crown gall Agrobacterium tumefaciens
Fungal diseases
Fungal diseasesAlternaria cone disorder Alternaria alternata Alternaria tenuisArmillaria root rot (shoestring root rot) Armillaria mellea Rhizomorpha subcorticalis [anamorph]Black root rot Phytophthora citricola Phytophthora cactorum var. applanataCanker Fusarium sambucinum Gibberella pulicaris [teleomorph]Downy mildew Pseudoperonospora humuliGray mold Botrytis cinerea Botryotinia fuckeliana [teleomorph]Leaf spots Septoria humuli Ascochyta humuli Mycocentrospora cantuariensis Cercospora cantuariensisPhoma wilt Phoma herbarumPowdery mildew Podosphaera macularis Sphaerotheca macularis Sphaerotheca humuliRosellinia root rot (Dematophora root rot) Rosellinia necatrix Dematophora necatrix [anamorph]Sclerotinia wilt Sclerotinia sclerotiorumVerticillium wilt Verticillium nonalfalfae
Miscellaneous diseases and disorders
Miscellaneous diseases and disordersAphid blight (hop aphid) Phorodon humuliChlorotic disease Undetermined Red spider (two-spotted spider mite) Tetranychus urticaeSmall hop Undetermined Sooty mold Several fungal species including Cladosporium spp. (surface molds only, not pathogens) Weevil, clay colored Otiorhynchus singularis
Nematodes, parasitic
Nematodes, parasiticCyst (eelworm) Heterodera humuliDagger Xiphinema diversicaudatum Xiphinema americanumRoot-knot Meloidogyne hapla Meloidogyne incognita Meloidogyne javanica
Virus and viroid diseases
Virus and viroid diseasesAmerican hop latent American hop latent virus (AHLV)Hop latent Hop latent virus Hop latent viroid (HLVd)Hop mosaic Apple mosaic virus Hop mosaic virus (HpMV) Nettlehead Split leaf blotch Arabis mosaic virus Ringspot Prunus necrotic ringspot virus (Stunting)Citrus bark cracking viroid (CBCVd) Hop stunt viroid (HSVd)
References
Common Names of Diseases, The American Phytopathological Society