List of hop diseases

This article is a list of diseases of hops (Humulus lupulus).

Bacterial diseases

Bacterial diseases
Bacterial disease Corynebacterium sp.
Crown gall Agrobacterium tumefaciens

Fungal diseases

Fungal diseases
Alternaria cone disorder

Alternaria alternata
= Alternaria tenuis

Armillaria root rot (shoestring root rot)

Armillaria mellea
Rhizomorpha subcorticalis [anamorph]

Black root rot

Phytophthora citricola
= Phytophthora cactorum var. applanata

Canker

Fusarium sambucinum
Gibberella pulicaris [teleomorph]

Downy mildew

Pseudoperonospora humuli

Gray mold

Botrytis cinerea
Botryotinia fuckeliana [teleomorph]

Leaf spots

Septoria humuli
= Ascochyta humuli
Mycocentrospora cantuariensis
= Cercospora cantuariensis

Phoma wilt

Phoma herbarum

Powdery mildew

Sphaerotheca macularis
= Sphaerotheca humuli

Rosellinia root rot (Dematophora root rot)

Rosellinia necatrix
Dematophora necatrix [anamorph]

Sclerotinia wilt

Sclerotinia sclerotiorum

Verticillium wilt

Verticillium albo-atrum
Verticillium dahliae

Miscellaneous diseases and disorders

Miscellaneous diseases and disorders
Aphid blight (hop aphid) Phorodon humuli
Chlorotic disease Undetermined
Red spider (two-spotted spider mite) Tetranychus urticae
Small hop Undetermined
Sooty mold Several fungal species including Cladosporium spp. (surface molds only, not pathogens)
Weevil, clay colored Otiorhynchus singularis

Nematodes, parasitic

Nematodes, parasitic
Cyst (eelworm)

Heterodera humuli

Dagger

Xiphinema diversicaudatum
Xiphinema americanum

Root-knot

Meloidogyne hapla
Meloidogyne incognita
Meloidogyne javanica

Virus and viroid diseases

Virus and viroid diseases
American hop latent American hop latent virus
Hop latent Hop latent virus

Hop latent viroid

Hop mosaic Hop mosaic virus

Hop stunt viroid

Nettlehead Arabis mosaic virus
Ringspot Prunus necrotic ringspot virus
Split leaf blotch Arabis mosaic virus

References