List of hemp diseases

This article is a list of diseases of hemp (Cannabis sativa).

Contents

Bacterial diseases

Bacterial diseases
Bacterial blight Pseudomonas cannabina
Crown gall Agrobacterium tumefaciens
Striatura ulcerosa Pseudomonas amygdali pv. mori
Xanthomonas leaf spot Xanthomonas campestris pv. cannabis

Fungal diseases

Fungal diseases
Anthracnose

Colletotrichum coccodes
= Colletotrichum atramentarium
= Colletotrichum dematium
Black dot disease

Epicoccum nigrum
= Epicoccum purpurascens
Black mildew Schiffnerula cannabis
Brown blight

Alternaria alternata
= Alternaria tenuis
Brown leaf spot and stem canker

Ascochyta spp.
Ascochyta prasadii
Phoma spp.
Didymella spp. [teleomorph]
Phoma exigua
Phoma glomerata
Phoma herbarum
Charcoal rot Macrophomina phaseolina
Cladosporium stem canker

Cladosporium cladosporioides
Cladosporium herbarum
Mycosphaerella tassiana [teleomorph]
Curvularia leaf spot

Curvularia cymbopogonis
Curvularia lunata
Cochliobolus lunatus [teleomorph]
Cylindrosporium blight

Cylindrosporium spp.
Cylindrosporium cannabinum
Damping-off

Botrytis cinerea
Botryotinia fuckeliana [teleomorph]
Fusarium oxysporum
Fusarium solani
Nectria haematococca [teleomorph]
Macrophomina phaseolina
Pythium aphanidermatum
Pythium debaryanum
Pythium ultimum
Rhizoctonia solani
Thanatephorus cucumeris [teleomorph]
= Pellicularia filamentosa
Downy mildew

Pseudoperonospora cannabina
Pseudoperonospora humuli
Fusarium foot rot and root rot Fusarium solani
Fusarium stem canker

Fusarium sulphureum
Gibberella cyanogena [teleomorph]
= Gibberella saubinetii
Fusarium wilt

Fusarium oxysporum f.sp. cannabis
Fusarium oxysporum f.sp. vasinfectum
Gray mold Botrytis cinerea
Hemp canker Sclerotinia sclerotiorum
Leptosphaeria blight

Leptosphaeria cannabina
Leptosphaeria woroninii
Leptosphaeria acuta
Olive leaf spot

Cercospora cannabis
Pseudocercospora cannabina
Ophiobolus stem canker

Ophiobolus cannabinus
Ophiobolus anguillides
Phoma stem canker

Phoma herbarum
Phoma exigua
Phomopsis stem canker

Phomopsis cannabina
Phomopsis achilleae
Diaporthe arctii var. achilleae [teleomorph]
Phymatotrichum root rot

Cotton root rot

 Phymatotrichopsis omnivora

= Phymatotrichum omnivorum
Pink rot Trichothecium roseum

= Cephalothecium roseum
Powdery mildew

Leveillula taurica
Oidiopsis taurica [anamorph]
Sphaerotheca macularis
= Sphaerotheca humuli
Oidium sp. [anamorph]
Red boot Melanospora cannabis (secondary on hemp canker)
Rhizoctonia soreshin and root rot Rhizoctonia solani
Rust

Aecidium cannabis
Uredo kriegeriana
Uromyces inconspicuus
Southern blight

Sclerotium root and stem rot

Sclerotium rolfsii
Athelia rolfsii [teleomorph]
Stemphylium leaf and stem spot

Stemphylium botryosum
Pleospora tarda [teleomorph]
Stemphylium cannabinum
Tar spot Phyllachora cannabis
Tropical rot

Lasiodiplodia theobromae
= Botryodiplodia theobromae
Twig blight

Dendrophoma marconii
Botryosphaeria marconii [teleomorph]
Verticillium wilt

Verticillium albo-atrum
Verticillium dahliae
White leaf spot Phomopsis ganjae
Yellow leaf spot

Septoria cannabis
Septoria cannabina

Nematodes, parasitic

Nematodes, parasitic
Cyst

Heterodera humuli
Heterodera schachtii
Needle

Paralongidorus maximus
= Longidorus maximus
Root-knot

Meloidogyne incognita
Meloidogyne javanica
Stem

Ditylenchus dipsaci

Viral diseases

Viral diseases
Alfalfa mosaic & Lucerne mosaic genus Alfamovirus, Alfalfa mosaic virus (AMV)
Arabis mosaic genus Nepovirus, Arabis mosaic virus (ArMV)
Cucumber mosaic genus Cucumovirus, Cucumber mosaic virus (CMV)
Hemp mosaic genus ?, Hemp mosaic virus
Hemp streak genus ?, Hemp streak virus

Phytoplasmal diseases

Phytoplasmal diseases
Witches' broom

Miscellaneous diseases and disorders

Miscellaneous diseases and disorders
Fasciation Cause undetermined
Grey fleck Magnesium deficiency
Tipburn & leaf margin necrosis Potassium deficiency

References