List of hemp diseases

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

1 Bacterial diseases
2 Fungal diseases
3 Nematodes, parasitic
4 Viral diseases
5 Phytoplasmal diseases
6 Miscellaneous diseases and disorders
7 References

[edit] Bacterial diseases

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

[edit] Fungal diseases

Fungal diseases
Anthracnose	Colletotrichum coccodes = C. atramentarium = C. dematium
Black dot disease	Epicoccum nigrum = Epicoccum purpurascens
Black mildew	Schiffnerula cannabis
Brown blight	Alternaria alternata = A. tenuis
Brown leaf spot and stem canker	Ascochyta spp. A. prasadii Phoma spp. Didymella spp. [teleomorph] P. exigua P. glomerata P. herbarum
Charcoal rot	Macrophomina phaseolina
Cladosporium stem canker	Cladosporium cladosporioides C. herbarum Mycosphaerella tassiana [teleomorph]
Curvularia leaf spot	Curvularia cymbopogonis C. lunata Cochliobolus lunatus [teleomorph]
Cylindrosporium blight	Cylindrosporium spp. C. cannabinum
Damping-off	Botrytis cinerea Botryotinia fuckeliana [teleomorph] Fusarium oxysporum F. solani Nectria haematococca [teleomorph] Macrophomina phaseolina Pythium aphanidermatum P. debaryanum P. ultimum Rhizoctonia solani Thanatophorus cucumeris [teleomorph] = Pellicularia filamentosa
Downy mildew	Pseudoperonospora cannabina P. humuli
Fusarium foot rot and root rot	Fusarium solani
Fusarium stem canker	Fusarium sulphureum Gibberella cyanogena [teleomorph] = G. saubinett
Fusarium wilt	Fusarium oxysporum f. sp. cannabis F. oxysporum f. sp. vasinfectum
Gray mold	Botrytis cinerea
Hemp canker	Sclerotinia sclerotiorum
Leptosphaeria blight	Leptosphaeria cannabina L. woroninii L. acuta
Olive leaf spot	Cercospora cannabis Pseudocercospora cannabina
Ophiobolus stem canker	Ophiobolus cannabinus O. anguillidus
Phoma stem canker	Phoma herbarum P. exigua
Phomopsis stem canker	Phomopsis cannabina P. 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 = S. 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] S. cannabinum
Tar spot Phyllachora cannabidis
Tropical rot	Lasiodiplodia theobromae = Botryodiplodia theobromae
Twig blight	Dendrophoma marconii Botryosphaeria marconii [teleomorph]
Verticillium wilt	Verticillium albo-atrum V. dahliae
White leaf spot	Phomopsis ganjae
Yellow leaf spot	Septoria cannabis S. cannabina

[edit] Nematodes, parasitic

Nematodes, parasitic
Cyst	Heterodera humuli H. schachtii
Needle	Paralongidorus maximus = Longidorus maximus
Root-knot	Meloidogyne incognita M. javanica
Stem	Ditylenchus dipsaci

[edit] 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