List of hemp diseases
Encyclopedia
This article is a list of diseases of hemp
(Cannabis sativa).
Hemp
Hemp is mostly used as a name for low tetrahydrocannabinol strains of the plant Cannabis sativa, of fiber and/or oilseed varieties. In modern times, hemp has been used for industrial purposes including paper, textiles, biodegradable plastics, construction, health food and fuel with modest...
(Cannabis sativa).
Bacterial diseases
| Bacterial diseases |
|
|---|---|
| Bacterial blight | Pseudomonas cannabina Pseudomonas cannabina Pseudomonas cannabina is a gray, Gram-negative, fluorescent, motile, flagellated, aerobic bacterium that causes leaf and stem rot of hemp , from which it derives its name. It was formerly classified as a pathovar of Pseudomonas syringae, but following ribotypical analysis, it was reinstated as a... |
| Crown gall | Agrobacterium tumefaciens Agrobacterium tumefaciens Agrobacterium tumefaciens is the causal agent of crown gall disease in over 140 species of dicot. It is a rod shaped, Gram negative soil bacterium... |
| Striatura ulcerosa | Pseudomonas amygdali Pseudomonas amygdali Pseudomonas amygdali is a Gram-negative plant pathogenic bacterium. It is named after its ability to cause disease on almond trees. Based on 16S rRNA analysis, P. amygdali has been placed in the P. syringae group. Following ribotypical analysis several pathovars of Pseudomonas syringae were... pv. mori |
| Xanthomonas leaf spot | Xanthomonas campestris Xanthomonas campestris Xanthomonas campestris is a bacterial species that causes a variety of plant diseases. Available from the NCPPB,and other international Culture collections such as ICMP, ATCC, and LMG in a purified form, it is used in the commercial production of a high-molecular-weight polysaccharide - xanthan... pv. cannabis |
Fungal diseases
| Fungal diseases |
|
|---|---|
| Anthracnose | Colletotrichum coccodes Colletotrichum coccodes Colletotrichum coccodes is a plant pathogen, which causes anthracnose on tomato and black dot disease of potato.- External links :*... Epicoccum purpurascens |
| Black mildew | Schiffnerula cannabis Schiffnerula cannabis Schiffnerula cannabis is a plant pathogen.- External links :* *... |
| Brown blight | Alternaria alternata Alternaria alternata Alternaria alternata has been recorded causing leaf spot and other diseases on over 380 host species. It is opportunistic pathogen on numerous hosts causing leaf spots, rots and blights on many plant parts... Alternaria tenuis |
| Brown leaf spot and stem canker | Ascochyta Ascochyta Ascochyta is a genus of ascomycote fungi, containing several pathogens to plants. The taxonomy of this genus is still incomplete.Some of these pathogens affect grass species, including grains.- Some species of Ascochyta :... spp. Ascochyta prasadii Ascochyta prasadii Ascochyta prasadii is a plant pathogen that causes leaf spot and stem cakers on hemp.- External links :* *... Phoma Phoma Phoma is a genus of common coelomycetous soil fungi. It contains many plant pathogenic species. About 140 Phoma taxa have been defined and recognized which may be divided into two large groups: plurivorous fungi, generally saprobic or weakly parasitic, mainly from temperate regions in Eurasia, but... spp. Didymella spp. [teleomorph] Phoma exigua Phoma exigua Phoma exigua is a fungal plant pathogen. It causes wet weather blight in cotton.- Varieties of Phoma exigua :* Phoma exigua var. exigua* Phoma exigua var. heteromorpha... Phoma glomerata Phoma glomerata Phoma glomerata is a plant pathogen.- External links :**... Phoma herbarum Phoma herbarum Phoma herbarum is a fungal plant pathogen.- External links :* *... |
| Charcoal rot | Macrophomina phaseolina Macrophomina phaseolina Macrophomina phaseolina is a Botryosphaeriaceae fungus that is a plant pathogen that causes charcoal rot on many plant species including Zea mays and Pinus elliottii.- External links :* *... |
| Cladosporium stem canker | Cladosporium cladosporioides Cladosporium cladosporioides Cladosporium cladosporioides is a fungal plant pathogen that affects wheat. It is the source of the series of chemical compounds known as calphostins.- External links :* *... Cladosporium herbarum Mycosphaerella tassiana [teleomorph] |
| Curvularia leaf spot | Curvularia cymbopogonis Curvularia lunata Cochliobolus lunatus Cochliobolus lunatus Cochliobolus lunatus is a fungal plant pathogen.- External links :* *... [teleomorph] |
| Cylindrosporium blight | Cylindrosporium spp. Cylindrosporium cannabinum Cylindrosporium cannabinum Cylindrosporium cannabinum is a plant pathogen.- External links :* *... |
| Damping-off | Botrytis cinerea Botrytis cinerea Botrytis cinerea is a necrotrophic fungus that affects many plant species, although its most notable hosts may be wine grapes. In viticulture, it is commonly known as botrytis bunch rot; in horticulture, it is usually called grey mould or gray mold.The fungus gives rise to two different kinds of... Botryotinia fuckeliana Botryotinia fuckeliana Botryotinia fuckeliana is a plant pathogen, and the causal agent of gray mold disease.The specific epithet was named by mycologist Heinrich Anton de Bary in honor of another mycologist, Karl Wilhelm Gottlieb Leopold Fuckel.... [teleomorph] Fusarium oxysporum Fusarium oxysporum Fusarium oxysporum Schlecht. as emended by Snyder and Hansen comprises all the species, varieties and forms recognized by Wollenweber and Reinking within an infrageneric grouping called section Elegans... Fusarium solani Nectria haematococca [teleomorph] Macrophomina phaseolina Macrophomina phaseolina Macrophomina phaseolina is a Botryosphaeriaceae fungus that is a plant pathogen that causes charcoal rot on many plant species including Zea mays and Pinus elliottii.- External links :* *... Pythium aphanidermatum Pythium aphanidermatum Pythium aphanidermatum is a plant pathogen.- External links :**... Pythium debaryanum Pythium debaryanum Pythium debaryanum is a plant pathogen.- External links :**... Pythium ultimum Pythium ultimum Pythium ultimum is a plant pathogen.- External links :***... Rhizoctonia solani Rhizoctonia solani Rhizoctonia solani is a plant pathogenic fungus with a wide host range and worldwide distribution. This plant pathogen was discovered more than 100 years ago. Rhizoctonia solani frequently exists as thread-like growth on plants or in culture. Asexual spores are not produced, only the sexual stage... Thanatephorus cucumeris [teleomorph] Pellicularia filamentosa |
| Downy mildew | Pseudoperonospora cannabina Pseudoperonospora cannabina Pseudoperonospora cannabina is a plant pathogen.- External links :* *... Pseudoperonospora humuli Pseudoperonospora humuli Pseudoperonospora humuli is a plant pathogen that causes downy mildew on hops and hemp.- External links :* *... |
| Fusarium foot rot and root rot | Fusarium solani |
| Fusarium stem canker | Fusarium sulphureum Fusarium sulphureum Fusarium sulphureum is a fungal plant pathogen.- External links :* *... Gibberella cyanogena Gibberella cyanogena Gibberella cyanogena is a fungal plant pathogen.- External links :* *... [teleomorph] Gibberella saubinetii |
| Fusarium wilt | Fusarium oxysporum f.sp. cannabis Fusarium oxysporum f.sp. cannabis Fusarium oxysporum f.sp. cannabis is a fungal plant pathogen.-External links:* *... Fusarium oxysporum f.sp. vasinfectum Fusarium oxysporum f.sp. vasinfectum Fusarium oxysporum f.sp. vasinfectum is a fungal plant pathogen.-External links:* *... |
| Gray mold | Botrytis cinerea Botrytis cinerea Botrytis cinerea is a necrotrophic fungus that affects many plant species, although its most notable hosts may be wine grapes. In viticulture, it is commonly known as botrytis bunch rot; in horticulture, it is usually called grey mould or gray mold.The fungus gives rise to two different kinds of... |
| Hemp canker | Sclerotinia sclerotiorum Sclerotinia sclerotiorum Sclerotinia sclerotiorum is a plant pathogenic fungus and can cause a disease called white mold if conditions are correct. S. sclerotiorum can also be known as cottony rot, watery soft rot, stem rot, drop, crown rot and blossom blight... |
| Leptosphaeria blight | Leptosphaeria cannabina Leptosphaeria cannabina Leptosphaeria cannabina is a plant pathogen.- External links :* *... Leptosphaeria woroninii Leptosphaeria woroninii Leptosphaeria woroninii is a plant pathogen.- External links :* *... Leptosphaeria acuta Leptosphaeria acuta Leptosphaeria acuta is a plant pathogen.- External links :* *... |
| Olive leaf spot | Cercospora cannabis Cercospora cannabis Cercospora cannabis is a fungal plant pathogen.- External links :**... Pseudocercospora cannabina Pseudocercospora cannabina Pseudocercospora cannabina is a fungal plant pathogen.- External links :**... |
| Ophiobolus stem canker | Ophiobolus cannabinus Ophiobolus cannabinus Ophiobolus cannabinus is a plant pathogen that causes stem canker on hemp.- External links :* *... Ophiobolus anguillides Ophiobolus anguillides Ophiobolus anguillides is a plant pathogen that causes stem canker on hemp.- External links :* *... |
| Phoma stem canker | Phoma herbarum Phoma herbarum Phoma herbarum is a fungal plant pathogen.- External links :* *... Phoma exigua Phoma exigua Phoma exigua is a fungal plant pathogen. It causes wet weather blight in cotton.- Varieties of Phoma exigua :* Phoma exigua var. exigua* Phoma exigua var. heteromorpha... |
| Phomopsis stem canker | Phomopsis cannabina Phomopsis cannabina Phomopsis cannabina is a plant pathogen.- External links :* *... Phomopsis achilleae Diaporthe arctii var. achilleae Diaporthe arctii var. achilleae Diaporthe arctii var. achilleae is a plant pathogen.-External links:* *... [teleomorph] |
| Phymatotrichum root rot Cotton root rot |
Phymatotrichopsis omnivora Cephalothecium roseum |
| Powdery mildew | Leveillula taurica Leveillula taurica Leveillula taurica is a plant pathogen.- External links :* *... Oidiopsis taurica [anamorph] Sphaerotheca macularis Sphaerotheca humuli Oidium Oidium This article is about a type of fungal spore. For the ascomycete genus, see Oidium . For the fungus that causes powdery mildew on grapes, see Uncinula necator.... sp. [anamorph] |
| Red boot | Melanospora cannabis (secondary on hemp canker) |
| Rhizoctonia soreshin and root rot | Rhizoctonia solani Rhizoctonia solani Rhizoctonia solani is a plant pathogenic fungus with a wide host range and worldwide distribution. This plant pathogen was discovered more than 100 years ago. Rhizoctonia solani frequently exists as thread-like growth on plants or in culture. Asexual spores are not produced, only the sexual stage... |
| Rust | Aecidium cannabis Aecidium cannabis Aecidium cannabis is a species of fungus in the Pucciniales order. It is a plant pathogen.... Uredo kriegeriana Uredo kriegeriana Uredo kriegeriana is a fungalplant pathogen.- External links :... Uromyces inconspicuus Uromyces inconspicuus Uromyces inconspicuus is a plant pathogen.- External links :* *... |
| Southern blight Sclerotium root and stem rot |
Sclerotium rolfsii Athelia rolfsii Athelia rolfsii Athelia rolfsii is a corticioid fungus in the family Atheliaceae. It is a facultative plant pathogen and is the causal agent of "southern blight" disease in crops.-Taxonomy:... [teleomorph] |
| Stemphylium leaf and stem spot | Stemphylium botryosum Pleospora tarda Pleospora tarda Pleospora tarda is a plant pathogen.- External links :* *... [teleomorph] Stemphylium cannabinum Stemphylium cannabinum Stemphylium cannabinum is a plant pathogen.- External links :* *... |
| Tar spot | Phyllachora cannabis Phyllachora cannabis Phyllachora cannabis is a plant pathogen.- External links :* *... |
| Tropical rot | Lasiodiplodia theobromae Lasiodiplodia theobromae Lasiodiplodia theobromae is a plant pathogen with a very wide host range. It causes rotting and dieback in most species it infects. On rare occasions it has been found to cause Fungal keratitis. It is a common post harvest fungus disease of citrus known as stem-end rot.- External links :* *... Botryodiplodia theobromae |
| Twig blight | Dendrophoma marconii Dendrophoma marconii Dendrophoma marconii is an ascomycete fungus that is a plant pathogen.- External links :* *... Botryosphaeria marconii Botryosphaeria marconii Botryosphaeria marconii is a plant pathogen that causes stalk and twig blight on hemp.- External links :**... [teleomorph] |
| Verticillium wilt | Verticillium albo-atrum Verticillium albo-atrum Verticillium albo-atrum is a plant pathogen.-External links:* *... Verticillium dahliae Verticillium dahliae Verticillium dahliae is a fungal plant pathogen. It causes verticillium wilt in many plant species, causing leaves to curl and discolor. It may cause death in some plants.- External links :* *... |
| White leaf spot | Phomopsis ganjae Phomopsis ganjae Phomopsis ganjae is a plant pathogen.- External links :* *... |
| Yellow leaf spot | Septoria cannabis Septoria cannabis Septoria cannabis is a fungal plant pathogen.- External links :* *... Septoria cannabina |
Nematodes, parasitic
| Nematodes, parasitic |
|
|---|---|
| Cyst | Heterodera humuli Heterodera humuli Heterodera humuli is a plant pathogenic nematode, the hop cyst nematode. It is an obligate parasite and infests hop plants, Humulus lupulus.-Description:... Heterodera schachtii Heterodera schachtii Heterodera schachtii is a plant pathogenic nematode. It infects more than 200 different plants including economically important crops such as sugar beets, cabbage, broccoli, and radish. H. schachtii is found worldwide. Affected plants are marked by stunted growth, wilting, yellowing, decreased... |
| Needle | Paralongidorus maximus Paralongidorus maximus Paralongidorus maximus is a plant pathogenic nematode.- External links :*... Longidorus maximus Longidorus maximus Longidorus maximus is a plant pathogenic nematode.... |
| Root-knot | Meloidogyne incognita Meloidogyne incognita The Meloidogyne incognita is a nematode, a type of roundworm, in the family Heteroderidae. It is an important plant parasite classified in parasitology as a root-knot nematode, as it prefers to attack the root of its host plant.... Meloidogyne javanica Meloidogyne javanica Meloidogyne javanica is a plant pathogenic nematode. It is one of the tropical Root-knot Nematodes and a major agricultural pest in many countries. Meloidogyne javanica reproduces by obligatory mitotic parthenogenesis .- External links :*... |
| Stem | Ditylenchus dipsaci Ditylenchus dipsaci Ditylenchus dipsaci is a plant pathogenic nematode which primarily infects onions and garlic. It is commonly known as the stem nematode, the stem and bulb eelworm or onion bloat .-Distribution:... |
Viral diseases
| Viral diseases |
|
|---|---|
| Alfalfa mosaic & Lucerne mosaic | genus Alfamovirus, Alfalfa mosaic virus (AMV) Alfalfa mosaic virus Alfalfa mosaic virus , also known as Lucerne mosaic virus or Potato calico virus, is a worldwide distributed phytopathogen that can lead to necrosis and yellow mosaics on a large variety of plant species, including commercially important crops. It is the only Alfamovirus of the Bromoviridae... |
| Arabis mosaic | genus Nepovirus Nepovirus Nepoviruses or nematode transmitted polyhedral viruses, are a genus of plant viruses of the family Secoviridae and subfamily Comovirinae... , Arabis mosaic virus Arabis mosaic virus Arabis mosaic virus is a plant pathogenic virus of the family Comoviridae.-External links:**... (ArMV) |
| Cucumber mosaic | genus Cucumovirus Cucumovirus Cucumovirus is a genus of virus that infects plants. It is a member of the Bromoviridae family. It contains three described species, the cucumber mosaic virus, peanut stunt virus and tomato aspermy virus.... , Cucumber mosaic virus Cucumber mosaic virus Cucumber mosaic virus is a plant pathogenic virus in the family Bromoviridae.It is the type member of the plant virus genus, Cucumovirus. This virus has a worldwide distribution and a very wide host range. In fact it has the reputation of having the widest host range of any known plant virus... (CMV) |
| Hemp mosaic | genus ?, Hemp mosaic virus Hemp mosaic virus Hemp mosaic virus is a pathogenic plant virus. It is known by many names, including bean strain of tobacco mosaic virus and Sunn-hemp rosette virus.-External links:**... |
| 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 |