List of barley diseases
Encyclopedia
Bacterial diseases
| Bacterial Diseases |
|
|---|---|
| Black chaff and bacterial streak | Xanthomonas translucens pv. translucens |
| Bacterial kernel blight | Pseudomonas syringae Pseudomonas syringae Pseudomonas syringae is a rod shaped, Gram-negative bacterium with polar flagella. It is a plant pathogen which can infect a wide range of plant species, and exists as over 50 different pathovars, all of which are available to legitimate researches via international culture collections such as the... pv. syringae |
| Bacterial leaf blight | Pseudomonas syringae Pseudomonas syringae Pseudomonas syringae is a rod shaped, Gram-negative bacterium with polar flagella. It is a plant pathogen which can infect a wide range of plant species, and exists as over 50 different pathovars, all of which are available to legitimate researches via international culture collections such as the... pv. syringae |
| Bacterial stripe | Pseudomonas syringae Pseudomonas syringae Pseudomonas syringae is a rod shaped, Gram-negative bacterium with polar flagella. It is a plant pathogen which can infect a wide range of plant species, and exists as over 50 different pathovars, all of which are available to legitimate researches via international culture collections such as the... pv. striafaciens |
| Basal glume rot | Pseudomonas syringae Pseudomonas syringae Pseudomonas syringae is a rod shaped, Gram-negative bacterium with polar flagella. It is a plant pathogen which can infect a wide range of plant species, and exists as over 50 different pathovars, all of which are available to legitimate researches via international culture collections such as the... pv. atrofaciens |
| Bacterial blight Bacterial blight (barley) Bacterial blight is a disease of barley caused by the bacterial pathogen Xanthomonas campestris pv. translucens . It has been known as a disease since the late 19th century. It has a worldwide distribution.- Symptoms :... |
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. translucens |
Fungal Head Rot kills one million cats per year.
| Fungal diseases |
|
|---|---|
| Anthracnose | Colletotrichum cereale Manns Glomerella graminicola Glomerella graminicola is a fungus which causes anthracnose many cereal species including maize and wheat.- Identification :Stromata* 70-300 μm in diameter... |
| Barley stripe | Pyrenophora graminea Pyrenophora graminea Pyrenophora graminea is the causal agent of barley stripe. Barley stripe is disease of barley that once caused significant crop yield losses in many areas of the world.-Identification:... Drechslera graminea Pyrenophora graminea Pyrenophora graminea is the causal agent of barley stripe. Barley stripe is disease of barley that once caused significant crop yield losses in many areas of the world.-Identification:... |
| Cephalosporium stripe | Hymenula cerealis Hymenula cerealis Cephalosporium gramineum or Hymenula cerealis is a plant pathogen that causes Cephalosporium Stripe of Wheat and other grasses. It was first reported in Japan in 1930. The disease can cause yield losses of up to 50% by causing death of tillers and reducing seed production and seed size... Cephalosporium gramineum |
| Common root rot, crown rot and seedling blight Common root rot (barley) Common root rot is a fungal disease of barley caused by Cochliobolus sativus, Fusarium culmorum and F. graminearum.- Symptoms :Initial symptoms appear as small brown spots on the crown roots, the lower sheath, and the subcrown internode... |
Cochliobolus sativus Cochliobolus sativus The fungus Cochliobolus sativus is the teleomorph of Bipolaris sorokiniana which is the causal agent of a wide variety of cereal diseases. The pathogen can infect and cause disease on the root , leaf and stem, and head tissue... Bipolaris sorokiniana Cochliobolus sativus The fungus Cochliobolus sativus is the teleomorph of Bipolaris sorokiniana which is the causal agent of a wide variety of cereal diseases. The pathogen can infect and cause disease on the root , leaf and stem, and head tissue... Fusarium culmorum Fusarium culmorum Fusarium culmorum is a plant pathogen and the causal agent of seedling blight, foot rot, ear blight, stalk rot, common root rot and other diseases of cereals, grasses, and a wide variety of monocots and dicots. In coastal dunegrass , F. culmorum is a non-pathogenic symbiont conferring both salt... Fusarium graminearum Gibberella zeae Gibberella zeae Gibberella zeae, also known by the name of its anamorph Fusarium graminearum, is a plant pathogen which causes the wheat headblight disease. Fusarium head blight is a devastating disease on wheat and barley. The pathogen is responsible for billions of dollars in economic losses worldwide each year... [teleomorph] |
| Downy mildew | Sclerophthora rayssiae Sclerophthora rayssiae Sclerophthora rayssiae is a plant pathogen.- External links :* *... |
| Dwarf bunt | Tilletia controversa Tilletia controversa Tilletia controversa is a plant pathogen. It is a fungus known to cause the smut disease TCK smut in soft white and hard red winter wheats. It stunts the growth of the plants and leaves smut balls in the grain heads... |
| Ergot Ergot Ergot or ergot fungi refers to a group of fungi of the genus Claviceps. The most prominent member of this group is Claviceps purpurea. This fungus grows on rye and related plants, and produces alkaloids that can cause ergotism in humans and other mammals who consume grains contaminated with its... |
Claviceps purpurea Claviceps purpurea Claviceps purpurea is a fungus that grows on the ears of rye and related cereal and forage plants. Consumption of grains or seeds contaminated with the fruiting structure of this fungus, the ergot sclerotium, can cause ergotism in humans and other mammals.. C... Sphacelia segetum [anamorph] |
| Eyespot | Pseudocercosoporella herpotrichoides Tapesia yallundae Tapesia yallundae is the causal agent for a variety of cereal and forage grass diseases. The anamorph o f T. yallundae is the W-type strain of Pseudocercosporella herpotrichoides... Tapesia yallundae Tapesia yallundae Tapesia yallundae is the causal agent for a variety of cereal and forage grass diseases. The anamorph o f T. yallundae is the W-type strain of Pseudocercosporella herpotrichoides... [teleomorph] |
| Halo spot | Pseudoseptoria donacis Pseudoseptoria donacis Pseudoseptoria donacis is an ascomycete fungus that is a plant pathogen.- External links :**... Selenophoma donacis |
| Kernel blight = black point | Alternaria Alternaria Alternaria is a genus of ascomycete fungi. Alternaria species are known as major plant pathogens. They are also common allergens in humans, growing indoors and causing hay fever or hypersensitivity reactions that sometimes lead to asthma... spp. Arthrinium arundinis Apiospora montagnei Apiospora montagnei Apiospora montagnei is a plant pathogen that causes kernal blight on barley but is more often seen aa saprophyte or secondary invader of many other plant species.- External links :**... [teleomorph] Cochliobolus sativus Cochliobolus sativus The fungus Cochliobolus sativus is the teleomorph of Bipolaris sorokiniana which is the causal agent of a wide variety of cereal diseases. The pathogen can infect and cause disease on the root , leaf and stem, and head tissue... Fusarium Fusarium Fusarium is a large genus of filamentous fungi widely distributed in soil and in association with plants. Most species are harmless saprobes, and are relatively abundant members of the soil microbial community. Some species produce mycotoxins in cereal crops that can affect human and animal health... spp. |
| Ascochyta leaf spot | Ascochyta hordei Ascochyta hordei Ascochyta hordei is a plant pathogen that causes Ascochyta leaf spot on barley, which can also be caused by the related fungi Ascochyta graminea, Ascochyta sorghi and Ascochyta tritici. It is considered a minor disease.- External links :* *... Ascochyta graminea Ascochyta graminea Ascochyta graminea is a plant pathogen that causes Ascochyta leaf spot on barley which can also be caused by the related fungi Ascochyta hordei, Ascochyta sorghi and Ascochyta tritici. It is considered a minor disease of barley.... Ascochyta sorghi Ascochyta sorghi Ascochyta sorghi is a fungal plant pathogen. It causes Ascochyta leaf spot on barley that can also be caused by the related fungi Ascochyta hordei, Ascochyta graminea and Ascochyta tritici. It is considered a minor disease of barley.- External links :* *... Ascochyta tritici Ascochyta tritici Ascochyta tritici is a fungal plant pathogen that causes Ascochyta leaf spot on barley, wheat and maize.- External links :* *... |
| Net blotch | Drechslera teres Pyrenophora teres Pyrenophora teres is a necrotrophic fungal pathogen of some plant species, the most significant of which are economically important agricultural crops such as barley.- Dispersal and spread :... Pyrenophora teres Pyrenophora teres Pyrenophora teres is a necrotrophic fungal pathogen of some plant species, the most significant of which are economically important agricultural crops such as barley.- Dispersal and spread :... [teleomorph] |
| Net blotch (spot form) | Drechslera teres f. maculata Drechslera teres f. maculata Drechslera teres f. maculata is a plant pathogen.-External links:* *... |
| Powdery mildew | Erysiphe graminis f.sp. hordei Blumeria graminis Blumeria graminis Blumeria graminis is a fungus that causes powdery mildew on grasses, including cereals . It is the only species in the genus Blumeria. It has also been called Erysiphe graminis and Oidium monilioides or Oidium tritici.-Systematics:Previously B... Oidium monilioides [anamorph] |
| Pythium root rot | Pythium Pythium Pythium is a genus of parasitic oomycete. Most species are plant parasites, but Pythium insidiosum is an important pathogen of animals... spp. Pythium arrhenomanes Pythium arrhenomanes Pythium arrhenomanes is a plant pathogen.- External links :* *... Pythium graminicola Pythium graminicola Pythium graminicola is a plant pathogen.- External links :**... Pythium tardicrescens Pythium tardicrescens Pythium tardicrescens is a plant pathogen.- External links :* *... |
| Rhizoctonia 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... Thanatephorus cucumeris [teleomorph] |
| Rusts | |
| Crown rust | Puccinia coronata var. hordei |
| Leaf rust Leaf rust (barley) Leaf rust is a fungal disease of barley caused by Puccinia hordei. It is also known as brown rust and it is the most important rust disease on barley.- Symptoms :... |
Puccinia hordei Puccinia hordei Puccinia hordei is a plant pathogen. It can cause Barley brown rust.- External links :* *... |
| Stem rust | Puccinia graminis f.sp. secalis Puccinia graminis f.sp. tritici |
| Stripe rust = yellow rust Stripe rust (barley) Stripe rust is a fungal disease of barley caused by Puccinia striiformis f. sp. hordei. It was first detected in the United States in 1991, in northern and eastern Idaho in 1993, and in Oregon in 1995... |
Puccinia striiformis f. sp. hordei |
| ... | |
| Scab = head blight | Fusarium Fusarium Fusarium is a large genus of filamentous fungi widely distributed in soil and in association with plants. Most species are harmless saprobes, and are relatively abundant members of the soil microbial community. Some species produce mycotoxins in cereal crops that can affect human and animal health... spp. Fusarium graminearum |
| Scald Scald (barley) Scald is common disease of barley in temperate regions. It is caused by the fungus Rhynchosporium secalis and can cause significant yield losses in cooler, wet seasons.- Symptoms :... |
Rhynchosporium secalis Rhynchosporium secalis Rhynchosporium secalis is an ascomycete fungus that is the causal agent of barley and rye scald.-Morphology:No sexual stage is known. The mycelium is hyaline to light gray and develops sparsely as a compact stroma under the cuticle of the host plant. Condia are borne sessilely on cells of the... |
| Septoria speckled leaf blotch | Septoria passerinii Septoria passerinii Septoria passerinii is a fungal plant pathogen.- External links :* *... Stagonospora avenae f.sp. triticae Stagonospora avenae f.sp. triticae Stagonospora avenae f.sp. triticae is a plant pathogen.-External links:**... |
| Sharp eyespot | Rhizoctonia cerealis Ceratobasidium cereale Ceratobasidium cereale Ceratobasidium cereale is a plant pathogen.- External links :* *... [teleomorph] |
| Smuts | |
| Covered smut Covered smut (barley) Covered smut of barley is caused by the fungus Ustilago hordei. The disease is found worldwide and it is more extensively distributed than either loose smut or false loose smut.- Symptoms :... |
Ustilago hordei |
| False loose smut | Ustilago nigra Ustilago avenae Ustilago avenae Ustilago avenae is a plant pathogen.- External links :* *... |
| Loose smut | Ustilago nuda = Ustilago tritici Ustilago tritici Ustilago tritici is a plant pathogen.- External links :* *... |
| Snow molds | |
| Gray snow mold = Typhula blight Typhula blight Typhula blight is a lawn disease related to the Typhula fungus, usually caused by Typhula incarnata and T. ishikariensis. Snow molds are cold tolerant fungi that require snow cover or prolonged periods of cold, wet conditions... |
Typhula incarnata Typhula incarnata Typhula incarnata is, along with Typhula ishikariensis, the causal agent of Grey Snow Mould , a plant pathogen that can destroy turfgrass when covered for a long perioid with snow. It is a particular problem on golf courses established in unsuitable areas... Typhula ishikariensis Typhula ishikariensis Typhula ishikariensis is, along with Typhula incarnata, the causal agent of Grey Snow Mould , a plant pathogen that can destroy turfgrass when covered for a long perioid with snow. It is a particular problem on golf courses established in unsuitable areas... |
| Pink snow mold = Fusarium patch | Microdochium nivale Fusarium nivale Monographella nivalis [teleomorph] |
| Speckled snow mold | Typhula idahoensis Typhula idahoensis Typhula idahoensis is a plant pathogen.- External links :* *... |
| ... | |
| Snow rot | Pythium iwayamae Pythium iwayamae Pythium iwayamae is a plant pathogen.- External links :**... Pythium okanoganense Pythium okanoganense Pythium okanoganense is a plant pathogen.- External links :**... Pythium paddicum Pythium paddicum Pythium paddicum is a plant pathogen.- External links :* *... |
| Snow scald = Sclerotinia snow mold | Myriosclerotinia borealis Sclerotinia borealis Sclerotinia borealis Sclerotinia borealis is a plant pathogen.- External links :* *... |
| Southern blight | 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] |
| Spot blotch Spot blotch (barley) Spot blotch is a disease of barley caused by Cochliobolus sativus. The disease is found everywhere that barley is grown, but only causes significant yield losses in warm, humid climates.- Symptoms :... |
Cochliobolus sativus Cochliobolus sativus The fungus Cochliobolus sativus is the teleomorph of Bipolaris sorokiniana which is the causal agent of a wide variety of cereal diseases. The pathogen can infect and cause disease on the root , leaf and stem, and head tissue... Drechslera teres Cochliobolus sativus The fungus Cochliobolus sativus is the teleomorph of Bipolaris sorokiniana which is the causal agent of a wide variety of cereal diseases. The pathogen can infect and cause disease on the root , leaf and stem, and head tissue... [anamorph] |
| Stagonospora blotch | Stagonospora avenae f.sp. triticae Stagonospora avenae f.sp. triticae Stagonospora avenae f.sp. triticae is a plant pathogen.-External links:**... Phaeosphaeria avenaria f.sp. triticae Phaeosphaeria avenaria f.sp. triticae Phaeosphaeria avenaria f.sp. triticae is a plant pathogen.-External links:* *... [teleomorph] Stagonospora nodorum Septoria nodorum Phaeosphaeria nodorum Phaeosphaeria nodorum Phaeosphaeria nodorum is a major fungal pathogen of wheat and a member of the Dothideomycetes, a large fungal taxon that includes many important plant pathogens affecting all major crop plant families.... [teleomorph] |
| Take-all Take-all Take-all is a plant disease affecting the roots of cereal plants in temperate climates caused by the fungus Gaeumannomyces graminis var. tritici. All varieties of wheat and barley are susceptible... |
Gaeumannomyces graminis var tritici |
| Tan spot | Pyrenophora tritici-repentis Pyrenophora tritici-repentis Pyrenophora tritici-repentis is a plant pathogen of fungal origin, causing a disease called tan spot or helminthosporiosis, that affects mainly wheat in its more common varieties. It forms characteristic, dark, oval-shaped spots of necrotic tissue surrounded by a yellow ring... Helminthosporium tritici-repentis |
| Verticillium wilt | 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 :* *... |
| Wirrega blotch | Drechslera wirreganensis Drechslera wirreganensis Drechslera wirreganensis is a plant pathogen.- External links :**... |
Nematodes, parasitic
| Nematodes, parasitic |
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|---|---|
| Cereal cyst nematode | Heterodera avenae Heterodera avenae Heterodera avenae, the cereal cyst nematode or Ustinov cyst nematode, is a plant pathogen and an obligate parasite of cereal crops including barley, oats, wheat and rye. Cereal crops infected with this nematode are more prone to infection by fungal diseases such as rhizoctonia root rot. -Life... Heterodera filipjevi Heterodera filipjevi Heterodera filipjevi is a plant pathogenic nematode.- External links :*... Heterodera latipons Heterodera latipons Heterodera latipons is a plant pathogenic nematode.- External links :*... |
| Cereal root knot nematode | Meloidogyne spp. Meloidogyne naasi Meloidogyne naasi Meloidogyne naasi is a plant pathogenic nematode, and also an invasive species.- External links :* *... Meloidogyne artiellia Meloidogyne artiellia Meloidogyne artiellia is a plant pathogenic nematode, and also an invasive species.-References:Franklin, M.T. A British root-knot nematode, Meloidogyne artiellia n.sp. J Helminthol. 1961; Suppl 1961:85-92. No abstract available.-External links:*... Meloidogyne chitwoodi Meloidogyne chitwoodi Meloidogyne chitwoodi is a plant pathogenic Root-knot nematode that is a crop pest of potatoes, carrots, and black salsify. Root-knot nematods such as M. chitwoodi cause the production of root-knot galls when their larvae infect the plant's roots and capture nutrients stored in the roots.2007,... |
| Root gall nematode | Subanguina radicicola Subanguina radicicola Subanguina radicicola is a plant pathogenic nematode.- External links :*... |
| Root lesion nematode | Pratylenchus Pratylenchus Pratylenchus is a genus of plant-parasitic nematodes responsible for root lesions on many plant hosts in temperate regions around the world. Lesion nematodes are migratory endoparasites that enter the host root for feeding and reproduction and move freely through or out of the root tissue. They do... spp. |
| Stunt nematode | Merlinius brevidens Merlinius brevidens Merlinius brevidens is a plant pathogenic nematode.- External links :*... Tylenchorhynchus dubius Tylenchorhynchus dubius Tylenchorhynchus dubius is a plant pathogenic nematode.- External links :*... Tylenchorhynchus maximus Tylenchorhynchus maximus Tylenchorhynchus maximus is a plant pathogenic nematode.- External links :*... |
Virus, viroid and virus-like diseases
| Virus, viroid and virus-like diseases |
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|---|---|
| African cereal streak | African cereal streak virus |
| Barley mild mosaic | genus Bymovirus, Barley mild mosaic bymovirus Barley mild mosaic bymovirus -References:* . . .... (BaMMV) |
| Barley mosaic | Barley mosaic virus Barley mosaic virus Barley mosaic virus is a plant pathogenic virus.-External links:**... |
| Barley stripe mosaic | genus Hordeivirus Hordeivirus The Hordeivirus refers to a genus of a plant virus with currently no assigned family or order. Virus consists of a non-enveloped, helical, rod-shaped capsid. The viral gene is segmented into 4 parts of positive sense, single stranded RNA of about 9000-17400 nucleotides in length.-External links:*... , Barley stripe mosaic virus Barley stripe mosaic virus Barley stripe mosaic virus is a plant pathogenic virus that primarily infects barley in Canada.- Symptoms :Mottling with yellowish spots or stripes may occur, along with stunted growth and late maturation.... (BSMV) |
| Barley yellow dwarf Barley yellow dwarf Barley yellow dwarf is a plant disease caused by the barley yellow dwarf virus, and is the most widely distributed viral disease of cereals. It affects the economically important crop species barley, oats, wheat, maize, triticale and rice.-Biology:... |
genus Luteovirus Luteovirus Luteovirus is one of three genera in the luteoviridae family whose primary hosts are plants. The genera also contains the polerovirus and enamovirus. The geographical distribution of luteovirus is widespread, with the virus primarily infecting plants via transmission by aphid vectors. The virus... , Barley yellow dwarf virus (BYDV) |
| Barley yellow streak mosaic | Barley yellow streak mosaic virus Barley yellow streak mosaic virus Barley yellow streak mosaic virus is a plant pathogenic virus.-External links:**... |
| Barley yellow stripe | virus-like agent |
| Brome mosaic Brome mosaic virus Brome mosaic virus is a small , positive-stranded, icosahedral RNA plant virus belonging to the family Bromoviridae of the alphavirus-like superfamily.... |
genus Bromovirus, Brome mosaic virus (BMV) Brome mosaic virus Brome mosaic virus is a small , positive-stranded, icosahedral RNA plant virus belonging to the family Bromoviridae of the alphavirus-like superfamily.... |
| Cereal northern mosaic = barley yellow striate mosaic | genus Cytorhabdovirus, Northern cereal mosaic virus Northern cereal mosaic virus Northern cereal mosaic virus is a plant pathogenic virus of the family Rhabdoviridae.-External links:**... (NCMV) |
| Cereal tillering | genus Reovirus, Cereal tillering disease virus (CTDV) |
| Chloris striate mosaic | genus Monogeminivirus, Chloris striate mosaic virus Chloris striate mosaic virus Chloris striate mosaic virus is a plant pathogenic virus of the family Geminiviridae.-External links:**... (CSMV) |
| Eastern wheat striate | Eastern wheat striate virus |
| Enanismo | virus like agent |
| Hordeum mosaic | genus Rymovirus, Hordeum mosaic virus Hordeum mosaic virus Hordeum mosaic virus is a pathogenic plant virus. It affects barley crops.-External links:**... (HoMV) |
| Oat blue dwarf | genus Marafivirus, Oat blue dwarf virus Oat blue dwarf virus Oat blue dwarf virus is a plant pathogenic virus of the family Tymoviridae.-External links:**... (OBDV) |
| Oat pseudorosette | genus Tenuivirus Tenuivirus Tenuivirus ls a name of genera of plant viruses. The type member is "Rice Stripe Virus." Other members of this genera include "Maize Stripe Virus," "Rice Hoja Blanca Virus'," and "Iranian Wheat Strip Virus." These plant viruses cause diseases in their host plants... , Oat pseudorosette virus Oat pseudorosette virus Oat pseudorosette virus is a pathogenic plant virus.-External links:**... |
| Oat sterile dwarf | genus Fijivirus Fijivirus -Taxonomy:The genus Fijivirus is a member of the Reoviridae virus family. These have double-stranded RNA genomes and are therefore group III viruses... , Oat sterile dwarf virus Oat sterile dwarf virus Oat sterile dwarf virus is a plant pathogenic virus of the family Reoviridae.-External links:**... (OSDV) |
| Rice black-streaked dwarf | genus Fijivirus Fijivirus -Taxonomy:The genus Fijivirus is a member of the Reoviridae virus family. These have double-stranded RNA genomes and are therefore group III viruses... , Rice black-streaked dwarf virus Rice black-streaked dwarf virus Rice black-streaked dwarf virus is a plant pathogenic virus of the family Reoviridae.-External links:**... (RBSDV) |
| Rice stripe | genus Tenuivirus Tenuivirus Tenuivirus ls a name of genera of plant viruses. The type member is "Rice Stripe Virus." Other members of this genera include "Maize Stripe Virus," "Rice Hoja Blanca Virus'," and "Iranian Wheat Strip Virus." These plant viruses cause diseases in their host plants... , Rice stripe virus Rice stripe virus Rice stripe virus is a plant pathogenic virus of the genus Tenuivirus.-External links:**... (RSV) |
| Russian winter wheat mosaic | Winter wheat Russian mosaic virus Winter wheat Russian mosaic virus Winter wheat Russian mosaic virus is a plant pathogenic virus of the family Rhabdoviridae.-External links:**... (WWRMV) |
| Wheat dwarf | genus Monogeminivirus, Wheat dwarf virus Wheat dwarf virus Wheat dwarf virus is a plant pathogenic virus of the family Geminiviridae. The two isolates of this virus effect both what and barley. It is spread by the leafhopper Psammotettix alienus.-External links:**... (WDV) |
| Wheat soil-borne mosaic | genus Furovirus Furovirus The Furovirus genus consists of rod shaped viruses enclosing bipartite , single-stranded, positive-sense RNA genomes. The type species of the genus is the soil borne wheat mosaic virus or SBWMV. These viruses infect plants of the grass family as well as fungi, infecting fungal vectors of the... , Wheat soil-borne mosaic virus Wheat soil-borne mosaic virus Soil-borne wheat mosaic virus is a plant pathogenic virus vectored by plasmodiophorid Polymyxa graminis.-External links:**... (SBWMV) |
| Wheat streak mosaic | genus Ryemovirus, Wheat streak mosaic virus Wheat streak mosaic virus Wheat streak mosaic virus is a plant pathogenic virus of the family Potyviridae.-External links:**... (WSMV) |
| Wheat yellow leaf | genus Closterovirus Closterovirus Closterovirus, also known as beet yellows viral group, is a plant-infecting viral genus included in family Closteroviridae. This genus has a probably worldwide distribution and includes among other viral species the Beet yellows virus and the tentatively assigned Citrus tristeza virus, rather... , Wheat yellow leaf virus Wheat yellow leaf virus Wheat yellow leaf virus is a wheat , barley , rye , and oat pathogenic virus of the family Closteroviridae. WYLV virions are 1600-1850 nm in length and 10 nm in diameter. The virus, like other members of its genus, is transmitted by aphids... (WYLV) |
Phytoplasma diseases
| Mycoplasmal diseases |
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|---|---|
| Aster yellows | Aster yellows phytoplasma |
Miscellaneous diseases and disorders
| Miscellaneous diseases and disorders |
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|---|---|
| Physiological leaf spot | Unknown |