Bacterial diseases

Bacterial diseases
Bacterial streak (black chaff)	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
Halo blight	Pseudomonas coronafaciens Pseudomonas coronafaciens Pseudomonas coronafaciens is a Gram-negative bacterium that is pathogenic to several plant species. Following ribotypical analysis several pathovars of Pseudomonas syringae were incorporated into this species.-Pathogenesis:... pv. coronafaciens

Fungal diseases

{| class="wikitable" style="clear"
! colspan=2| Fungal diseases

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|Anthracnose ||Colletotrichum graminicola

Glomerella graminicola

Glomerella graminicola is a fungus which causes anthracnose many cereal species including maize and wheat.- Identification :Stromata* 70-300 μm in diameter...

Glomerella graminicola

Glomerella graminicola

Glomerella graminicola is a fungus which causes anthracnose many cereal species including maize and wheat.- Identification :Stromata* 70-300 μm in diameter...

[teleomorph]
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|Black head molds ||
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.

Cladosporium herbarum

Cladosporium herbarum

Cladosporium herbarum is a fungal plant pathogen. Its hosts include Bryum, Buxbaumia, Gyroweissia, Tortula, and Dicranella.- External links :**...

Mycosphaerella tassiana [teleomorph]

Epicoccum spp.

Sporobolomyces spp.

Stemphylium spp.
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|Black point||
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...

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...

[teleomorph]

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.
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|Bunt (stinking smut)||
Tilletia caries

Tilletia caries

Tilletia caries is a plant pathogen that infects wheat causing the disease bunt. Plants infected with the disease are often slightly stunted, occasionally with yellow streaks on the flag leaf. Grain is replaced with bunt balls containing masses of black spores. At ripening, the ears take longer to...

Cephalosporium gramineum
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|Common root rot and seedling blight||
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...

Helminthosporium sativum

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...

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...

[teleomorph]
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|Cottony snow mold (winter crown rot)||
Coprinus psychromorbidus
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|Dilophospora leaf spot (twist)||
Dilophospora alopecuri

Dilophospora alopecuri

Dilophospora alopecuri is a plant pathogen.- External links :**...

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|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...

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|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...

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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]
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|Fusarium root rot||
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...

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|Halo spot||
Pseudoseptoria donacis

Pseudoseptoria donacis

Pseudoseptoria donacis is an ascomycete fungus that is a plant pathogen.- External links :**...

Tilletia indica
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|Leaf rust (brown rust)||
Puccinia recondita

Puccinia recondita

Puccinia recondita is a plant pathogen.- External links :* *...

Aecidium clematidis [anamorph]
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|Leaf streak||
Cercosporidium graminis
Scolicotrichum graminis
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|Leptosphaeria leaf spot||
Phaeosphaeria herpotrichoides

Phaeosphaeria herpotrichoides

Phaeosphaeria herpotrichoides is a plant pathogen.- External links :* *...

Leptosphaeria herpotrichoides
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|Loose smut||
Ustilago tritici

Ustilago tritici

Ustilago tritici is a plant pathogen.- External links :* *...

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|Pink snow mold (Fusarium patch)||
Microdochium nivale
Fusarium nivale

Monographella nivalis [teleomorph]
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|Powdery mildew||
Erysiphe graminis
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|Pythium root rot||
Pythium aphanidermatum

Pythium aphanidermatum

Pythium aphanidermatum is a plant pathogen.- External links :**...

Pythium arrhenomanes

Pythium arrhenomanes

Pythium arrhenomanes is a plant pathogen.- External links :* *...

Pythium debaryanum

Pythium debaryanum

Pythium debaryanum is a plant pathogen.- External links :**...

Pythium graminicola

Pythium graminicola

Pythium graminicola is a plant pathogen.- External links :**...

Pythium ultimum

Pythium ultimum

Pythium ultimum is a plant pathogen.- External links :***...

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|Scab||
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...

Fusarium graminearum [anamorph]
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|Septoria leaf blotch||
Septoria secalis

Septoria secalis

Septoria secalis is a fungal plant pathogen.- External links :* *...

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|Septoria tritici blotch (speckled leaf blotch)||
Septoria tritici

Septoria tritici

Septoria tritici is the causal agent of S. tritici leaf blotch, a foliar disease of wheat, and occasionally infects other grasses including barley...

Mycosphaerella graminicola

Mycosphaerella graminicola

Mycosphaerella graminicola is a wheat plant pathogen that is difficult to control due to resistance to multiple fungicides.-External links:* *...

[teleomorph]
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|Sharp eyespot and Rhizoctonia root rot||
Rhizoctonia cerealis

Ceratobasidium cereale

Ceratobasidium cereale

Ceratobasidium cereale is a plant pathogen.- External links :* *...

[teleomorph]
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|Snow scald (Sclerotinia snow mold)||
Myriosclerotinia borealis
Sclerotinia borealis

Sclerotinia borealis

Sclerotinia borealis is a plant pathogen.- External links :* *...

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|Speckled (or 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 idahoensis

Typhula idahoensis

Typhula idahoensis is a plant pathogen.- External links :* *...

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...

Typhula ishikariensis var. canadensis

Typhula ishikariensis var. canadensis

Typhula ishikariensis var. canadensis is a plant pathogen.-External links:**...

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|Spot blotch||
Bipolaris sorokiniana
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|Stagonospora blotch (glume blotch)||
Stagonospora nodorum
Leptosphaeria nodorum
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|Stalk smut (stripe smut)||
Urocystis occulta

Urocystis occulta

Urocystis occulta is a smut fungus which attacks the leaves and stalks of rye . It is found in Australia, Europe, and North America. The fungus was first described by German botanist Karl Friedrich Wilhelm Wallroth under the name Erysiphe occulta in 1833....

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|Stem rust||
Puccinia graminis
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|Storage molds||
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.

Aspergillus

Aspergillus

Aspergillus is a genus consisting of several hundred mold species found in various climates worldwide. Aspergillus was first catalogued in 1729 by the Italian priest and biologist Pier Antonio Micheli...

spp.

Epicoccum spp.

Nigrospora spp.

Penicillium

Penicillium

Penicillium is a genus of ascomycetous fungi of major importance in the natural environment as well as food and drug production. Members of the genus produce penicillin, a molecule that is used as an antibiotic, which kills or stops the growth of certain kinds of bacteria inside the body...

spp.

Rhizopus

Rhizopus

Rhizopus is a genus of common saprobic fungi on plants and specialized parasites on animals. They are found on a wide variety of organic substrates, including "mature fruits and vegetables", faeces, jellies, syrups, leather, bread, peanuts and tobacco. Some Rhizopus species are opportunistic agents...

spp.
|-
|Strawbreaker (eyespot or foot rot)||
Pseudocercosporella herpotrichoides

Tapesia acuformis

Tapesia acuformis is the causal agent for a variety of cereal and forage grass diseases. The anamorph of T. acuformis was formerly known as the R-type strain of Pseudocercosporella herpotrichoides. The W-type strain of Pseudocercosporella herpotrichoides is now known as Tapesia yallundae....

Tapesia acuformis

Tapesia acuformis

Tapesia acuformis is the causal agent for a variety of cereal and forage grass diseases. The anamorph of T. acuformis was formerly known as the R-type strain of Pseudocercosporella herpotrichoides. The W-type strain of Pseudocercosporella herpotrichoides is now known as Tapesia yallundae....

[teleomorph]
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|Stripe rust (yellow rust)||
Puccinia striiformis

Uredo glumarum [anamorph]
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|Take-all||
Gaeumannomyces graminis
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|Tan spot (yellow leaf 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...

Drechslera tritici-repentis [anamorph]

Nematodes, parasitic

{| class="wikitable" style="clear"
! colspan=2| Nematodes, parasitic

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|Cereal cyst||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...

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|Leaf and 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:...

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|Root gall||Subanguina radicicola

Subanguina radicicola

Subanguina radicicola is a plant pathogenic nematode.- External links :*...

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|Root knot||Meloidogyne spp.
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|Seed gall||Anguina tritici

Anguina tritici

Anguina tritici is a plant pathogenic nematode.- History and significance :Anguina tritici was the first plant parasitic nematode to be described in the...

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Viral diseases

{| class="wikitable" style="clear"
! colspan=2| Viral diseases

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|Barley yellow dwarf||Barley yellow dwarf virus
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|Soilborne mosaic||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:**...

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|Wheat streak mosaic||Wheat streak mosaic virus

Wheat streak mosaic virus

Wheat streak mosaic virus is a plant pathogenic virus of the family Potyviridae.-External links:**...

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