For retrieving pathogen names, please use search button on your browser.
Diseases caused by Virus
Alfalfa mosaic virus (AMV) in alfalfa
Alfalfa mosaic virus (AMV) in red clover
Alfalfa mosaic virus (AMV) in crimson clover
Barley yellow mosaic virus (BYMV) in oat
Bean yellow mosaic virus (BYMV) in red clover
Bean yellow mosaic virus (BYMV) in white clover
Bean yellow mosaic virus (BYMV) in crimson clover
Bean yellow mosaic virus (BYMV) in alsike clover
Cocksfoot mottle virus (CfMV) in orchardgrass
Cucumber mosaic virus (CMV) in corn
Cucumber mosaic virus(CMV) in red clover
Cucumber mosaic virus (CMV) in alsike clover
Maize dwarf mosaic virus (MDMV) in corn
Rice black-streaked dwarf virus (RBsDV) in corn
Sugarcane mosaic virus (ScMV) in corn
Sugarcane mosaic virus (ScMV) in sorghum
Sugarcane mosaic virus (ScMV) in African millet
Wheat yellow leaf virus (WYLV) in oat
White clover mosaic virus(WCMV) in red clover
White clover mosaic virus (WCMV) in white clover
White clover mosaic virus (WCMV) in crimson clover
virus (unidentified) in white clover
Virus? in Japanese lawn grass
Diseases caused by PLO
Phytoplasma (PLO) in red clover
Phytoplasma (PLO) in alsike clover
Diseases caused by Bacteria
Acidovorax avenae
in corn
Acidovorax avenae
in teosint
Acidovorax avenae
in paspalum
Acidovorax avenae
in African millet
Burkholderia andropogonis
in corn
Burkholderia andropogonis
in sorghum
Erwinia chrysanthemi
pv.
zeae
in corn
Pseudomonas marginalis
in corn
Pseudomonas syringae
pv.
atropurpurea
in ryegrass
Pseudomonas syringae
pv.
atropurpurea
in fescue
Pseudomonas syringae
pv.
atropurpurea
in bromegrass
Pseudomonas syringae
pv.
coronafaciens
in oat
Pseudomonas syringae
pv.
coronafaciens
in rye
Pseudomonas syringae
pv.
striafaciens
in oat
Xanthomonas campestris
pv.
alfalfae
in alfalfa
Diseases caused by Mastigomycotina
Olpidium trifolii
in white clover
Peronospora trifoliorum
in alfalfa
Physoderma maydis
in corn
Physoderma maydis
in teosint
Phytophthora medicaginis
in trefoil
Pythium aphanidermatum
in corn
Pythium graminicola
in corn
Pythium spinosum
(ryegrass)
Pythium sylvaticum
(ryegrass)
Pythium vanterpoolii
(ryegrass)
Pythium
spp. in corn
Sclerophthora macrospora
in corn
Sclerophthora macrospora
in sorghum
Sclerophthora rayssiae
var.
zeae
in corn
Sclerophthora rayssiae
in Southern crab-grass
Sclerophthora?
sp. in orchardgrass
Sclerospora sorghi
in sorghum
Diseases caused by Ascomycotina
Blumeria graminis
f.sp.
dactylidis
in orchardgrass
Blumeria graminis
in ryegrass
Blumeria graminis
f.sp.
poae
in bluegrass
Blumeria graminis
f.sp.
secalis
in rye
Claviceps africana
in sorghum
Claviceps panicoidearum
in Euly
Claviceps paspali
in paspalum
Claviceps purpurea
in rye
Claviceps purpurea
in orchardgrass
Claviceps purpurea
in ryegrass
Claviceps purpurea
in fescue
Claviceps purpurea
in timothy
Claviceps purpurea
in reed canarygrass
Claviceps sorghicola
in sorghum
Cochliobolus bicolor
in African millet
Cochliobolus carbonum
in corn
Cochliobolus chrolidis
in rhodesgrass
Cochliobolus cynodontis
in bermudagrass
Cochliobolus heterostrophus
in corn
Cochliobolus heterostrophus
in teosint
Cochliobolus heveicola
in Japanese lawn grass
Cochliobolus heveicola
in bermudagrass
Cochliobolus miyabeanus
in Ashi-kaki
Cochliobolus nodulosus
in African millet
Cochliobolus nodulosus
in Goosegrass
Cochliobolus peregianensis
in bermudagrass
Cochliobolus sativus
in rye
Cochliobolus sativus
in orchardgrass
Cochliobolus sativus
in ryegrass
Cochliobolus sativus
in fescue
Cochliobolus sativus
in bromegrass
Cochliobolus sativus
in velvetgrass
Cochliobolus sativus
in bentgrass
Cochliobolus setariae
in foxtail millet
Cochliobolus setariae
in Green bristlegrass
Cymadothea trifolii
in red clover
Cymadothea trifolii
in white clover
Cymadothea trifolii
in alsike clover
Dilophospora alopecuri
in orchardgrass
Elsinoe
sp.? in centipedograss
Epichloe typhina
in timothy
Epichloe
sp. in bluegrass
Erysiphe pisi
in crimson clover
Gibberella fujikuroi
in corn
Gibberella zeae
in corn (Gibberella ear rot)
Gibberella zeae
in corn (Seed rot and damping-off)
Gibberella zeae
in ryegrass
Gibberella zeae
in fescue
Gibberella
sp. in sorghum
Gibberella
sp. in paspalum
Glomerella cingulata
in broadleaf dock
Leptosphaeria pratensis
in white clover
Leptosphaerulina briosiana
in alfalfa
Leptosphaerulina trifolii
in red clover
Leptosphaerulina trifolii
in white clover
Leptosphaerulina trifolii
in alsike clover
Leptosphaerulina trifolii
in strawberry clover
Leptosphaerulina trifolii
in sweet clover
Leptotrochila trifolii
in red clover
Leptotrochila trifolii
in white clover
Magnaporthe grisea
in corn
Magnaporthe grisea
in ryegrass
Magnaporthe grisea
in fescue
Magnaporthe grisea
in African millet
Microsphaera astragali
in Chinese milk vetch
Microsphaera trifolii
in red clover
Microsphaera trifolii
in white clover
Monographella nivalis
in rye
Monographella nivalis
in ryegrass
Monographella nivalis
in fescue
Myriosclerotinia borealis
in orchardgrass
Myriosclerotinia borealis
in ryegrass
Myriosclerotinia borealis
in timothy
Phyllachora graminis
in bluegrass
Phyllachora graminis
in drooping wheatgrass
Phyllachora
sp. in African millet
Pleospora herbarum
in alfalfa
Pleospora herbarum
in red clover
Pseudocochliobolus australiensis
in rhodesgrass
Pseudocochliobolus nisikadoi
in Job's tear
Pseudocochliobolus nisikadoi
in adley
Pseudocochliobolus verruculosus
in rhodesgrass
Pseudopeziza jonesii
in alfalfa
Pseudopeziza medicaginis
in alfalfa
Pseudopeziza trifolii
in red clover
Pseudopeziza trifolii
in white clover
Pyrenophora bromi
in bromegrass
Pyrenophora chaetomioides
in oat
Pyrenophora dictyoides
in fescue
Pyrenophora erythrospila
in redtop
Sclerotinia homoeocarpa
in bentgrass
Sclerotinia trifoliorum
in alfalfa
Sclerotinia trifoliorum
in red clover
Sclerotinia trifoliorum
in white clover
Sclerotinia trifoliorum
in crimson clover
Sclerotinia trifoliorum
in alsike clover
Setosphaeria turcica
in corn
Setosphaeria turcica
in sorghum
Diseases caused by Basidiomycotina
Corticium rolfsii
in ryegrass
Corticium rolfsii
in alfalfa
Corticium rolfsii
in white clover
Helicobasidium mompa
in alfalfa
Lepista subnuda
in bluegrass
Puccinia brachypodii
var.
poae-nemoralis
in bluegrass
Puccinia cesatii
in bluestem
Puccinia coronata
in oat
Puccinia coronata
in bentgrass
Puccinia coronata
var.
coronata
in ryegrass
Puccinia coronata
var.
coronata
in fescue
Puccinia coronata
var.
coronata
in redtop
Puccinia coronata
var.
coronata
in reed canarygrass
Puccinia coronata
var.
coronata
in velvetgrass
Puccinia cynodontis
in bermudagrass
Puccinia extensicola
in Golden rod
Puccinia graminis
f.sp.
dactylidis
in orchardgrass
Puccinia graminis
f.sp.
lolii
in ryegrass
Puccinia graminis
f.sp.
phlei-pratensis
in timothy
Puccinia graminis
subsp.
graminicola
in fescue
Puccinia graminis
subsp.
graminicola
in bluegrass
Puccinia magnusiana
in Buttercup
Puccinia miscanthi
in Euly
Puccinia miscanthi
in Plantain
Puccinia oahuensis
in Southern crab-grass
Puccinia phragmitis
Knotweed
Puccinia polysora
in corn
Puccinia purpurea
in sorghum
Puccinia recondita
in rye
Puccinia sorghi
in corn
Puccinia striiformis
f.sp.
poae
in timothy
Puccinia striiformis
f.sp.
poae
in bluegrass
Puccinia striiformoides
in orchardgrass
Puccinia tanaceti
var.
tanaceti
in Mugwort
Puccinia zoysiae
in Japanese lawn grass
Sphacelotheca pamparum
in Chikara-shiba
Sphacelotheca sorghi
in sorghum
Sporisorium reilianum
in sorghum
Typhula incarnata
in rye
Typhula incarnata
in orchardgrass
Typhula incarnata
in ryegrass
Typhula incarnata
in fescue
Typhula incarnata
in timothy
Typhula incarnata
in reed canarygrass
Typhula incarnata
in bromegrass
Typhula incarnata
in bentgrass
Typhula ishikariensis
in orchardgrass
Typhula ishikariensis
in ryegrass
Typhula ishikariensis
in fescue
Typhula ishikariensis
in timothy
Typhula ishikariensis
in bentgrass
Typhula ishikariensis
in alfalfa
Typhula ishikariensis
in red clover
Uromyces commelinae
in Asiatic dayflower
Uromyces coronatus
in vegetable wild rice
Uromyces dactylidis
var.
dactylidis
in orchardgrass
Uromyces dactylidis
var.
poae
in Orange fox-tail
Uromyces fallens
in red clover
Uromyces flectens
in white clover
Uromyces hybridi
in alsike clover
Uromyces lespedezae-procumbentis
var.
lespedezae-procumbentis
in Bushclover
Uromyces striatus
in alfalfa
Uromyces trifolii-repentis
in white clover
Ustilago affinis
in St. Augustine grass
Ustilago avenae
in oat
Ustilago avenae
in tall oatgrass
Ustilago avenae
in bromegrass
Ustilago crus-galli
in barnyard millet
Ustilago cynodontis
in bermudagrass
Ustilago maydis
in corn
Ustilago striiformis
in orchardgrass
Ustilago striiformis
in timothy
Ustilago striiformis
in redtop
Ustilago striiformis
in bluegrass
Ustilago
? sp. in fall panicum
Diseases caused by Imperfect fungi
Ascochyta desmazieri
in ryegrass
Ascochyta punctata
in hairy vetch
Ascochyta sorghi
in sorghum
Bipolaris brizae
in Big quaking-grass
Bipolaris panici-miliacei
in paragrass
Bipolaris ravenelii
in Smutgrass
Bipolaris sacchari
in pearl millet and napiergrass
Bipolaris sacchari
? in Chikara-shiba
Bipolaris sorghicola
in sorghum
Bipolaris
sp. in sorghum
Bipolaris
sp. in African millet
Bipolaris
sp. in guineagrass
Bipolaris
sp. in Ashi-boso
Bipolaris
sp. in Kaze-kusa
Botrytis cinerea
in alfalfa
Botrytis cinerea
in hairy vetch
Cercospora fujimaculans
in barnyard millet
Cercospora zebrina
in red clover
Cercospora zebrina
in white clover
Cercospora zebrina
in crimson clover
Cercospora zebrina
in alsike clover
Cercospora zebrina
in subterranean clover
Cheilaria agrostis
in redtop
Cladosporium astragali
in Chinese milk vetch
Cladosporium phlei
in timothy
Colletotrichum caudatum
in centipede grass
Colletotrichum caudatum
in Zoysia grass
Colletotrichum echinochloae
in barnyard millet
Colletotrichum graminicola
in corn
Colletotrichum graminicola
in oat
Colletotrichum graminicola
in orchardgrass
Colletotrichum graminicola
in ryegrass
Colletotrichum graminicola
in fescue
Colletotrichum graminicola
in redtop
Colletotrichum graminicola
in velvetgrass
Colletotrichum graminicola
in paspalum
Colletotrichum graminicola
in carpetgrass
Colletotrichum graminicola
? in Goosegrass
Colletotrichum sublineolum
in sorghum
Colletotrichum trifolii
in alfalfa
Colletotrichum trifolii
in red clover
Colletotrichum trifolii
in subterranean clover
Curvularia cymbopogonis
in bluestem
Curvularia intermedia
in sorghum
Curvularia lunata
in sorghum
Curvularia trifolii
in red clover
Curvularia trifolii
in white clover
Curvularia trifolii
in subterranean clover
Curvularia
sp. in African millet
Cylindrocladium floridanum
in alfalfa
Dactuliophora harrisii
in sorghum
Drechslera andersenii
in ryegrass
Drechslera catenaria
in bentgrass
Drechslera catenaria
in American sloughgrass
Drechslera dactylidis
in orchardgrass
Drechslera erythrospila
in bentgrass
Drechslera gigantea
in Japanese lawn grass
Drechslera noblea
in ryegrass
Drechslera noblea
in fescue
Drechslera noblea
in velvetgrass
Drechslera phlei
in timothy
Drechslera poae
in bluegrass
Drechslera siccans
in ryegrass
Drechslera
sp. in oat
Drechslera
sp. in bentgrass
Ephelis japonica
in paspalum
Ephelis japonica
in Paragrass
Ephelis japonica
in Pangola grass
Ephelis japonica
in Giant-star-grass
Ephelis japonica
in Bermudagrass
Ephelis japonica
in Kaze-kusa
Ephelis japonica
in Ito-azegaya
Ephelis japonica
in Violet crab-grass
Ephelis japonica
in Barnyard grass
Ephelis japonica
in Chikara-shiba
Ephelis japonica
in Cogon grass
Ephelis japonica
in Shima-hige-shiba
Epicoccum nigrum
in corn
Exserohilum frumenraci
in teff grass
Exserohilum monoceras
in barnyard millet
Exserohilum monoceras
in barnyard grass
Exserohilum rostratum
in bluepanic
Exserohilum rostratum
in switchgrass
Exserohilum
sp. in Smutgrass
Exserohilum
sp. in Chijimi-zasa
Fusarium oxysporum
f.sp.
medicaginis
in alfalfa
Fusarium verticillioides
in corn
Gloeocercospora sorghi
in corn
Gloeocercospora sorghi
in sorghum
Gloeocercospora sorghi
in orchardgrass
Gloeocercospora sorghi
in timothy
Gloeocercospora sorghi
? in St.Augustine grass
Kabatiella caulivora
in red clover
Kabatiella caulivora
in crimson clover
Kabatiella sorghi
in sorghum
Kabatiella zeae
in corn
Macrophomina phaseolina
in corn
Mastigosporium rubricosum
in orchardgrass
Mastigosporium rubricosum
in redtop
Neotyphodium typhina
in fescue
Neotyphodium typhina
in drooping wheatgrass
Ovularia pussila
in timothy
Penicillium
sp. in corn (Blue mold kernel rot)
Penicillium
spp. in corn (Seed rot and damping-off)
Phoma medicaginis
var.
medicaginis
in alfalfa
Pseudoseptoria stomaticola
in orchardgrass
Pseudoseptoria stomaticola
in timothy
Pseudoseptoria stomaticola
in velvetgras
Pyricularia grisea
in reed canarygrass
Pyricularia grisea
in guineagrass
Pyricularia panici
in millet
Pyricularia setariae
in foxtail millet
Pyricularia
sp. in sweet vernalgrass
Pyricularia
sp. in lovegras
Pyricularia
sp. in kikuyugrass
Pyricularia
sp. in fall panicum
Pyricularia
sp. in greenpanic
Rhizoctonia cerealis
(AG-D) in ryegrass
Rhizoctonia cerealis
(AG-D) in Japanese lawn grass
Rhizoctonia leguminicola
in red clover
Rhizoctonia leguminicola
in crimson clover
Rhizoctonia leguminicola
in strawberry clover
Rhizoctonia solani
AG-1 IA in corn
Rhizoctonia solani
AG-1 IA in sorghum
Rhizoctonia solani
AG-1 IB, IA in orchardgrass
Rhizoctonia solani
AG-1 IB, IA in ryegrass
Rhizoctonia solani
AG-1 IB, IA in fescue
Rhizoctonia solani
AG-1 IB, IA in timothy
Rhizoctonia solani
AG-1 IB IA in bromegrass
Rhizoctonia solani
AG-1 in guineagrass
Rhizoctonia solani
AG-1 IB, IA in alfalfa
Rhizoctonia solani
AG-1 IB, IA in red clover
Rhizoctonia solani
AG-1 in reed canarygrass
Rhizoctonia solani
AG-1 in rhodesgrass
Rhizoctonia solani
AG-1 in paspalum
Rhizoctonia solani
Kuhn AG-1 in St.Augustine grass
Rhizoctonia solani
AG-2-2 in corn
Rhizoctonia solani
AG-2-2 IIIB, AG-1 IB, IA in bluegrass
Rhizoctonia solani
AG-2-2 III B, AG-1 IB in bentgrass
Rhizoctonia solani
AG-2-2 LP in Japanese lawn grass
Rhizoctonia solani
in pearl millet
Rhizoctonia solani
in oat
Rhizoctonia solani
in fall panicum
Rhizoctonia solani
in African millet
Rhizoctonia solani
in barnyard millet
Rhizoctonia solani
in Cogon grass
Rhizoctonia
sp. in greenpanic
Rhizoctonia
? sp. in paspalum
Rhizoctonia
? sp. in Japanese lawn grass
Rhizoctonia
? sp. in Greek grass
Rhynchosporina meinersii
in timothy
Rhynchosporium orthosporum
in orchardgrass
Rhynchosporium secalis
in ryegrass
Rhynchosporium secalis
f.sp.
phalaridis
in reed canarygrass
Sclerotium rhizoides
in reed canarygrass
Scolecotrichum graminis
in orchardgrass
Scolecotrichum graminis
in timothy
Scolecotrichum graminis
in tall oatgrass
Septoria tenella
in fescue
Spermospora avenae
in tall oatgrass
Sphacelia sorghi
in sorghum
Stagonospora arenaria
in orchardgrass
Stagonospora foliicola
in reed canarygrass
Stagonospora maculata
in orchardgrass
Stagonospora recedens
in white clover
Stemphylium astragali
in Chinese milk vetch
Stemphylium loti
in trefoil
Stemphylium sarcinaeforme
in red clover
Stemphylium sarcinaeforme
in crimson clover
Stemphylium trifolii
in white clover
Tuberculina nomuriana
in Chinese milk vetch
Verticillium albo-atrum
in alfalfa
Diseases caused by Unknown fungus
Unknown fungus in ryegrass
Unknown fungus in white clover
Insect damage
Cicadulina bipunctata
in corn
Aceria zoysiae
in Japanese lawn grass