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Diseases - Foliage Diseases

5,045 Images of 457 Subjects View Subject List View Image Details View Thumbnails

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Subject Scientific Name Images
Aggregate sheath spot Ceratobasidium setariae 1
alfalfa leaf spot Pseudopeziza medicaginis 3
algal leaf spot Cephaleuros virescens 52
Alternaria blight Alternaria dauci 1
Alternaria blight Alternaria dianthicola 13
Alternaria blight Alternaria panax 16
Alternaria blight Alternaria tenuissima 6
Alternaria blotch of apple Alternaria mali 1
Alternaria leaf blight Alternaria cucumerina 14
Alternaria leaf spot Alternaria padwickii 4
angular leaf spot of cotton Xanthomonas campestris pv. malvacearum 3
angular leaf spot of strawberry Xanthomonas fragariae 10
anthracnose Apiognomonia quercina 2
anthracnose Apiognomonia spp. 5
anthracnose Colletotrichum acutatum 9
anthracnose Colletotrichum coccodes 2
anthracnose Colletotrichum dematium 4
anthracnose Colletotrichum fragariae 1
anthracnose Colletotrichum graminicola 20
anthracnose Colletotrichum higginsianum 1
anthracnose Colletotrichum nicotianae 2
anthracnose Colletotrichum orbiculare 40
anthracnose Colletotrichum spp. 96
anthracnose Colletotrichum trifolii 1
anthracnose Colletotrichum truncatum 12
anthracnose Elsinoe veneta 1
anthracnose Gnomonia spp. 2
anthracnose Monostichella spp. 4
anthracnose Polystigma fulvum 2
Anthracnose, pink boll rot or seedling blight of cotton Colletotrichum gossypii 1
apple scab Venturia inaequalis 49
apricot chlorotic leafroll Phytoplasma 3
Arabis Mosaic Virus Nepovirus ArMV 12
Ascochyta blight of cotton Ascochyta gossypii 6
Ascochyta fungi Ascochyta spp. 21
ash anthracnose Gnomoniella fraxini 10
ash leaf spot Mycosphaerella fraxinicola 1
ash rusts Puccinia sparganioides 4
aster yellows phytoplasma Phytoplasma 42
avocado scab Sphaceloma perseae 4
bacterial leaf blight of rice Xanthomonas oryzae pv. oryzae 5
bacterial leaf streak Xanthomonas oryzae pv. oryzicola 4
bacterial spot of tomato and pepper Xanthomonas campestris pv. vesicatoria 63
bamboo rust Puccinia phyllostachydis 11
barley leaf stripe Pyrenophora graminea 1
barley scald Rhynchosporium secalis 5
Barley Stripe Mosaic Virus Hordeivirus BSMV 2
bean angular leaf spot Phaeoisariopsis griseola 17
bean anthracnose Colletotrichum lindemuthianum 36
bean rust Uromyces phaseoli var. typica 1
Beet Curly Top Virus Hybrigeminivirus BCTV 20
Beet Leaf Curl Virus Rhabdovirus BLCV 3
birch rust Melampsoridium betulinum 4
black Sigatoka disease Mycosphaerella fijiensis 7
black spot Alternaria brassicicola 6
black spot Diplocarpon rosae 47
black spot (leaf, stem, or pod spots) Alternaria spp. 61
black spot of elm Stegophora ulmea 4
black spot of Japanese pear Alternaria kikuchiana 1
black spot of papaya Asperisporium caricae 6
blue mold Peronospora tabacina 47
Blumeriella leaf spot of cherry and plum Blumeriella jaapii 2
Botryotinia blight Botryotinia fuckeliana 1
Botrytis leaf blight Botrytis squamosa 1
bronze leaf disease Apioplagiostoma populi 24
bronze leaf disease Apioplagiostoma spp. 1
brown felt blight Herpotrichia juniperi 9
brown felt blight of pines Neopeckia coulteri 6
Brown needle blight of pine Mycosphaerella gibsonii 1
brown rust Puccinia tanaceti 13
brown spot Alternaria alternata 25
brown spot needle blight of pine Mycosphaerella dearnessii 62
brown spot of corn Physoderma maydis 4
brown spot of rice Cochliobolus miyabeanus 10
camellia leaf gall Exobasidium camelliae 3
canker and die back of Siberian Elm Tubercularia ulmea 5
carrot leaf blight Cercospora carotae 1
Cercospora leaf spot Cercospora arachidicola 3
Cercospora leaf spot Cercospora beticola 7
Cercospora leaf spot Cercospora capsici 3
Cercospora leaf spot Cercospora fici 4
Cercospora leaf spot Cercospora fusimaculans 3
Cercospora leaf spot Cercospora handelii 3
Cercospora leaf spot Cercospora liquidambaris 1
Cercospora leaf spot Cercospora nandinae 5
Cercospora leaf spot Cercospora zeae-maydis 5
Cercospora leaf spot of rose Cercospora rosicola 8
Cercosporella leaf spot Cercosporella mori 1
Cercosporella leaf spot Cercosporella rubi 3
Cercosporella leaf spots Cercosporella spp. 6
Chaetoseptoria leaf spot Chaetoseptoria wellmanii 3
cherry leaf spot Blumeria jaapii 2
Cherry Little Cherry Virus 3
Cherry Necrotic Rusty Mottle Virus Foveavirus CNRMV 1
Cherry Rasp Leaf Virus Nepovirus CRLV 7
cherry-spruce rust Pucciniastrum areolatum 16
Chrysanthemum Stunt Viroid Pospiviroid CSVd 4
chrysanthemum white rust Puccinia horiana 24
Chrysomyxa rust of spruce Chrysomyxa ledi 3
citrus black spot Guignardia citricarpa 5
citrus blight disease 11
citrus canker Xanthomonas axonopodis pv. citri 193
citrus greening Candidatus Liberibacter asiaticus 52
Citrus Leprosis Virus Unassigned Rhabdovirus CiLV 8
Citrus Tatter Leaf Virus Capillovirus CTLV 3
clover leaf spot Pseudopeziza trifolii 1
Cochliobolus leaf spot Bipolaris sorokiniana 2
Cochliobolus leaf spot / black kernel Cochliobolus lunatus 7
coffee leaf rust Hemileia vastatrix 6
common corn rust Puccinia sorghi 4
common snow mold Phacidium infestans 4
crown rust Puccinia coronata 9
Cucurbit Yellow Stunting Disorder Virus Crinivirus CYSDV 1
Curvularia fungus Curvularia trifolii 2
Cyclaneusma needle cast Cyclaneusma minus 8
Cylindrocladium black rot Cylindrocladium parasiticum 3
dead spot Ophiosphaerella agrostidis 2
Didymosphaeria arachidicola Didymosphaeria arachidicola 1
Diplodia blight Sphaeropsis sapinea 155
dogwood anthracnose Discula destructiva 45
Dothistroma needle blight Mycosphaerella pini 37
Douglas-fir needlecast Rhabdocline pseudotsugae 22
downy mildew Bremia lactucae 9
downy mildew Hyaloperonospora brassicae 3
downy mildew Peronospora antirrhini 1
downy mildew Peronospora arthurii 1
downy mildew Peronospora destructor 21
downy mildew Peronospora farinosa f.sp. betae 4
downy mildew Peronospora farinosa 1
downy mildew Peronospora hariotii 2
downy mildew Peronospora manshurica 9
downy mildew Peronospora parasitica 9
downy mildew Peronospora spp. 4
downy mildew Plasmopara halstedii 13
downy mildew Plasmopara viburni 3
downy mildew Plasmopara viticola 15
downy mildew Pseudoperonospora cubensis 42
downy mildew Sclerophthora macrospora 7
downy mildew of potentilla Peronospora potentillae 5
downy mildew of rose Peronospora sparsa 14
downy spot Microstroma juglandis 4
Drechslera leaf spot Drechslera spp. 21
early blight Alternaria solani 99
edema 43
Elytroderma needle cast of pine Elytroderma deformans 19
Embellisia skin blotch and bulb canker of garlic Embellisia allii 7
Entomosporium leaf spot Diplocarpon mespili 16
eye spot Kabatiella zeae 2
eye spot Phyllosticta minima 17
fairy-ring leaf spot Mycosphaerella dianthi 13
fir needle cast Isthmiella abietis 1
fir needle cast Isthmiella quadrispora 1
fir needle cast Lirula abietis-concoloris 4
fir needle casts Lirula spp. 1
fir needle rusts Pucciniastrum spp. 3
fir-fireweed rust Pucciniastrum epilobii 24
Floury leaf spot Mycovellosiella phaseoli 8
foot rot Pseudocercosporella herpotrichoides 2
frog-eye leafspot Cercospora nicotianae 3
frogeye leaf spot Cercospora sojina 1
gangrene Phoma exigua var. foveata 2
gladiolus rust Uromyces transversalis 8
grape anthracnose Elsinoe ampelina 14
Grapevine Fanleaf Virus Nepovirus GFLV 2
grapevine flavescence dorée phytoplasma Phytoplasma 1
Grapevine Vein Yellows and Leaf Roll 2
Graphiola leaf spot Graphiola phoenicis 31
Graphiola leaf spot Graphiola spp. 30
gray leaf spot Magnaporthe grisea 33
gray leaf spot Stemphylium solani 8
guava rust Puccinia psidii 17
Guignardia blotch Guignardia spp. 7
Guignardia blotch of buckeyes and horsechestnuts Guignardia aesculi 10
Gynosporanium rusts Gymnosporangium spp. 17
Helminthosporium leaf blotch Drechslera avenacea 2
Helminthosporium leaf spot Helminthosporium spp. 27
Hemiphacidium fungus Hemiphacidium planum 1
hemlock needle rust Pucciniastrum vaccinii 3
hemlock rust Melampsora farlowii 4
Herpotrichia fungi Herpotrichia spp. 4
Impatiens Necrotic Spot Virus Tospovirus INSV 17
ink spot leaf blight Ciborinia whetzelii 5
iris leaf spot Davidiella macrospora 10
Japanese pear rust Gymnosporangium asiaticum 5
Japanese pear scab Venturia nashicola 4
juniper blight Cercospora sequoiae junipera 1
juniper broom rust Gymnosporangium speciosum 3
juniper-pear rust Gymnosporangium sabinae 8
larch needle cast Hypodermella laricis 10
large-spored spruce-laborador tea/needle rust Chrysomyxa ledicola 3
late blight Phytophthora infestans 125
late leaf spot Passalora personata 1
leaf and flower gall Exobasidium vaccinii 24
leaf blight Drechslera gigantea 11
leaf blight (Isariopsis leaf spot) Mycosphaerella personata 12
leaf blight of fennel Cercosporidium punctum 14
leaf blister of birch Taphrina betulina 6
leaf blister of elm Taphrina ulmi 1
leaf blister of maple Taphrina sacchari 2
leaf blister of poplar Taphrina populina 3
leaf blotch Stagonospora nodorum 18
leaf curl Taphrina communis 13
leaf mold Articularia quercina 1
leaf scorches 7
leaf shotholes Cylindrosporium spp. 8
leaf spot Ceratobasidium stevensii 1
leaf spot Cercostigmina protearum var. protearum 19
leaf spot Marssonia spp. 1
leaf spot Mycosphaerella alocasiae 1
leaf spot Mycosphaerella maculiformis 3
leaf spot Passalora sequoiae 64
leaf spot Ramularia didyma 7
leaf spot Sonderhenia eucalypticola 7
leaf spot Stemphylium spp. 9
leaf spot disease of Bells-of-Ireland Cercospora moluccella 8
leaf spot of maize Bipolaris zeicola 2
leaf spot or scorch Septoria azalea 13
leaf streak/black chaff Xanthomonas translucens pv. translucens 7
lemongrass rust Puccinia cymbopogonis 3
lemongrass rust Puccinia nakanishikii 17
Leptosphaeria leaf blight Leptosphaeria dracaenae 12
Leptosphaeria leaf blight Leptosphaeria spp. 6
Leptosphaerulina leaf blight Leptosphaerulina trifolii 7
Lewia fungi Lewia spp. 2
lime witches’ broom phytoplasma Candidatus Phytoplasma aurantifolia 4
lodgepole pine needle cast Lophodermella concolor 8
Lophodermium needle casts Lophodermium spp. 18
mal secco Phoma tracheiphila 3
maple cankers Stegonosporium spp. 1
Marssonina blight of poplar Marssonina populi 9
Marssonina leaf spot Marssonina betulae 1
Marssonina leaf spot Marssonina juglandis 4
Marssonina leaf spot Marssonina salicicola 5
Marssonina leaf spot Marssonina tiliae 1
Marssonina leaf spot Marssonina tremulae 6
Marssonina leaf spots Marssonina spp. 12
Medusa needle blight Davisomycella medusa 9
Melampsora leaf rust Melampsora laricis-populina 4
Melampsora leaf rust Melampsora populnea f.sp. laricis 4
Melampsora rusts Melampsora spp. 9
melanose Diaporthe citri 14
mint rust Puccinia menthae 8
mountain ash juniper rust Gymnosporangium cornutum 5
mycelial neck rot Botrytis tulipae 21
Mycosphaerella leaf spot Mycosphaerella cerasella 10
Mycosphaerella leaf spot Mycosphaerella microsora 2
needle blight Cercospora pini-densiflorae 3
needle blight of cedar Didymascella thujina 4
needle blight of hemlock Fabrella tsugae 5
needle blight of larch Meria laricis 9
needle cast Bifusella linearis 1
needle cast Bifusella saccata 4
needle cast Lophodermium juniperinum 1
needle cast Lophodermium seditiosum 3
needle cast Virgella robusta 3
needle cast of Japanese larch Mycosphaerella laricis-leptolepidis 1
needle rust Coleosporium senecionis 4
needle rust Coleosporium tussilaginis 2
needle rust Pucciniastrum goeppertianum 1
needlecast Bifusella pini 1
needlecast Davisomycella attenuata 1
needlecast Davisomycella montana 1
needlecast Gloeocoryneum cinereum 1
needlecast Lophodermella montivaga 2
needlecast Meloderma desmazieri 7
needlecast Stigmina deflectens 5
northern corn leaf blight Exserohilum turcicum 63
oak anthracnose Apiognomonia errabunda 28
oak leaf blister Taphrina caerulescens 43
oat crown rust Puccinia coronata var. avenae 3
oat stem rust Puccinia graminis f.sp. avenae 3
onion rust Puccinia allii 27
onion smudge Colletotrichum circinans 5
orange rust Arthuriomyces peckianus 1
pasmo disease of linseed Mycosphaerella linicola 2
Peach Latent Mosaic Viroid Pelamoviroid PLMVd 3
peach leaf curl Taphrina deformans 17
Peach Rosette Mosaic Virus Nepovirus PRMV 2
peach scab Venturia carpophila 12
peach X-disease phytoplasma Phytoplasma 4
Peanut Stunt Virus Cucumovirus PSV 15
pear decline phytoplasma Phytoplasma 12
pear scab Venturia pirina 1
pecan scab Cladosporium caryigenum 35
peony leaf blotch Cladosporium paeoniae 2
Pestalotiopsis blight Pestalotiopsis quepinii 2
Pestalotiopsis leaf spot Pestalotiopsis palmarum 7
Pestalotiopsis leaf spot Pestalotiopsis spp. 8
Pestalotiopsis leaf spot Pestalotiopsis versicolor 3
Phacidium fungus Phacidium coniferarum 11
Phloeospora leaf spot Phloeospora spp. 7
Phloeosporella fungus Phloeosporella padi 9
phlox powdery mildew Erysiphe cichoracearum 9
Phoma blight Phoma exigua var. exigua 4
Phoma blight Phoma macdonaldii 3
Phoma blight Phoma medicaginis 1
Phoma blights Phoma spp. 23
Phomopsis cane and leaf spot Phomopsis viticola 10
Phomopsis leaf blight and fruit rot Phomopsis obscurans 12
Phyllosticta leaf spot Phyllosticta vaccinii 9
Phyllosticta leaf spots Phyllosticta spp. 41
Phytophthora basal canker Phytophthora palmivora 15
pine needle cast Lophodermella cerina 24
pine needle cast Lophodermium nitens 6
pine needle cast Lophodermium pinastri 40
pine needle rust Coleosporium asterum 12
pine needle rusts Coleosporium spp. 28
pink snow mold Microdochium nivale 4
Pleuroceras fungus Pleuroceras pseudoplatani 1
Ploioderma needle cast of pine Ploioderma lethale 3
poplar rust Melampsora medusae 9
potato deforming rust Aecidium cantensis 2
Potato Mop Top Virus Carlavirus PMTV 1
potato stolbur phytoplasma Phytoplasma SMLO 3
Potato Yellow Dwarf Virus Nucleorhabdovirus PYDV 5
powdery mildew Blumeria graminis 18
powdery mildew Erysiphe betae 19
powdery mildew Erysiphe flexuosa 2
powdery mildew Erysiphe lagerstroemiae 8
powdery mildew Erysiphe magnicellulata 6
powdery mildew Erysiphe necator 12
powdery mildew Erysiphe palczewskii 2
powdery mildew Erysiphe poeltii 5
powdery mildew Erysiphe spp. 8
powdery mildew Erysiphe syringae 3
powdery mildew Golovinomyces orontii 8
powdery mildew Leveillula taurica 2
powdery mildew Microsphaera abbreviata 1
powdery mildew Microsphaera penicillata 24
powdery mildew Oidium ipomoeae 1
powdery mildew Oidium murrayae 1
powdery mildew Oidium spp. 28
powdery mildew Phyllactinia fraxini 2
powdery mildew Phyllactinia guttata 5
powdery mildew Phyllactinia moricola 1
powdery mildew Phyllactinia spp. 4
powdery mildew Podosphaera leucotricha 12
powdery mildew Podosphaera macularis 60
powdery mildew Podosphaera pannosa 9
powdery mildew Podosphaera spp. 3
powdery mildew Sawadaea tulasnei 1
powdery mildew Sphaerotheca delphinii 11
powdery mildew Sphaerotheca fuliginea 18
powdery mildew Sphaerotheca phytoptophila 5
powdery mildew of oak Microsphaera alphitoides 25
powdery mildews 8
powdery mildews Sphaerotheca spp. 4
Pseudocercospora leaf spot Pseudocercospora vitis 11
puccinia rust Puccinia carduorum 4
puccinia rusts Puccinia spp. 11
purple blotch Alternaria porri 27
Pyrenophora leaf blight Drechslera dictyoides 1
Raspberry Leaf Curl Virus Luteovirus RLCV 1
raspberry leaf spot Sphaerulina rubi 3
Raspberry Ringspot Virus Nepovirus RpRSV 3
red belt abiotic damage 10
Repetophragma fungus Repetophragma wroblewski 1
Rhabdocline needlecast Rhabdocline weirii 5
Rhabdocline needlecasts Rhabdocline spp. 7
Rhizosphaera needle cast Rhizosphaera kalkhoffii 35
Rhizosphaera needle cast Rhizosphaera spp. 1
rose rust Phragmidium mucronatum 2
rose rusts Phragmidium spp. 3
Rostratum leaf spot Exserohilum rostratum 2
rush skeletonweed rust Puccinia chondrillina 2
rust Puccinia aristidae 14
rust Puccinia heliconiae 1
rust Puccinia pelargonii-zonalis 2
rust Tranzschelia discolor f.sp. persicae 1
rust Tranzschelia discolor 7
rust Tranzschelia spp. 10
rust Uromyces appendiculatus 115
rust Uromyces dianthi 1
rust on veronica Puccinia veronicae-longifoliae 3
rusts Gerwasia spp. 1
rusts 9
safflower rust Puccinia calcitrapae var. centaureae 1
Sapstreak disease of maple Ceratocystis virescens 1
Satsuma Dwarf Virus Sadwavirus SDV 9
scab Cladosporium cucumerinum 12
Septoria canker of poplar Mycosphaerella populorum 1
Septoria leaf spot Septoria apiicola 4
Septoria leaf spot Septoria betulae 4
Septoria leaf spot Septoria chrysanthemi 2
Septoria leaf spot Septoria cornicola 9
Septoria leaf spot Septoria lycopersici 10
Septoria leaf spot Septoria platanifolia 7
Septoria leaf spot and canker Septoria musiva 5
Septoria leaf spot and canker Septoria populicola 1
Septoria leaf spot and cankers Septoria spp. 29
Septoria leaf spot of wheat Septoria tritici 9
Septoria leafspot, annular leafspot Septoria lycopersici malagutii 3
sharp eyespot Ceratobasidium cereale 9
shepherd's crook leaf and shoot blight Venturia populina 2
shepherd's crook leaf and shoot blight Venturia tremulae 12
Sirococcus blight of conifers Sirococcus conigenus 77
snow mold Typhula incarnata 4
snow molds Typhula spp. 3
sooty blotch Gloeodes pomigena 2
sorghum rough leaf spot Ascochyta sorghi 1
sour orange scab Elsinoe fawcettii 45
Southern corn leaf blight and stalk rot Bipolaris maydis 11
Southern corn rust Puccinia polysora 7
soybean rust Phakopsora pachyrhizi 34
Sphaeropsis tip blight Sphaeropsis tumefaciens 8
spot anthracnose Elsinoe corni 19
spring dead spot Ophiosphaerella korrae 13
spruce needle cast Lophodermium piceae 3
spruce needle cast/blight Lirula macrospora 15
spruce needle rust Chrysomyxa weirii 1
Squash Leaf Curl Virus Bigeminivirus SLCV 5
Stigmina fungus Wilsonomyces carpophilus 8
Stigmina leaf spot Cercospora mangiferae 1
Stigmina leaf spot Stigmina lautii 6
Stigmina leaf spot Stigmina palmivora 14
Stigmina leaf spots Stigmina spp. 9
Strawberry Crinkle Virus Cytorhabdovirus SCrV 2
Strawberry Latent Ringspot Virus Nepovirus SLRSV 1
strawberry leaf spot Mycosphaerella fragariae 21
Strawberry Mild Yellow Edge Virus Luteovirus SMYEV 1
Strawberry Vein Banding Virus Caulimovirus SVBV 1
stripe rust Puccinia striiformis 28
summer patch Magnaporthe poae 6
Swiss needle cast Phaeocryptopus gaeumannii 16
sycamore anthracnose Apiognomonia veneta 18
take-all root rot Gaeumannomyces graminis var. tritici 4
tan spot Pyrenophora tritici-repentis 1
Taphrina flower fungus Taphrina johansonii 1
tar spot Phyllachora afzeliae 2
tar spot Rhytisma americanum 2
tar spot Rhytisma punctatum 3
tar spot Rhytisma salicinum 1
tar spot needlecast Davisomycella ampla 7
tar spot of maple Rhytisma acerinum 14
tar spots Rhytisma spp. 2
Tomato Black Ring Virus Nepovirus TBRV 8
tomato leaf mold Mycovellosiella fulva 22
Tomato Ringspot Virus Nepovirus ToRSV 10
tracheomycosis 3
twig and leaf blight Blumeriella kerriae 4
twist rust Melampsora populnea 7
Venturia leaf scabs and blights Venturia spp. 2
Volutella blight Volutella buxi 9
Volutella blight Volutella pachysandrae 1
Volutella blight of pachysandra Volutella pachysandricola 4
wheat leaf rust Puccinia recondita 8
wheat stem rust Puccinia graminis 39
white leaf spot Cercospora brassicicola 6
White Leaf Spot Pseudocercosporella albida 3
White Leaf Streak of Rice Mycovellosiella oryzae 2
white pine needlecast Lophodermella arcuata 3
willow rust Melampsora salicina 4
willow scab Venturia saliciperda 1
witches broom rust Gymnosporangium nelsonii 3
Xanthomonas leaf blight of onion Xanthomonas axonopodis pv. allii 67
yellow leaf blotch Pseudopeziza jonesii 3
zonate leaf spot Grovesinia pyramidalis 13

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