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Sycamore Tar Spot (Rhytisma acerinum) lesions on Sycamore (Acer pseudoplatanus) leaf, Maritime Alps, France, September  -  Bob Gibbons/ FLPA
80182884
80182884 Sycamore Tar Spot (Rhytisma acerinum) lesions on Sycamore (Acer pseudoplatanus) leaf, Maritime Alps, France, September© Bob Gibbons / FLPA
Common Ash (Fraxinus excelsior) dieback of leaves, caused by Ash Dieback (Chalara fraxinea) fungal disease, Norfolk, England, June  -  Roger Tidman/ FLPA
80179499
80179499 Common Ash (Fraxinus excelsior) dieback of leaves, caused by Ash Dieback (Chalara fraxinea) fungal disease, Norfolk, England, June© Roger Tidman / FLPA
Skin blemishes, warts and lesions caused by Common scab (Streptomyces) on the surface of Potato (Solanum tuberosum) tubers at harvest, Devon, UK.
90890572
90890572 Skin blemishes, warts and lesions caused by Common scab (Streptomyces) on the surface of Potato (Solanum tuberosum) tubers at harvest, Devon, UK.©
Golden potato cyst nematode (Globodera rostochiensis) close up of cysts on Potato (Solanum tuberosum) roots, UK.
90890566
90890566 Golden potato cyst nematode (Globodera rostochiensis) close up of cysts on Potato (Solanum tuberosum) roots, UK.©
Strawberry red core / Red stele (Phytophthora fragariae) showing red colour of diseased root in section.
90890549
90890549 Strawberry red core / Red stele (Phytophthora fragariae) showing red colour of diseased root in section.©
Narcissus smoulder (Botrytis narcissicola) stem base sclerotia on a Narcissus (Narcissus sp.) plant stem.
90890548
90890548 Narcissus smoulder (Botrytis narcissicola) stem base sclerotia on a Narcissus (Narcissus sp.) plant stem.©
Narcissus smoulder (Botrytis narcissicola) stem base sclerotia on a Narcissus (Narcissus sp.) plant stem.
90890547
90890547 Narcissus smoulder (Botrytis narcissicola) stem base sclerotia on a Narcissus (Narcissus sp.) plant stem.©
Leaf canker (Leptosphaeria maculans) lesion with black pycnidia on the leaf of Oilseed rape (Brassica napus) .
90890543
90890543 Leaf canker (Leptosphaeria maculans) lesion with black pycnidia on the leaf of Oilseed rape (Brassica napus) .©
Field grasshopper (Chorthippus brunneus) killed by a pathogenic fungus (Entomophaga grylli) clinging to a tall dried plant where fungal spores will be effectively dispersed from, Somerset, UK. Septemb...
90887004
90887004 Field grasshopper (Chorthippus brunneus) killed by a pathogenic fungus (Entomophaga grylli) clinging to a tall dried plant where fungal spores will be effectively dispersed from, Somerset, UK. Septemb...©
Coffee leaf rust (Hemileia vastatrix) sporulating pustules on the underside of Coffee (Coffea arabica) leaf, Colombia.
90885610
90885610 Coffee leaf rust (Hemileia vastatrix) sporulating pustules on the underside of Coffee (Coffea arabica) leaf, Colombia.©
Peanut leaf spot (Passalora arachidicola), a fungal disease creating necrotic leaf spots, on Peanut (Arachis hypogaea) leaf, Colombia.
90885609
90885609 Peanut leaf spot (Passalora arachidicola), a fungal disease creating necrotic leaf spots, on Peanut (Arachis hypogaea) leaf, Colombia.©
Black root rot (Rosellinia pepo) star mycelium under bark of of Cocoa tree (Theobroma cacao) roots, Colombia.
90885604
90885604 Black root rot (Rosellinia pepo) star mycelium under bark of of Cocoa tree (Theobroma cacao) roots, Colombia.©
Citrus greening (Candidatus Liberibacter), vector transmitted bacterial disease causing uneven ripening, on Orange (Citrus sinensis) fruit, South Africa.
90885603
90885603 Citrus greening (Candidatus Liberibacter), vector transmitted bacterial disease causing uneven ripening, on Orange (Citrus sinensis) fruit, South Africa.©
Septoria nodorum blotch (Phaeosphaeria nodorum) leaf lesions on flag leaves of Winter wheat (Triticum aestivum) crop, UK.
90885600
90885600 Septoria nodorum blotch (Phaeosphaeria nodorum) leaf lesions on flag leaves of Winter wheat (Triticum aestivum) crop, UK.©
Stinking bunt (Tilletia caries) infected Wheat (Triticum aestivum) ear, partially dissected showing grains replaced by black bunt spores, UK.
90885599
90885599 Stinking bunt (Tilletia caries) infected Wheat (Triticum aestivum) ear, partially dissected showing grains replaced by black bunt spores, UK.©
Stinking bunt (Tilletia caries) infected Wheat (Triticum aestivum) ear, partially dissected showing grains replaced by black bunt spores, UK.
90885598
90885598 Stinking bunt (Tilletia caries) infected Wheat (Triticum aestivum) ear, partially dissected showing grains replaced by black bunt spores, UK.©
Stinking bunt (Tilletia caries) infected Wheat (Triticum aestivum) ear with grains replaced by black bunt spores, UK
90885597
90885597 Stinking bunt (Tilletia caries) infected Wheat (Triticum aestivum) ear with grains replaced by black bunt spores, UK©
Sugar cane mosaic virus (SCMV) chlorosis symptoms on leaf of infected Maize (Zea mays) crop, South Africa.
90885586
90885586 Sugar cane mosaic virus (SCMV) chlorosis symptoms on leaf of infected Maize (Zea mays) crop, South Africa.©
Black root rot (Thielaviopsis basicola) developing in peanuts (Arachis hypogaea) and plant roots, South Africa.
90885585
90885585 Black root rot (Thielaviopsis basicola) developing in peanuts (Arachis hypogaea) and plant roots, South Africa.©
Pecan scab (Cladosporium caryigenum) lesions on mature pecan (Carya illinoinensis) shells, South Africa.
90885584
90885584 Pecan scab (Cladosporium caryigenum) lesions on mature pecan (Carya illinoinensis) shells, South Africa.©
Sugar cane mosaic virus (SCMV) chlorosis symptoms on leaf of infected sugar cane (Saccharum officinarum) crop, South Africa.
90885583
90885583 Sugar cane mosaic virus (SCMV) chlorosis symptoms on leaf of infected sugar cane (Saccharum officinarum) crop, South Africa.©
Goatsbeard white rust (Pustula tragopogonis) lesions and pustules on underside of sunflower (Helianthus sp.) leaf, South Africa.
90885582
90885582 Goatsbeard white rust (Pustula tragopogonis) lesions and pustules on underside of sunflower (Helianthus sp.) leaf, South Africa.©
Banana (Musa sp.) plantation severely affected and diseased by Yellow sigatoka (Mycosphaerella musicola) disease, Thailand, South East Asia.
90882846
90882846 Banana (Musa sp.) plantation severely affected and diseased by Yellow sigatoka (Mycosphaerella musicola) disease, Thailand, South East Asia.©
Irrigated Banana (Musa sp.) plantation severely affected and diseased by Yellow sigatoka (Mycosphaerella musicola) disease, Thailand, South East Asia.
90882845
90882845 Irrigated Banana (Musa sp.) plantation severely affected and diseased by Yellow sigatoka (Mycosphaerella musicola) disease, Thailand, South East Asia.©
Papaya black spot (Asperisporium caricae) fungal disease on Papaya (Carica papaya) leaf and fruit, South Africa.
90882821
90882821 Papaya black spot (Asperisporium caricae) fungal disease on Papaya (Carica papaya) leaf and fruit, South Africa.©
Papaya black spot (Asperisporium caricae) fungal disease on Papaya (Carica papaya) leaf, South Africa.
90882820
90882820 Papaya black spot (Asperisporium caricae) fungal disease on Papaya (Carica papaya) leaf, South Africa.©
Olive peacock spot (Spilocaea oleaginea), a leaf spot and chlorosis on Olive (Olea sp.) leaves, South Africa.
90882818
90882818 Olive peacock spot (Spilocaea oleaginea), a leaf spot and chlorosis on Olive (Olea sp.) leaves, South Africa.©
Dead Juniper (Juniperus sp.) bushes killed by fungus (Phytophthora austrocedrae), Austwick, Yorkshire Dales National Park, Yorkshire, UK. July 2020
90882390
90882390 Dead Juniper (Juniperus sp.) bushes killed by fungus (Phytophthora austrocedrae), Austwick, Yorkshire Dales National Park, Yorkshire, UK. July 2020©
Dead Juniper (Juniperus sp.) bushes killed by fungus (Phytophthora austrocedrae), Austwick, Yorkshire Dales National Park, Yorkshire, UK. July.
90882389
90882389 Dead Juniper (Juniperus sp.) bushes killed by fungus (Phytophthora austrocedrae), Austwick, Yorkshire Dales National Park, Yorkshire, UK. July.©
European pear rust (Gymnosporangium sabinae) growth blister producing aeciospores on the lower surface of a pear leaf, Berkshire, UK, September.
90873528
90873528 European pear rust (Gymnosporangium sabinae) growth blister producing aeciospores on the lower surface of a pear leaf, Berkshire, UK, September.©
European pear rust (Gymnosporangium sabinae) lesions on the upper surface of a pear leaf, Berkshire, UK, September.
90873527
90873527 European pear rust (Gymnosporangium sabinae) lesions on the upper surface of a pear leaf, Berkshire, UK, September.©
Cucumber powedery mildew (Podosphaera fuliginea) white fungal mycelium on leaves of a fruiting cucurbit plant, Berkshire, UK, September.
90873523
90873523 Cucumber powedery mildew (Podosphaera fuliginea) white fungal mycelium on leaves of a fruiting cucurbit plant, Berkshire, UK, September.©
Brown rot (Monilinia fructigena) infection on a bunch of ripening Victoria plums (Prunus domestica) on the tree, Berkshire, UK, August.
90873506
90873506 Brown rot (Monilinia fructigena) infection on a bunch of ripening Victoria plums (Prunus domestica) on the tree, Berkshire, UK, August.©
Black spot (Diplocarpon rosae) necrotic dark spots of a fungus disease on the leaves of a garden rose, Berkshire, UK, July.
90873490
90873490 Black spot (Diplocarpon rosae) necrotic dark spots of a fungus disease on the leaves of a garden rose, Berkshire, UK, July.©
Black spot (Diplocarpon rosae) necrotic dark lesions and chlorosisd on a shrub garden rose (Rosa sp.) leaf, Berkshire, England, May
90872023
90872023 Black spot (Diplocarpon rosae) necrotic dark lesions and chlorosisd on a shrub garden rose (Rosa sp.) leaf, Berkshire, England, May©
Black rot (Guignardia bidwellii f. muscadinii) leaf spot lesions on muscadine grapevine, Florida, USA, May
90867125
90867125 Black rot (Guignardia bidwellii f. muscadinii) leaf spot lesions on muscadine grapevine, Florida, USA, May©
Cytospora canker (Cytospora leucostoma) canker disease exudation from a peach tree trunk, USA, September
90867124
90867124 Cytospora canker (Cytospora leucostoma) canker disease exudation from a peach tree trunk, USA, September©
Cedar apple rust (Gymnosporangium juniperi-virginianae) pustules on the underside of an apple leaf, New York, USA, September
90867119
90867119 Cedar apple rust (Gymnosporangium juniperi-virginianae) pustules on the underside of an apple leaf, New York, USA, September©
Apple scab (Venturia inaequalis) lesions and cracking on ripe on apple fruit, New York State, USA, September
90867113
90867113 Apple scab (Venturia inaequalis) lesions and cracking on ripe on apple fruit, New York State, USA, September©
Brown or leaf rust (Puccinia triticina) infection on flag leaves and ears of a wheat crop in green unripe ears
90867096
90867096 Brown or leaf rust (Puccinia triticina) infection on flag leaves and ears of a wheat crop in green unripe ears©
Brown rust (Puccinia hordei) pustules of infection on barley flag leaf from crop plant in ear
90867079
90867079 Brown rust (Puccinia hordei) pustules of infection on barley flag leaf from crop plant in ear©
Clubroot (Plasmodiophora brassica) diseased twisted, malformed and distorted root on a cabbage plant
90867070
90867070 Clubroot (Plasmodiophora brassica) diseased twisted, malformed and distorted root on a cabbage plant©
Black dot (Colletotrichum coccodes) necrotic lesions on the stem base of a mature potato plant
90867065
90867065 Black dot (Colletotrichum coccodes) necrotic lesions on the stem base of a mature potato plant©
Black dot (Colletotrichum coccodes) necrotic lesions on the stem base of a mature potato plant
90867064
90867064 Black dot (Colletotrichum coccodes) necrotic lesions on the stem base of a mature potato plant©
Carnation rust (Uromyces dianthi) pustules erupting on Dianthus spp. leaf base and stem, Italy
90867063
90867063 Carnation rust (Uromyces dianthi) pustules erupting on Dianthus spp. leaf base and stem, Italy©
Thuja needle scorch, cedar or Keithia leaf blight (Didymascella thujina) fruiting bodies on western red cedar (Thuja plicata) leaflets
90867062
90867062 Thuja needle scorch, cedar or Keithia leaf blight (Didymascella thujina) fruiting bodies on western red cedar (Thuja plicata) leaflets©
Mallow rust (Puccinia malvacearum) necrotic lesions on the upper surface of a common mallow (Malva neglecta) leaf, Berkshire, England, UK, June
90851303
90851303 Mallow rust (Puccinia malvacearum) necrotic lesions on the upper surface of a common mallow (Malva neglecta) leaf, Berkshire, England, UK, June©
Mallow rust (Puccinia malvacearum) disease pustules on the lower surface of a common mallow (Malva neglecta) leaf, Berkshire, England, UK, June
90851302
90851302 Mallow rust (Puccinia malvacearum) disease pustules on the lower surface of a common mallow (Malva neglecta) leaf, Berkshire, England, UK, June©
Mallow rust (Puccinia malvacearum) disease pustules on the lower surface of a common mallow (Malva neglecta) leaf, Berkshire, England, UK, June
90851301
90851301 Mallow rust (Puccinia malvacearum) disease pustules on the lower surface of a common mallow (Malva neglecta) leaf, Berkshire, England, UK, June©
Mallow rust (Puccinia malvacearum) necrotic lesions on the upper surface of a common mallow (Malva neglecta) leaf, Berkshire, England, UK, June
90851300
90851300 Mallow rust (Puccinia malvacearum) necrotic lesions on the upper surface of a common mallow (Malva neglecta) leaf, Berkshire, England, UK, June©
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