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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
Blackberry rust (Kuehneola uredinis) lesions and orange spores on the stem of Bramble (Rubus fructicosus), Berkshire, England, UK, May
90851259
90851259 Blackberry rust (Kuehneola uredinis) lesions and orange spores on the stem of Bramble (Rubus fructicosus), Berkshire, England, UK, May©
Blackberry rust (Kuehneola uredinis) lesions and orange spores on the stem of Bramble(Rubus fructicosus), Berkshire, England, UK, May
90851258
90851258 Blackberry rust (Kuehneola uredinis) lesions and orange spores on the stem of Bramble(Rubus fructicosus), Berkshire, England, UK, May©
Pear rust (Gymnosporangium fuscum) pustules and damage on underside of Pear (Pyrus communis) leaves. Berkshire, England, UK. September.
90844013
90844013 Pear rust (Gymnosporangium fuscum) pustules and damage on underside of Pear (Pyrus communis) leaves. Berkshire, England, UK. September.©
Pear rust (Gymnosporangium fuscum) pustules and damage on underside of Pear (Pyrus communis) leaves. Berkshire, England, UK. September.
90844012
90844012 Pear rust (Gymnosporangium fuscum) pustules and damage on underside of Pear (Pyrus communis) leaves. Berkshire, England, UK. September.©
Pear rust (Gymnosporangium fuscum) pustules and damage on upper and lower surfaces of Pear (Pyrus communis) leaves. Berkshire, England, UK. September.
90844011
90844011 Pear rust (Gymnosporangium fuscum) pustules and damage on upper and lower surfaces of Pear (Pyrus communis) leaves. Berkshire, England, UK. September.©
Apple canker (Neonectria ditissima) lesion in a branch of an old orchard tree. A fungus diseases, Berkshire, November.
90842592
90842592 Apple canker (Neonectria ditissima) lesion in a branch of an old orchard tree. A fungus diseases, Berkshire, November.© Nigel Cattlin
Septoria leaf blotch (Mycosphaerella graminicola) lesions of fungal disease with pycnidia on wheat leaves. England, UK.
90840678
90840678 Septoria leaf blotch (Mycosphaerella graminicola) lesions of fungal disease with pycnidia on wheat leaves. England, UK.© Nigel Cattlin
Halo spot (Pseudoseptoria donacis) fungus disease lesions on barley crop leaves
90840650
90840650 Halo spot (Pseudoseptoria donacis) fungus disease lesions on barley crop leaves© Nigel Cattlin
Sharp eyespot (Ceratobasidium cereale) eye-shaped pale lesions of a fungal disease on wheat stem base
90840649
90840649 Sharp eyespot (Ceratobasidium cereale) eye-shaped pale lesions of a fungal disease on wheat stem base© Nigel Cattlin
Shot hole (Pseudomonas syringae morsprunorum) a bacterial disease causing lesions and 'shot-hole' effect in a plum leaf
90840643
90840643 Shot hole (Pseudomonas syringae morsprunorum) a bacterial disease causing lesions and 'shot-hole' effect in a plum leaf© Nigel Cattlin
Hypersensitive reaction to powdery mildew (Blumeria graminis) causing necrotic lesions on barley leaf
90840634
90840634 Hypersensitive reaction to powdery mildew (Blumeria graminis) causing necrotic lesions on barley leaf© Nigel Cattlin
Leaf spot (Ascochyta fabae) crop fungal disease lesions on a field bean leaf (Vicia faba)
90840618
90840618 Leaf spot (Ascochyta fabae) crop fungal disease lesions on a field bean leaf (Vicia faba)© Nigel Cattlin
Leaf canker or black leg disease (Leptosphaeria maculans) crop disease lesion and pycnidia on oilseed rape leaf
90840617
90840617 Leaf canker or black leg disease (Leptosphaeria maculans) crop disease lesion and pycnidia on oilseed rape leaf© Nigel Cattlin
Light leaf spot (Pyrenopeziza brassicae) fungal disease lesion on oilseed rape or canola leaf (Brassica napus)canola
90840616
90840616 Light leaf spot (Pyrenopeziza brassicae) fungal disease lesion on oilseed rape or canola leaf (Brassica napus)canola© Nigel Cattlin
Leaf blotch (Rhynchosporium secalis) fungal disease lesions on ryegrass (Lolium perenne) leaves
90840608
90840608 Leaf blotch (Rhynchosporium secalis) fungal disease lesions on ryegrass (Lolium perenne) leaves© Nigel Cattlin
Antirrhinum or snapdragon rust (Puccinia antirrhini) pustules in a circular lesion on the underside of Snapdragon (Antirrhinum sp) leaf, August.
90824412
90824412 Antirrhinum or snapdragon rust (Puccinia antirrhini) pustules in a circular lesion on the underside of Snapdragon (Antirrhinum sp) leaf, August.© Nigel Cattlin
Downy mildew (Peronospora parasitica) mycelium and lesion on underside of Oilseed rape (Brassica napus napus) leaf.
90818898
90818898 Downy mildew (Peronospora parasitica) mycelium and lesion on underside of Oilseed rape (Brassica napus napus) leaf.© Nigel Cattlin
Grey mould Botrytis cinerea lesions on a strawberry leaf during a wet summer  -  Nigel Cattlin/ FLPA
80149499
80149499 Grey mould Botrytis cinerea lesions on a strawberry leaf during a wet summer© Nigel Cattlin / FLPA
Maize (Zea mays) crop, leaves damaged by Northern Leaf Blight (Exserohilum turcicum), Gisborne, North Island, New Zealand  -  Duncan Smith/ FLPA
80146144
80146144 Maize (Zea mays) crop, leaves damaged by Northern Leaf Blight (Exserohilum turcicum), Gisborne, North Island, New Zealand© Duncan Smith / FLPA
Potato early blight (Alternaria alternata) discreet lesions on a potato leaf  -  Nigel Cattlin/ FLPA
80125712
80125712 Potato early blight (Alternaria alternata) discreet lesions on a potato leaf© Nigel Cattlin / FLPA
Chocolate spot (Botrytis fabae) early symptoms of discreet necrotic loesions on the leaf of a field bean (Vicia faba)
90842182
90842182 Chocolate spot (Botrytis fabae) early symptoms of discreet necrotic loesions on the leaf of a field bean (Vicia faba)© Nigel Cattlin
Black sigatoka (Mycosphaerella fijiensis) lesions and necrosis on the leaves of young bananas, Malaysia, February,
90842123
90842123 Black sigatoka (Mycosphaerella fijiensis) lesions and necrosis on the leaves of young bananas, Malaysia, February,© Nigel Cattlin
Yellow sigatoka (Mycosphaerella musicola)lesions and necrosis on the leaves of young bananas, Malaysia, February,
90842122
90842122 Yellow sigatoka (Mycosphaerella musicola)lesions and necrosis on the leaves of young bananas, Malaysia, February,© Nigel Cattlin
Yellow sigatoka (Mycosphaerella musicola)lesions and necrosis on the leaves of young bananas, Malaysia, February,
90842121
90842121 Yellow sigatoka (Mycosphaerella musicola)lesions and necrosis on the leaves of young bananas, Malaysia, February,© Nigel Cattlin
Necrotic spots caused by coffee rust (Hemileia vastatrix) to the upper surface of a coffee (Coffee arabica) leaf, Malaysia, February
90842118
90842118 Necrotic spots caused by coffee rust (Hemileia vastatrix) to the upper surface of a coffee (Coffee arabica) leaf, Malaysia, February© Nigel Cattlin
Narrow brown spot (Cercospora oryzae) lesions on a rice leaf
90841931
90841931 Narrow brown spot (Cercospora oryzae) lesions on a rice leaf© Nigel Cattlin
Close up of Leaf spot (Cercospora beticola) lesion on a Sugar Beet leaf (Beta vulgaris)
90841877
90841877 Close up of Leaf spot (Cercospora beticola) lesion on a Sugar Beet leaf (Beta vulgaris)© Nigel Cattlin
Net Blotch (Pyrenophora teres) lesions on Barley leaves
90841873
90841873 Net Blotch (Pyrenophora teres) lesions on Barley leaves© Nigel Cattlin
Close up of Angular leaf spot (Phaeoisariopsis griseola) lesions on a Bean leaf (Phaseolus sp).
90841816
90841816 Close up of Angular leaf spot (Phaeoisariopsis griseola) lesions on a Bean leaf (Phaseolus sp).© Nigel Cattlin
Potato late blight (Phytophthora infestans) necrotic disease lesions on Potato leaves
90841791
90841791 Potato late blight (Phytophthora infestans) necrotic disease lesions on Potato leaves© Nigel Cattlin
Hellebore Leaf Spots (Coniothyrium hellebori) on Helleborus leaves.
90841688
90841688 Hellebore Leaf Spots (Coniothyrium hellebori) on Helleborus leaves.© Nigel Cattlin
Sporulating grey mould (Botrytis cinerea) lesion on the leaf of a mature Pelargonium pot plant in winter
90837763
90837763 Sporulating grey mould (Botrytis cinerea) lesion on the leaf of a mature Pelargonium pot plant in winter© Nigel Cattlin
Sporulating grey mould (Botrytis cinerea) on the stems and leaves of a mature Pelargonium pot plant in winter
90837750
90837750 Sporulating grey mould (Botrytis cinerea) on the stems and leaves of a mature Pelargonium pot plant in winter© Nigel Cattlin
Photomicrograph of pustules exuding spores of striped / yellow rust (Puccinia striiformis) on wild grass leaves, Devon, England, UK, June
90837714
90837714 Photomicrograph of pustules exuding spores of striped / yellow rust (Puccinia striiformis) on wild grass leaves, Devon, England, UK, June© Nigel Cattlin
Striped / yellow rust (Puccinia striiformis) lines of pustules along the veins of a wild grass leaf, Devon, England, UK, June
90837708
90837708 Striped / yellow rust (Puccinia striiformis) lines of pustules along the veins of a wild grass leaf, Devon, England, UK, June© Nigel Cattlin
Nectria pear canker (Neonectria ditissima) lesion with living green and dead brown leaves on a pear branch, Berkshire, England, UK, June
90828376
90828376 Nectria pear canker (Neonectria ditissima) lesion with living green and dead brown leaves on a pear branch, Berkshire, England, UK, June© Nigel Cattlin
Nectria pear canker (Neonectria ditissima) lesion with living green and dead brown leaves on a pear branch, Berkshire, England, UK, June
90828375
90828375 Nectria pear canker (Neonectria ditissima) lesion with living green and dead brown leaves on a pear branch, Berkshire, England, UK, June© Nigel Cattlin
Nectria pear canker (Neonectria ditissima) lesion with living green and dead brown leaves on a pear branch, Berkshire, England, UK, June
90828374
90828374 Nectria pear canker (Neonectria ditissima) lesion with living green and dead brown leaves on a pear branch, Berkshire, England, UK, June© Nigel Cattlin
Nectria pear canker (Neonectria ditissima) lesion with living green and dead brown leaves on a pear branch, Berkshire, England, UK, June
90828373
90828373 Nectria pear canker (Neonectria ditissima) lesion with living green and dead brown leaves on a pear branch, Berkshire, England, UK, June© Nigel Cattlin
Black spot (Diplocarpon rosae) discreet dark lesions on young rose leaves, Berkshire, England, UK, June
90828372
90828372 Black spot (Diplocarpon rosae) discreet dark lesions on young rose leaves, Berkshire, England, UK, June© Nigel Cattlin
Black spot (Diplocarpon rosae) discreet dark lesions on young rose leaves, Berkshire, England, UK, June
90828371
90828371 Black spot (Diplocarpon rosae) discreet dark lesions on young rose leaves, Berkshire, England, UK, June© Nigel Cattlin
Black spot (Diplocarpon rosae) a fungal disease on rose leaves, Berkshire, England, UK, May
90828331
90828331 Black spot (Diplocarpon rosae) a fungal disease on rose leaves, Berkshire, England, UK, May© Nigel Cattlin
Sharp eyespot (Rhizoctonia cerealis) lesions with contrasting dark margins and light centres on wheat stem base
90828194
90828194 Sharp eyespot (Rhizoctonia cerealis) lesions with contrasting dark margins and light centres on wheat stem base© Nigel Cattlin
Leaf & pod spot (Alternaria brassicae) discreet black lesions on the stem and seed pods of oilseed rape crop
90828192
90828192 Leaf & pod spot (Alternaria brassicae) discreet black lesions on the stem and seed pods of oilseed rape crop© Nigel Cattlin
Grey mould (Botrytis cinerea) lesion with necrosis and mycelium mould growth shown through an oilseed rape stem section.
90828191
90828191 Grey mould (Botrytis cinerea) lesion with necrosis and mycelium mould growth shown through an oilseed rape stem section.© Nigel Cattlin
Grey mould (Botrytis cinerea) lesion with necrosis and mycelium mould growth on oilseed rape stem
90828190
90828190 Grey mould (Botrytis cinerea) lesion with necrosis and mycelium mould growth on oilseed rape stem© Nigel Cattlin
Arum / Ramson's rust (Puccinia sessilis) pustules and lesions on leaves of wild arum, lords and ladies (Arum maculatum) Berkshire, England, UK.
90815704
90815704 Arum / Ramson's rust (Puccinia sessilis) pustules and lesions on leaves of wild arum, lords and ladies (Arum maculatum) Berkshire, England, UK.© Nigel Cattlin
Arum / Ramson's rust (Puccinia sessilis) pustules and lesions on leaves of wild arum, lords and ladies (Arum maculatum) Berkshire, England, UK.
90815703
90815703 Arum / Ramson's rust (Puccinia sessilis) pustules and lesions on leaves of wild arum, lords and ladies (Arum maculatum) Berkshire, England, UK.© Nigel Cattlin
Bacterial leaf streak (Xanthomonas oryzae pv oryzicola) disease on Rice (Oryza sativa) leaves, Luzon, Philippines
90815620
90815620 Bacterial leaf streak (Xanthomonas oryzae pv oryzicola) disease on Rice (Oryza sativa) leaves, Luzon, Philippines© Nigel Cattlin
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