| 5476327 |
powdery mildew |
Podosphaera xanthii |
The Cucurbit Powdery mildew fungus, Podosphaera xanthii, as seen on a section of a pumpkin leaf on a microscope slide. The image is in black and white. |
| 5476330 |
powdery mildew |
Podosphaera xanthii |
Asexual spores (conidia) of the Cucurbit Powdery mildew fungus, Podosphaera xanthii. The spores were not exposed to 3% KOH solution. |
| 5476328 |
powdery mildew |
Podosphaera xanthii |
Chains of asexual spores (conidia) of the Cucurbit Powdery mildew fungus, Podosphaera xanthii, as seen on a section of a pumpkin leaf on a microscope slide. The image is in black and white. |
| 5476329 |
powdery mildew |
Podosphaera xanthii |
Asexual spore-producing stractures (conidiophores) and spores (conidia) of the Cucurbit Powdery mildew fungus, Podosphaera xanthii. The fungal structures were not exposed to 3% KOH solution. |
| 5476323 |
powdery mildew |
Podosphaera xanthii |
Close-up of the upper surface of a single pumpkin leaf showing the characteristic white fungal growth of the Cucurbit Powdery mildew fungus, Podosphaera xanthii. |
| 5476324 |
powdery mildew |
Podosphaera xanthii |
Close-up of the characteristic white fungal growth of the Cucurbit Powdery mildew fungus, Podosphaera xanthii. Asexual spores (conidia) of the fungus can be seen in chains. |
| 5476322 |
powdery mildew |
Podosphaera xanthii |
Section of the upper surface of a single pumpkin leaf infected with the Cucurbit Powdery mildew fungus, Podosphaera xanthii. |
| 5476326 |
powdery mildew |
Podosphaera xanthii |
Close-up of spore-producing bodies (conidiophores) and chains of asexual spores (conida) of the Cucurbit Powdery mildew fungus, Podosphaera xanthii. |
| 5476325 |
powdery mildew |
Podosphaera xanthii |
Spore-producing bodies (conidiophores) and chains of asexual spores (conida) of the Cucurbit Powdery mildew fungus, Podosphaera xanthii. |
| 5475193 |
anthracnose |
Colletotrichum spp. |
Tomato fruit with an advanced stage of the disease called Anthracnose caused by the fungus Collectotrichum. Spore-producing structures (acervuli) are seen with black hairs called setae. Blisters are newly developing spore-producing structures. |
| 5473253 |
leaf scorch |
Diplocarpon earlianum |
Close-up of two acervular conidiomata exuding conidia of Marssonina fragariae, the anamorph of Diplocarpon earlianum, the cause of strawberry leaf scorch. |
| 5473254 |
leaf scorch |
Diplocarpon earlianum |
Darkfield observation of three acervular conidiomata of Marssonina fragariae, the anamorph of Diplocarpon earlianum, the cause of strawberry leaf scorch. |
| 5473255 |
leaf scorch |
Diplocarpon earlianum |
Darkfield observation of one acervular conidioma with conidia of Marssonina fragariae, the anamorph of Diplocarpon earlianum, the cause of strawberry leaf scorch. |
| 5473256 |
leaf scorch |
Diplocarpon earlianum |
Conidia of Marssonina fragariae, the anamorph of Diplocarpon earlianum, the cause of strawberry leaf scorch. |
| 5475194 |
anthracnose |
Colletotrichum spp. |
Spores of a species of the fungus Collectotrichum which causes the disease Anthracnose on tomato. |
| 5475195 |
anthracnose |
Colletotrichum spp. |
Spores, with spore measurements, of a species of the fungus Collectotrichum which causes the disease Anthracnose on tomato. |
| 5475185 |
anthracnose |
Colletotrichum spp. |
Tomato fruit with the disease called Anthracnose caused by the fungus Collectotrichum. Spore-producing structures (acervuli) are at an early stage of development. |
| 5475186 |
anthracnose |
Colletotrichum spp. |
Tomato fruit with the disease called Anthracnose caused by the fungus Collectotrichum. Spore-producing structures (acervuli) are at an early stage of development. |
| 5475187 |
anthracnose |
Colletotrichum spp. |
Tomato fruit with the disease called Anthracnose caused by the fungus Collectotrichum. Spore-producing structures (acervuli) are seen erupting through the surface skin of the fruit. |
| 5475190 |
anthracnose |
Colletotrichum spp. |
Tomato fruit with an advanced stage of the disease called Anthracnose caused by the fungus Collectotrichum. Tan masses of spores are produced. |
| 5475191 |
anthracnose |
Colletotrichum spp. |
Tomato fruit with an advanced stage of the disease called Anthracnose caused by the fungus Collectotrichum. Tan masses of spores are produced along with black hairs called setae. |
| 5475192 |
anthracnose |
Colletotrichum spp. |
Tomato fruit with an advanced stage of the disease called Anthracnose caused by the fungus Collectotrichum. Spore-producing structures (acervuli) are seen with black hairs called setae. |
| 5473250 |
leaf scorch |
Diplocarpon earlianum |
Strawberry leaf with spotting due to the fungal disease Leaf scorch caused by Diplocarpon earlianum. |
| 5473251 |
leaf scorch |
Diplocarpon earlianum |
Strawberry leaf with spotting due to the fungal disease Leaf scorch caused by Diplocarpon earlianum. |
| 5473252 |
leaf scorch |
Diplocarpon earlianum |
Close-up of a single leaf spot on a strawberry leaf due to the fungal disease Leaf scorch caused by Diplocarpon earlianum. Several dark brown to black acervular conidiomata of the anamorph Marssonina fragariae can be seen within the spot. |
| 5430015 |
anthracnose |
Colletotrichum orbiculare |
Darkfield microscopy showing spore-producing bodies ("acervuli") with dark sterile hairs ("setae"). |
| 5430016 |
anthracnose |
Colletotrichum orbiculare |
Darkfield microscopy showing spore-producing bodies ("acervuli") with dark sterile hairs ("setae"). |
| 5430017 |
anthracnose |
Colletotrichum orbiculare |
Darkfield microscopy showing spore-producing bodies ("acervuli") with dark sterile hairs ("setae"). |
| 5430018 |
anthracnose |
Colletotrichum orbiculare |
Darkfield microscopy showing a single spore-producing body ("acervulus) with dark sterile hairs ("setae") and spores faintly visible. |
| 5430056 |
peach leaf curl |
Taphrina deformans |
Whole peach tree with many leaves with the disease Peach leaf curl |
| 5430057 |
peach leaf curl |
Taphrina deformans |
Single leaf with symptoms of Peach leaf curl |
| 5430058 |
peach leaf curl |
Taphrina deformans |
Several leaves with symptoms of Peach leaf curl |
| 5405332 |
anthracnose |
Colletotrichum orbiculare |
Single infected area with clumped stromata covered in light tan-orange conidia. |
| 5405333 |
anthracnose |
Colletotrichum orbiculare |
Close-up of clumped stromata covered in light tan-orange conidia. |
| 5405334 |
anthracnose |
Colletotrichum orbiculare |
Spores of Colletotrichum orbiculare. |
| 5405335 |
anthracnose |
Colletotrichum orbiculare |
Spores of Colletotrichum orbiculare. |
| 5430067 |
dry rot of ears and stalks of maize |
Stenocarpella macrospora |
pycnidium of Stenocarpella macospora embedded in leaf tissue and conidia |
| 5430068 |
dry rot of ears and stalks of maize |
Stenocarpella macrospora |
conidia of Stenocarpella macrospora |
| 5430069 |
dry rot of ears and stalks of maize |
Stenocarpella macrospora |
conidia of Stenocarpella macrospora |
| 5430060 |
leaf mold |
Passalora fulva |
Conidia and conidiophores of Mycovellosiella fulva. |
| 5430061 |
leaf mold |
Passalora fulva |
Conidia and conidiophores of Mycovellosiella fulva. |
| 5430059 |
leaf mold |
Passalora fulva |
Conidia and conidiophores of Mycovellosiella fulva. |
| 5424434 |
Marssonina leaf spots |
Marssonina spp. |
Close-up of one spot on lower surface of leaf with a single spore-producing body ("acervulus"). |
| 5424435 |
Marssonina leaf spots |
Marssonina spp. |
Close-up of one spot on lower surface of leaf with a single spore-producing body ("acervulus"). |
| 5424436 |
Marssonina leaf spots |
Marssonina spp. |
Close-up of one spot on lower surface of leaf with a single spore-producing body ("acervulus"). |
| 5424437 |
Marssonina leaf spots |
Marssonina spp. |
Spores of a species of the fungus Marssonina. |
| 5430011 |
anthracnose |
Colletotrichum orbiculare |
Close-up of spots with circular arrangment of spore-producing bodies ("acervuli") |
| 5430012 |
anthracnose |
Colletotrichum orbiculare |
Close-up of spots with circular arrangment of spore-producing bodies ("acervuli") |
| 5430013 |
anthracnose |
Colletotrichum orbiculare |
Close-up of spots with circular arrangment of spore-producing bodies ("acervuli") |
| 5430014 |
anthracnose |
Colletotrichum orbiculare |
Close-up of single spot with circular arrangment of spore-producing bodies ("acervuli") with dark sterile hairs ("setae") |
| 5429990 |
Phyllosticta leaf spot |
Phyllosticta cotoneastri |
Leaf spots on a Cotoneaster sp. |
| 5429991 |
Phyllosticta leaf spot |
Phyllosticta cotoneastri |
Black pycnidia can be seen within the brown, infected leaf tissue. |
| 5429992 |
Phyllosticta leaf spot |
Phyllosticta cotoneastri |
Black pycnidia can be seen within the brown, infected leaf tissue seen under darkfield observation. |
| 5429993 |
Phyllosticta leaf spot |
Phyllosticta cotoneastri |
A single pycnidium with emerging conidia. |
| 5429994 |
Phyllosticta leaf spot |
Phyllosticta cotoneastri |
Black pycnidia can be seen within the brown, infected leaf tissue. |
| 5430006 |
Phyllosticta leaf spot |
Phyllosticta cotoneastri |
Close-up of conidia of Phyllosticta cotoneastri. |
| 5430004 |
Cercospora leaf spot |
Cercospora medicaginis |
Numerous, small, black conidiophores within the leaf spots under darkfield observation |
| 5430005 |
Cercospora leaf spot |
Cercospora medicaginis |
Close-up of the basal cells of a conidiophore fascicle |
| 5429972 |
Cercospora leaf spot |
Cercospora medicaginis |
Conidia of Cercospora medicaginis |
| 5429973 |
Cercospora leaf spot |
Cercospora medicaginis |
Conidia of Cercospora medicaginis and a single conidiophore fascicle |
| 5429974 |
Cercospora leaf spot |
Cercospora medicaginis |
Conidia of Cercospora medicaginis |
| 5429975 |
Cercospora leaf spot |
Cercospora medicaginis |
Conidia of Cercospora medicaginis |
| 5429998 |
Cercospora leaf spot |
Cercospora medicaginis |
Numerous, small, black conidiophores and silver-colored conidia within the leaf spots |
| 5429999 |
Cercospora leaf spot |
Cercospora medicaginis |
Numerous, small, black conidiophores and silver-colored conidia within the leaf spots |
| 5430001 |
Cercospora leaf spot |
Cercospora medicaginis |
Numerous, small, black conidiophores and silver-colored conidia within the leaf spots |
| 5430002 |
Cercospora leaf spot |
Cercospora medicaginis |
Numerous, small, black conidiophores within the leaf spots under darkfield observation |
| 5430003 |
Cercospora leaf spot |
Cercospora medicaginis |
Numerous, small, black conidiophores within the leaf spots under darkfield observation |
| 5405268 |
leaf blight |
Drechslera gigantea |
Close-up of one area of blighted tissue. |
| 5405269 |
leaf blight |
Drechslera gigantea |
Close-up of one spot showing short, dark condiophores and longer, lighter-colored spores. |
| 5405270 |
leaf blight |
Drechslera gigantea |
Close-up of one spot showing short, dark condiophores and longer, lighter-colored spores. |
| 5405271 |
leaf blight |
Drechslera gigantea |
Conidiophores and stained spores of Drechslera gigantea on leaf surface. |
| 5405272 |
leaf blight |
Drechslera gigantea |
Measurement of single stained spore of Drechslera gigantea on leaf surface. |
| 5405273 |
leaf blight |
Drechslera gigantea |
Single stained spore of Drechslera gigantea on leaf surface. |
| 5405274 |
leaf blight |
Drechslera gigantea |
Single stained spore of Drechslera gigantea on leaf surface. |
| 5405275 |
leaf blight |
Drechslera gigantea |
Measurement of single stained spore of Drechslera gigantea on leaf surface. |
| 5405308 |
gray leaf spot |
Magnaporthe grisea |
Individual spot infections of Pyricularia grisea the cause of Gray leaf spot. |
| 5405309 |
gray leaf spot |
Magnaporthe grisea |
Close-up of two spots infected with Pyricularia grisea the cause of Gray leaf spot. |
| 5405310 |
gray leaf spot |
Magnaporthe grisea |
Close-up of a single spot infected with Pyricularia grisea the cause of Gray leaf spot. There is a patch of gray-green colored condiophores and conidia just above and along the midrib. |
| 5405311 |
gray leaf spot |
Magnaporthe grisea |
Close-up of two spots infected with Pyricularia grisea the cause of Gray leaf spot. |
| 5405312 |
gray leaf spot |
Magnaporthe grisea |
Close-up of a single spot infected with Pyricularia grisea the cause of Gray leaf spot. There is a patch of gray-green colored condiophores and conidia between two main veins of the leaf. |
| 5405313 |
gray leaf spot |
Magnaporthe grisea |
An image of the spores and stained mycelia of the fungus, Pyricularia grisea. |
| 5405314 |
gray leaf spot |
Magnaporthe grisea |
Close-up of the spores of the fungus, Pyricularia grisea along with some stained mycelia. |
| 5405319 |
leaf blight (Isariopsis leaf spot) |
Mycosphaerella personata |
Single spot with dark green-black "synnemata", clusters of conidiophores and conidia, coming up from infected tissue. |
| 5405320 |
leaf blight (Isariopsis leaf spot) |
Mycosphaerella personata |
View across single spot with dark green-black "synnemata", clusters of conidiophores and conidia, coming up from infected tissue. |
| 5405321 |
leaf blight (Isariopsis leaf spot) |
Mycosphaerella personata |
Close-up of dark green-black "synnemata", clusters of conidiophores and conidia, coming up from infected tissue. |
| 5405322 |
leaf blight (Isariopsis leaf spot) |
Mycosphaerella personata |
Synnemata with conidia of the asexual fungus, Pseudocercospora vitis. |
| 5405323 |
leaf blight (Isariopsis leaf spot) |
Mycosphaerella personata |
Synnema with conidia of the asexual fungus, Pseudocercospora vitis. |
| 5405324 |
leaf blight (Isariopsis leaf spot) |
Mycosphaerella personata |
Conidia beginning to form on a synnema of the asexual fungus, Pseudocercospora vitis. |
| 5405325 |
leaf blight (Isariopsis leaf spot) |
Mycosphaerella personata |
Conidia of the asexual fungus, Pseudocercospora vitis. |
| 5405354 |
Rhizosphaera needle cast |
Rhizosphaera kalkhoffii |
Pycnidia and conidia of the fungus Rhizosphaera kalkhoffii under dark-field observation. |
| 5405344 |
Pseudocercospora leaf spot |
Pseudocercospora vitis |
Close-up of a large, brown blotch on the upper leaf surface caused by the fungus Pseudocercospora vitis. |
| 5405345 |
Pseudocercospora leaf spot |
Pseudocercospora vitis |
Light shown at a steep angle to the upper leaf surface surface illuminating random tufts which are "synnemata", the spore-producing bodies of the fungus Pseudocercospora vitis. |
| 5405346 |
Pseudocercospora leaf spot |
Pseudocercospora vitis |
View across single spot with dark green-black "synnemata" of Pseudocercospora vitis, which are clusters of conidiophores and conidia, coming up from infected tissue. |
| 5405347 |
Pseudocercospora leaf spot |
Pseudocercospora vitis |
Close-up view across single spot with dark green-black "synnemata" of Pseudocercospora vitis, which are clusters of conidiophores and conidia, coming up from infected tissue. |
| 5405348 |
Pseudocercospora leaf spot |
Pseudocercospora vitis |
Close-up of single dark green-black "synnema" of Pseudocercospora vitis, which are clusters of conidiophores and conidia, coming up from infected tissue. |
| 5405349 |
Rhizosphaera needle cast |
Rhizosphaera kalkhoffii |
Brown, infected needle with pycnidia of the fungus Rhizosphaera kalkhoffii coming from the stomata. |
| 5405350 |
Rhizosphaera needle cast |
Rhizosphaera kalkhoffii |
Brown, infected needle with pycnidia of the fungus Rhizosphaera kalkhoffii coming from the stomata. |
| 5405351 |
Rhizosphaera needle cast |
Rhizosphaera kalkhoffii |
Brown, infected needle with pycnidia of the fungus Rhizosphaera kalkhoffii coming from the stomata. |
| 5405352 |
Rhizosphaera needle cast |
Rhizosphaera kalkhoffii |
Close-up of infected needle with pycnidia of the fungus Rhizosphaera kalkhoffii coming from the stomata. |
| 5405353 |
Rhizosphaera needle cast |
Rhizosphaera kalkhoffii |
Pycnidia and conidia of the fungus Rhizosphaera kalkhoffii under dark-field observation. |
| 5405355 |
Rhizosphaera needle cast |
Rhizosphaera kalkhoffii |
Pycnidia and conidia of the fungus Rhizosphaera kalkhoffii. |
| 5405356 |
Rhizosphaera needle cast |
Rhizosphaera kalkhoffii |
Pycnidium and conidia of the fungus Rhizosphaera kalkhoffii. |
| 5405357 |
Rhizosphaera needle cast |
Rhizosphaera kalkhoffii |
Conidia of the fungus Rhizosphaera kalkhoffii. |
| 5405358 |
Rhizosphaera needle cast |
Rhizosphaera kalkhoffii |
Conidia of the fungus Rhizosphaera kalkhoffii. |
| 5369075 |
Pestalotiopsis leaf spot |
Pestalotiopsis spp. |
Spores of a species of the fungus Pestalotiopsis. |
| 5385787 |
Marssonina leaf spots |
Marssonina spp. |
Close-up of one spot on lower surface of leaf with a single spore-producing body ("acervulus"). |
| 5385788 |
Marssonina leaf spots |
Marssonina spp. |
Close-up of one spot on lower surface of leaf with a single spore-producing body ("acervulus"). |
| 5385789 |
Marssonina leaf spots |
Marssonina spp. |
Close-up of one spot on lower surface of leaf with a single spore-producing body ("acervulus"). |
| 5385790 |
Marssonina leaf spots |
Marssonina spp. |
Spores of a species of the fungus Marssonina. |
| 5385827 |
Phomopsis leaf blight and fruit rot |
Phomopsis obscurans |
A single, brown, blighted area of a leaf |
| 5385828 |
Phomopsis leaf blight and fruit rot |
Phomopsis obscurans |
Close-up of brown, blighted area with small, round, darker brown spore-producing bodies ("pycnidia") |
| 5385829 |
Phomopsis leaf blight and fruit rot |
Phomopsis obscurans |
Close-up of brown, blighted area with small, round, darker brown spore-producing bodies ("pycnidia") |
| 5385830 |
Phomopsis leaf blight and fruit rot |
Phomopsis obscurans |
Close-up of brown, blighted area with small, round, darker brown spore-producing bodies ("pycnidia") |
| 5385831 |
Phomopsis leaf blight and fruit rot |
Phomopsis obscurans |
Dark-field observation with several spore-producing bodies ("pycnidia") with a measurement scale |
| 5385832 |
Phomopsis leaf blight and fruit rot |
Phomopsis obscurans |
Dark-field observation with several spore-producing bodies ("pycnidia") with a measurement scale |
| 5385833 |
Phomopsis leaf blight and fruit rot |
Phomopsis obscurans |
Dark-field observation of one spore-producing body ("pycnidium") and asexual spores with a measurement scale |
| 5385834 |
Phomopsis leaf blight and fruit rot |
Phomopsis obscurans |
Dark-field observation of one spore-producing body ("pycnidium") and asexual spores with a measurement scale |
| 5385835 |
Phomopsis leaf blight and fruit rot |
Phomopsis obscurans |
Spores of the fungus Phomopsis obscurans with measurement scale. |
| 5385837 |
anthracnose |
Colletotrichum spp. |
Close-up of rotted area of fruit |
| 5385838 |
anthracnose |
Colletotrichum spp. |
Close-up of rotted area of fruit showing orange, cushion-like, spore-producing structures ("acervuli") |
| 5385839 |
anthracnose |
Colletotrichum spp. |
Close-up of rotted area of fruit showing orange, cushion-like, spore-producing structures ("acervuli") |
| 5385840 |
anthracnose |
Colletotrichum spp. |
Close-up of rotted area of fruit showing orange, cushion-like, spore-producing structures ("acervuli") |
| 5385841 |
anthracnose |
Colletotrichum spp. |
Spores of the fungus Colletotrichum with measurement scale |
| 5385842 |
anthracnose |
Colletotrichum spp. |
Spores of the fungus Colletotrichum with measurement scale |
| 5385843 |
anthracnose |
Colletotrichum spp. |
Spores of the fungus Colletotrichum with measurement scale |
| 5385844 |
anthracnose |
Colletotrichum spp. |
Spores of the fungus Colletotrichum with measurement scale and direct measurement of some individual spores |
| 5385845 |
Septoria leaf spot of wheat |
Septoria tritici |
Long, browned area of infection which is a coalescing of several infected leaf spots |
| 5385846 |
Septoria leaf spot of wheat |
Septoria tritici |
Long, browned area of infection with small, black spore-producing bodies ("pycnidia") |
| 5385847 |
Septoria leaf spot of wheat |
Septoria tritici |
Browned area of infection with small, black spore-producing bodies ("pycnidia") |
| 5385848 |
Septoria leaf spot of wheat |
Septoria tritici |
Dark-field observation of infected leaf tissue with many spore-producing bodies ("pycnidia") and a measurement scale |
| 5385849 |
Septoria leaf spot of wheat |
Septoria tritici |
Dark-field observation of infected leaf tissue with several spore-producing bodies ("pycnidia") and a measurement scale |
| 5385850 |
Septoria leaf spot of wheat |
Septoria tritici |
Dark-field observation of infected leaf tissue with one spore-producing body ("pycnidium") and a measurement scale |
| 5385851 |
Septoria leaf spot of wheat |
Septoria tritici |
Asexual spores of the fungus Septoria tritici with a measurement scale |
| 5385852 |
Septoria leaf spot of wheat |
Septoria tritici |
Asexual spores of the fungus Septoria tritici with a measurement scale and measurement of some individual spores |
| 5385855 |
leaf blotch |
Stagonospora nodorum |
Close-up of oval-shaped, brown spots with a yellow border on infected leaves |
| 5385856 |
leaf blotch |
Stagonospora nodorum |
Close-up of oval-shaped, brown spots with a yellow border on infected leaves |
| 5385857 |
leaf blotch |
Stagonospora nodorum |
Close-up of an oval-shaped, brown spot with a yellow border with reddish-colored spore-producing bodies ("pycnidia") barely visible against the color of the surrounding infected tissue. |
| 5385858 |
leaf blotch |
Stagonospora nodorum |
Close-up of an oval-shaped, brown spot with a yellow border and reddish-colored spore-producing bodies ("pycnidia") barely visible against the color of the surrounding infected tissue. |
| 5385859 |
leaf blotch |
Stagonospora nodorum |
Close-up of an oval-shaped, brown spot with a yellow border and reddish-colored spore-producing bodies ("pycnidia") barely visible against the color of the surrounding infected tissue. |
| 5385860 |
leaf blotch |
Stagonospora nodorum |
Close-up of an oval-shaped, brown spot with a yellow border and reddish-colored spore-producing bodies ("pycnidia") barely visible against the color of the surrounding infected tissue. |
| 5385861 |
leaf blotch |
Stagonospora nodorum |
Dark-field observation of infected leaf tissue with many spore-producing bodies ("pycnidia") and a measurement scale |
| 5385862 |
leaf blotch |
Stagonospora nodorum |
Dark-field observation of infected leaf tissue with several spore-producing bodies ("pycnidia") and a measurement scale |
| 5385863 |
leaf blotch |
Stagonospora nodorum |
Dark-field observation of infected leaf tissue with several spore-producing bodies ("pycnidia") and spores with a measurement scale |
| 5385864 |
leaf blotch |
Stagonospora nodorum |
Dark-field observation of asexual spores of the fungus Stagonospora nodorum with a measurement scale |
| 5385865 |
leaf blotch |
Stagonospora nodorum |
Asexual spores of the fungus Stagonospora nodorum with a measurement scale |
| 5385866 |
leaf blotch |
Stagonospora nodorum |
Asexual spores of the fungus Stagonospora nodorum with a measurement scale and measurement of some individual spores |
| 5368840 |
Cercosporella leaf spots |
Cercosporella spp. |
conidiophores of the fungus pertruding from the surface of a flower bud |
| 5368841 |
Cercosporella leaf spots |
Cercosporella spp. |
spores called "conidia" |
| 5369001 |
gray leaf spot |
Magnaporthe grisea |
gray fuzzy growth of Pyricularia grisea |
| 5369002 |
gray leaf spot |
Magnaporthe grisea |
condia of Pyricularia grisea |
| 5368278 |
Alternaria leaf blight |
Alternaria cucumerina |
Close-up of infected spot where dark dashes are the asexual spores. |
| 5368279 |
Alternaria leaf blight |
Alternaria cucumerina |
Close-up of infected spot where dark dashes are the asexual spores. |
| 5368280 |
Alternaria leaf blight |
Alternaria cucumerina |
Close-up of infected spot where dark dashes are the asexual spores. |
| 5368355 |
Phyllosticta leaf spots |
Phyllosticta spp. |
A single leaf spot with small, black spore-producing bodies ("pycnidia") with white ooze containing spores. |
| 5368356 |
Phyllosticta leaf spots |
Phyllosticta spp. |
Black spore-producing bodies ("pycnidia") under dark-field observation. |
| 5368357 |
Phyllosticta leaf spots |
Phyllosticta spp. |
Black spore-producing bodies ("pycnidia") with spores oozing out under dark-field observation. |
| 5368358 |
Phyllosticta leaf spots |
Phyllosticta spp. |
Spores oozing from infected tissue under dark-field observation. |
| 5368359 |
Phyllosticta leaf spots |
Phyllosticta spp. |
Conidia of a species of the fungus Phyllosticta. |
| 5368360 |
Phyllosticta leaf spots |
Phyllosticta spp. |
Conidia of a species of the fungus Phyllosticta. |
| 5368416 |
dry rot of ears and stalks of maize |
Stenocarpella macrospora |
tan, necrotic leaf tissue in fairly large oval spots similar in size to that seen with Northern corn leaf blight |
| 5368417 |
dry rot of ears and stalks of maize |
Stenocarpella macrospora |
pycnidia of Stenocarpella macospora embedded in leaf tissue |
| 5368418 |
dry rot of ears and stalks of maize |
Stenocarpella macrospora |
conidia of Stenocarpella macrospora |
| 5368433 |
pine needle rusts |
Coleosporium spp. |
Underside of infected leaf with rust pustules. |
| 5368434 |
pine needle rusts |
Coleosporium spp. |
Rust pustules with urediniospores on lower leaf surface. |
| 5368435 |
pine needle rusts |
Coleosporium spp. |
Rust pustules with urediniospores seen in dark-field observation. |
| 5368436 |
pine needle rusts |
Coleosporium spp. |
Close-up of urediniospores showing echinulate outer surface. |
| 5368490 |
rust |
Tranzschelia spp. |
Close-up of one pustule with urediniospores. |
| 5368491 |
rust |
Tranzschelia spp. |
Close-up of one pustule with urediniospores under dark-field observation. |
| 5368492 |
rust |
Tranzschelia spp. |
Close-up of urediniospores showing echinulate surface under dark-field observation. |
| 5368493 |
rust |
Tranzschelia spp. |
Urediniospores of a species of the fungus Tranzschelia. |
| 5368495 |
Phloeosporella fungus |
Phloeosporella padi |
dark brown leaf spots with red border |
| 5368496 |
Phloeosporella fungus |
Phloeosporella padi |
Spore-producing bodies ("acervuli") with spores oozing out in tendrils |
| 5368497 |
Phloeosporella fungus |
Phloeosporella padi |
Spore-producing bodies ("acervuli") with spores oozing out in tendrils |
| 5368498 |
Phloeosporella fungus |
Phloeosporella padi |
Spore-producing bodies ("acervuli") with spores oozing out in tendrils |
| 5368499 |
Phloeosporella fungus |
Phloeosporella padi |
Spore-producing bodies ("acervuli") with spores oozing out in tendrils |
| 5368500 |
Phloeosporella fungus |
Phloeosporella padi |
Spores of the fungus Phloeosporella padi |
| 5368501 |
rust |
Tranzschelia spp. |
Minute, raised spots surrounded by light green/white leaf tissue. Larger spots at the perimiter of image are infections of the fungus Phloeosporella padi. |
| 5368574 |
Phloeospora leaf spot |
Phloeospora spp. |
Spores of a species of the fungus Phloeospora. |
| 5368697 |
anthracnose |
Colletotrichum orbiculare |
Close-up of infected leaf tissue with spore-producing bodies ("acervuli") with dark sterile hairs ("setae"). |
| 5368698 |
anthracnose |
Colletotrichum orbiculare |
Darkfield microscopy showing spore-producing bodies ("acervuli") with dark sterile hairs ("setae"). |
| 5368699 |
anthracnose |
Colletotrichum orbiculare |
Close-up of spore-producing bodies ("acervuli") with dark sterile hairs ("setae"). |
| 5368700 |
anthracnose |
Colletotrichum orbiculare |
Asexual spores of the fungus Colletotrichum orbiculare. |
| 5368845 |
Entomosporium leaf spot |
Diplocarpon mespili |
Spores of the fungus Entomosporium mespili look like an insect and thus the genus name of the fungus. |
| 5368961 |
black spot |
Diplocarpon rosae |
Close-up of infected area on underside of leaf with slightly raised, dark brown, spore-producing bodies ("acervuli"). |
| 5368962 |
black spot |
Diplocarpon rosae |
Closer view of infected area on underside of leaf with slightly raised, dark brown, spore-producing bodies ("acervuli"). |
| 5368963 |
black spot |
Diplocarpon rosae |
Dark-field observation showing several brown, spore-producing bodies ("acervuli"). |
| 5368964 |
black spot |
Diplocarpon rosae |
Closer dark-field observation showing several brown, spore-producing bodies ("acervuli") with spores. |
| 5368965 |
black spot |
Diplocarpon rosae |
two-celled spores of the anamorph fungus Marssonina rosae. |
| 5369057 |
Septoria leaf spot and cankers |
Septoria spp. |
Close-up of the underside of the leaf showing dark brown, angular spots with gray flecks. |
| 5369058 |
Septoria leaf spot and cankers |
Septoria spp. |
One infected area of leaf where dark brown, spore-producing bodies ("pycnidia") can be seen within the spots. |
| 5369059 |
Septoria leaf spot and cankers |
Septoria spp. |
Close-up of infected area with dark brown, spore-producing bodies ("pycnidia"). |
| 5369060 |
Septoria leaf spot and cankers |
Septoria spp. |
Dark-field observation of long, thin spores of a species of the fungus Septoria. |
| 5369061 |
Septoria leaf spot and cankers |
Septoria spp. |
Long, thin spores of a species of the fungus Septoria. |
| 5369100 |
Stigmina leaf spots |
Stigmina spp. |
Close-up of several symptomatic needles. Note yellow flecking on needles is due to mite injury. |
| 5369101 |
Stigmina leaf spots |
Stigmina spp. |
Needle showing fuzzy, black tufts rising from stomata which are not as well defined as with the needle cast disease caused by the fungus Rhizosphaera. Note yellow flecking on needles is due to mite injury. |
| 5369102 |
Stigmina leaf spots |
Stigmina spp. |
Closer view of needle showing fuzzy, black tufts rising from stomata which are not as well defined as with the needle cast disease caused by the fungus Rhizosphaera. Note yellow flecking on needles is due to mite injury. |
| 5369103 |
Stigmina leaf spots |
Stigmina spp. |
Closest view of needle showing fuzzy, black tufts rising from stomata which are not as well defined as with the needle cast disease caused by the fungus Rhizosphaera. Note yellow flecking on needles is due to mite injury. |
| 5369109 |
strawberry leaf spot |
Mycosphaerella fragariae |
tan-centered spots with a purple border |
| 5369110 |
strawberry leaf spot |
Mycosphaerella fragariae |
patch of tan-colored mycelium in center of spot |
| 5369111 |
strawberry leaf spot |
Mycosphaerella fragariae |
conidiophores and conidia |
| 5369112 |
strawberry leaf spot |
Mycosphaerella fragariae |
conidiophores and conidia |
| 5369113 |
strawberry leaf spot |
Mycosphaerella fragariae |
conidia |
| 5369114 |
strawberry leaf spot |
Mycosphaerella fragariae |
conidia |
| 5369115 |
strawberry leaf spot |
Mycosphaerella fragariae |
a cluster of conidiophores in center of image |
| 5369116 |
strawberry leaf spot |
Mycosphaerella fragariae |
close-up of a cluster of conidiophores under dark-field observation |
| 5369137 |
edema |
|
swelling of leaf cells due to retention of water |
| 5369138 |
edema |
|
swelling of leaf cells due to retention of water |
| 5369139 |
edema |
|
swelling of leaf cells due to retention of water |
| 5369140 |
edema |
|
swelling of leaf cells due to retention of water |
| 5369154 |
rust |
Tranzschelia spp. |
small, medium brown blister with white border |
| 5369155 |
rust |
Tranzschelia spp. |
single pustule with urediniospores on leaf |
| 5369156 |
rust |
Tranzschelia spp. |
cluster of urediniospores under dark-field observation |
| 5369157 |
rust |
Tranzschelia spp. |
cluster of urediniospores under dark-field observation |
| 5369158 |
rust |
Tranzschelia spp. |
close-up of urediniospores |
