| 5492314 |
Cytospora cankers |
Cytospora spp. |
Cytospora/spruce canker: cross section of Cytospora pycnidial stroma |
| 5492315 |
Cytospora cankers |
Cytospora spp. |
The tip of a pycnidial stroma just visible breaking through the bark on a spruce branch with Cytospora canker |
| 5492317 |
Cytospora cankers |
Cytospora spp. |
yellow tendrils of conidia oozing from pycnidial stromata of a Cytospora sp. developing in an infected spruce branch |
| 5492309 |
Cytospora cankers |
Cytospora spp. |
Tendril of spores (conidia) oozing from pycnidial stroma of a Cytospora sp. |
| 5492312 |
Cytospora cankers |
Cytospora spp. |
Pycnidial stromata of Cytospora sp. showing yellowish spores oozing from fruiting bodies after bark cut away and tissue moistened. |
| 5492307 |
Cytospora cankers |
Cytospora spp. |
Pycnidial stromata of Cytospora exposed in bark of a spruce branch |
| 5492308 |
Cytospora cankers |
Cytospora spp. |
Cross section through a pycnidial stroma in bark of a blue spruce branch |
| 5492311 |
Cytospora cankers |
Cytospora spp. |
Pycnidial stromata of Cytospora sp. showing yellowish spores oozing from fruiting bodies after bark was cut away and tissue moistened. |
| 5492316 |
Cytospora cankers |
Cytospora spp. |
Close up of a pycnidial stroma of Cytospora in cross section |
| 5492310 |
Cytospora cankers |
Cytospora spp. |
Pycnidial stromata exposed when bark cut away from spruce canker |
| 5488162 |
Fusarium damping-off |
Fusarium solani |
Hyphae, conidium, and terminal chlamydospore on short hyphal branch. |
| 5484557 |
Cylindrocarpon fungi |
Cylindrocarpon spp. |
Conidium on conidiophore |
| 5484551 |
Phomopsis cankers and twig blights |
Phomopsis spp. |
Host tissue.(Secondary to Dutch elm disease) |
| 5484550 |
Phomopsis cankers and twig blights |
Phomopsis spp. |
Vertical section of pycnidium showing conidiophores.(Secondary to Dutch elm disease) |
| 5484549 |
Phomopsis cankers and twig blights |
Phomopsis spp. |
Vertical section of pycnidium.(Secondary to Dutch elm disease) |
| 5484548 |
Phomopsis cankers and twig blights |
Phomopsis spp. |
Vertical section of pycnidium.(Secondary to Dutch elm disease) |
| 5484547 |
Phomopsis cankers and twig blights |
Phomopsis spp. |
Pycnidium.(Secondary to Dutch elm disease) |
| 5484546 |
Phomopsis cankers and twig blights |
Phomopsis spp. |
Alpha and beta conidia. (Secondary to Dutch elm disease) |
| 5484555 |
Cylindrocarpon fungi |
Cylindrocarpon spp. |
Conidia on agar surface |
| 5484556 |
Cylindrocarpon fungi |
Cylindrocarpon spp. |
Conidia from culture. |
| 5484558 |
Cylindrocarpon fungi |
Cylindrocarpon spp. |
Conidia from culture |
| 5484559 |
Cylindrocarpon fungi |
Cylindrocarpon spp. |
Conidium on conidiophore |
| 5484560 |
Cylindrocarpon fungi |
Cylindrocarpon spp. |
Conidia on conidiophores |
| 5484561 |
Cylindrocarpon fungi |
Cylindrocarpon spp. |
Symptomatic plant with rotted roots |
| 5485243 |
Phomopsis cankers and twig blights |
Phomopsis spp. |
Vertical section of pycnidium with alpha conidia on conidiophores. Beta spores absent. |
| 5485242 |
Phomopsis blight |
Phomopsis juniperivora |
Alpha conidia- Oil droplets indistinct. |
| 5485241 |
Phomopsis blight |
Phomopsis juniperivora |
Vertical section of pycnidium with alpha conidia on conidiophores. Beta spores absent. |
| 5485240 |
Phomopsis blight |
Phomopsis juniperivora |
Vertical section of pycnidium. Beta spores absent. |
| 5485239 |
Phomopsis blight |
Phomopsis juniperivora |
Vertical section of pycnidium. Beta spores absent. |
| 5485238 |
Phomopsis blight |
Phomopsis juniperivora |
Vertical section of pycnidium. Beta spores absent. |
| 5485237 |
Phomopsis blight |
Phomopsis juniperivora |
Pycnidia in leaf tissue. |
| 5485236 |
Phomopsis blight |
Phomopsis juniperivora |
Single pycnidium evident at leaf base. |
| 5434382 |
Phomopsis cankers and twig blights |
Phomopsis spp. |
Tsuga canadensis 'Pendula' |
| 5434380 |
Phomopsis cankers and twig blights |
Phomopsis spp. |
Asexual Spores
Tsuga canadensis 'Pendula' |
| 5459151 |
Phomopsis cankers and twig blights |
Phomopsis spp. |
Alpha conidia |
| 4823018 |
Inonotus heartrot |
Inonotus rickii |
Advanced wood decay. Note the distinct, narrow darkened zones of sound wood at the martgins of the decayed wood. |
| 4822090 |
Neonectria canker |
Neonectria galligena |
Red-orange spherical perithecia wich occur singly or in clusters in the fissured bark of infected stems |
| 5430490 |
Nectria canker |
Nectria spp. |
Nectria canker fungal fruiting bodies on silver maple |
| 5429785 |
Botryosphaeria rots and cankers |
Botryosphaeria spp. |
woody ornamental sample with botryosphaeria growing from cut edges |
| 5429786 |
Botryosphaeria rots and cankers |
Botryosphaeria spp. |
woody ornamental sample with botryosphaeria growing from cut edges |
| 5411433 |
Cytospora cankers |
Cytospora spp. |
orange cirrhi (ribbon-like mass of spores) exuded from pycnidia |
| 5411434 |
Cytospora cankers |
Cytospora spp. |
Fungal condia |
| 5411399 |
Cytospora cankers |
Cytospora spp. |
cankered branch |
| 5411400 |
Cytospora cankers |
Cytospora spp. |
cankered branch |
| 5411365 |
Botryosphaeria rots and cankers |
Botryosphaeria spp. |
cankered area on branch |
| 5411366 |
Botryosphaeria rots and cankers |
Botryosphaeria spp. |
cankered branch |
| 5427596 |
Thousand Cankers Disease |
Geosmithia morbida |
conidia |
| 5427595 |
Thousand Cankers Disease |
Geosmithia morbida |
conidia view under Nomarski Optics |
| 5427594 |
Thousand Cankers Disease |
Geosmithia morbida |
conidia viewed under phase contrast |
| 5406096 |
Thousand Cankers Disease |
Geosmithia morbida |
Canker development around walnut twig beetle gallery in English walnut. |
| 5406094 |
Thousand Cankers Disease |
Geosmithia morbida |
Canker development around walnut twig beetle gallery in English walnut. |
| 5406090 |
Thousand Cankers Disease |
Geosmithia morbida |
Walnut twig beetle galleries and cankers in trunk of hybrid walnut. Associated with walnut twig beetle. |
| 5406091 |
Thousand Cankers Disease |
Geosmithia morbida |
Walnut twig galleries and cankers in branch of hybrid walnut. Associated with walnut twig beetle. |
| 5406100 |
Thousand Cankers Disease |
Geosmithia morbida |
Geosmithia conidiophores and conidia. |
| 5406101 |
Thousand Cankers Disease |
Geosmithia morbida |
Cultured Geosmithia colony in yeast phase. |
| 5406103 |
Thousand Cankers Disease |
Geosmithia morbida |
Cultured Geosmithia colony in yeast phase. |
| 5406102 |
Thousand Cankers Disease |
Geosmithia morbida |
Cultured Geosmithia colony in yeast phase. |
| 5406099 |
Thousand Cankers Disease |
Geosmithia morbida |
Geosmithia in PDA agar growing from walnut twig beetle. View from underside of Petri dish.
|
| 5406097 |
Thousand Cankers Disease |
Geosmithia morbida |
Sporulating Geosmithia in PDA agar. |
| 5406098 |
Thousand Cankers Disease |
Geosmithia morbida |
Sporulating Geosmithia in PDA agar. View from underside of Petri dish. |
| 5408096 |
gray molds |
Botrytis spp. |
|
| 5338043 |
fire blight |
Erwinia amylovora |
|
| 5338044 |
fire blight |
Erwinia amylovora |
|
| 5389732 |
twig canker |
Lepteutypa cupressi |
Seiridium canker on Leyland cypress |
| 5389736 |
twig canker |
Lepteutypa cupressi |
Seiridium canker on Leyland cypress |
| 5389737 |
twig canker |
Lepteutypa cupressi |
Seiridium canker on Leyland cypress |
| 5389738 |
twig canker |
Lepteutypa cupressi |
Seiridium canker on Leyland cypress |
| 5334072 |
Sphaeropsis tip blights and cankers |
Sphaeropsis spp. |
|
| 4822035 |
Inonotus heartrot |
Inonotus rickii |
Stem cross sections showing advanced wood decay. Note the distinct, narrow darkened zones of sound wood at the margins of the decayed wood. |
| 4822036 |
Inonotus heartrot |
Inonotus rickii |
longitudinal stem section showing advanced wood decay. Note the distinct, narrow darkened zones of sound wood at the margins of the decayed wood.. |
| 5334080 |
orange hobnail canker |
Cryphonectria gyrosa |
|
| 5368403 |
Cercospora fungi |
Cercospora spp. |
Leaves with small, tan centered spots with darker brown borders. |
| 5368404 |
Cercospora fungi |
Cercospora spp. |
Single leaf with small, tan centered spots with darker brown borders. |
| 5368405 |
Cercospora fungi |
Cercospora spp. |
Dark-field view of infected tissue with spore-producing hyphae ("conidiophores") seen as dark, fuzzy clumps, with long, thin, clear spores attached. |
| 5368406 |
Cercospora fungi |
Cercospora spp. |
Long, thin spores of a species of the fungus Cercospora. |
| 5369068 |
Cercospora fungi |
Cercospora spp. |
Leaves with random purple/brown spots. |
| 5369069 |
Cercospora fungi |
Cercospora spp. |
Close-up of leaves with random purple/brown spots. |
| 5369070 |
Cercospora fungi |
Cercospora spp. |
Close-up of a single spot showing lighter colored center and darker brown border. |
| 5369071 |
Cercospora fungi |
Cercospora spp. |
Close-up of a single spot with two clumps of spore-producing hyphae ("conidiophores"). |
| 5369072 |
Cercospora fungi |
Cercospora spp. |
Spore-producing hyphae ("conidiophores") and spores under dark-field observation. |
| 5369073 |
Cercospora fungi |
Cercospora spp. |
A single clump of spore-producing hyphae ("conidiophores") and spores under dark-field observation. |
| 5369074 |
Cercospora fungi |
Cercospora spp. |
Spores of a species of the fungus Cercospora. |
| 5334022 |
twig canker |
Lepteutypa cupressi |
|
| 5334013 |
fire blight |
Erwinia amylovora |
|
| 5334014 |
fire blight |
Erwinia amylovora |
|
| 5371930 |
Cytospora cankers |
Cytospora spp. |
|
| 5371925 |
Cytospora cankers |
Cytospora spp. |
|
| 5371889 |
Cylindrocladium blight and root rot |
Cylindrocladium scoparium |
|
| 5371888 |
Cylindrocladium blight and root rot |
Cylindrocladium scoparium |
|
| 5371887 |
Cylindrocladium blight and root rot |
Cylindrocladium scoparium |
|
| 5371886 |
Cylindrocladium blight and root rot |
Cylindrocladium scoparium |
|
| 5371884 |
Cylindrocladium blight and root rot |
Cylindrocladium scoparium |
|
| 5371883 |
Cylindrocladium blight and root rot |
Cylindrocladium scoparium |
|
| 5371882 |
Cylindrocladium blight and root rot |
Cylindrocladium scoparium |
|
| 5371881 |
Cylindrocladium blight and root rot |
Cylindrocladium scoparium |
|
| 5371880 |
Cylindrocladium blight and root rot |
Cylindrocladium scoparium |
|
| 5371879 |
Cylindrocladium blight and root rot |
Cylindrocladium scoparium |
|
| 5371878 |
Cylindrocladium blight and root rot |
Cylindrocladium scoparium |
|
| 5371876 |
Cylindrocladium blight and root rot |
Cylindrocladium scoparium |
|
| 5371875 |
Cylindrocladium blight and root rot |
Cylindrocladium scoparium |
|
| 5371874 |
Cylindrocladium blight and root rot |
Cylindrocladium scoparium |
|
| 5371873 |
Cylindrocladium blight and root rot |
Cylindrocladium scoparium |
|
| 5371871 |
Cylindrocladium blight and root rot |
Cylindrocladium scoparium |
|
| 5371870 |
Cylindrocladium blight and root rot |
Cylindrocladium scoparium |
|
| 5371868 |
Cylindrocladium blight and root rot |
Cylindrocladium scoparium |
|
| 5371867 |
Cylindrocladium blight and root rot |
Cylindrocladium scoparium |
|
| 5371866 |
Cylindrocladium blight and root rot |
Cylindrocladium scoparium |
|
| 5371864 |
Cylindrocladium blight and root rot |
Cylindrocladium scoparium |
|
| 5373365 |
Phytophthora blight |
Phytophthora nicotianae |
|
| 5373361 |
Phytophthora blight |
Phytophthora nicotianae |
|
| 5373362 |
Phytophthora blight |
Phytophthora nicotianae |
|
| 5373363 |
Phytophthora blight |
Phytophthora nicotianae |
|
| 5373364 |
Phytophthora blight |
Phytophthora nicotianae |
|
| 5377619 |
Phytophthora blight |
Phytophthora nicotianae |
|
| 5373330 |
Phytophthora blight |
Phytophthora nicotianae |
|
| 5373331 |
Phytophthora blight |
Phytophthora nicotianae |
|
| 5373111 |
Phomopsis blight |
Phomopsis juniperivora |
|
| 5377615 |
Phomopsis cankers and twig blights |
Phomopsis spp. |
|
| 5373031 |
Nectria canker |
Nectria spp. |
|
| 5373032 |
Nectria canker |
Nectria spp. |
|
| 5373033 |
Nectria canker |
Nectria spp. |
|
| 5373030 |
Nectria canker |
Nectria spp. |
|
| 5373028 |
Nectria canker |
Nectria spp. |
|
| 5372843 |
Kutilakesa fungus |
Kutilakesa pironii |
|
| 5372842 |
Kutilakesa fungus |
Kutilakesa pironii |
|
| 5372815 |
Kutilakesa fungus |
Kutilakesa madreeya |
stem canker |
| 5372816 |
Kutilakesa fungus |
Kutilakesa madreeya |
stem canker with sporodochium |
| 0656085 |
fire blight |
Erwinia amylovora |
Erwinia amylovora infection on Crataegus sp., showing less severe foliar symptoms than on pear. |
| 1473020 |
Hypoxylon canker of aspen |
Entoleuca mammata |
|
| 5366922 |
white heartwood rot |
Phellinus tremulae |
Section of aspen showing decay due to Phellinus tremulae. |
| 5366909 |
Trametes wood decay |
Trametes hirsuta |
Conk of Trametes hirsuta, which causes decay in several species of hardwood trees. |
| 5366908 |
Trametes wood decay |
Trametes hirsuta |
Conk of Trametes hirsuta, which causes decay in several species of hardwood trees. |
| 5366719 |
Cytospora cankers |
Cytospora spp. |
Symptoms of Cytospora canker (Cytospora sp.) on the branch of a willow. |
| 5366709 |
Thyronectria canker |
Thyronectria austroamericana |
Cross-section of a honeylocust trunk showing signs of infection with both Thyronectria canker (Thyronectria austro-americana, yellow coloration) and Nectria canker (Nectria cinnabarina, dark coloration). |
| 5366706 |
Thyronectria canker |
Thyronectria austroamericana |
Symptoms of Thyronectria canker (Thyronectria austro-americana) on the trunk of a honeylocust (Gleditsia triacanthos) tree. |
| 5366707 |
Thyronectria canker |
Thyronectria austroamericana |
Imperfect fruiting bodies of Thyronectria canker (Thyronectria austro-americana) on honeylocust (Gleditsia triacanthos). |
| 5366708 |
Thyronectria canker |
Thyronectria austroamericana |
Microscopic view of the asci of Thyronectria canker (Thyronectria austro-americana) on honeylocust (Gleditsia triacanthos). |
| 5366667 |
Siberian elm canker |
Botryodiplodia hypodermia |
Signs and symptoms of Botryodiplodia canker (Botryodiplodia hypodermia) on an elm trunk. |
| 5356715 |
Cytospora cankers |
Cytospora spp. |
Cytosporaspore tendrils on Sycamore |
| 5224001 |
gray mold |
Botrytis cinerea |
|
| 5258031 |
Rhizoctonia damping-off, blight and rot |
Rhizoctonia solani |
|
| 5258032 |
Rhizoctonia damping-off, blight and rot |
Rhizoctonia solani |
|
| 5258033 |
Rhizoctonia damping-off, blight and rot |
Rhizoctonia solani |
|
| 5258034 |
Rhizoctonia damping-off, blight and rot |
Rhizoctonia solani |
|
| 5221014 |
fire blight |
Erwinia amylovora |
|
| 5221027 |
fire blight |
Erwinia amylovora |
|
| 5221028 |
fire blight |
Erwinia amylovora |
|
| 5221029 |
fire blight |
Erwinia amylovora |
|
| 5221030 |
fire blight |
Erwinia amylovora |
|
| 5221031 |
fire blight |
Erwinia amylovora |
|
| 5221034 |
fire blight |
Erwinia amylovora |
|
| 5221038 |
fire blight |
Erwinia amylovora |
|
| 5221039 |
fire blight |
Erwinia amylovora |
|
| 5221040 |
fire blight |
Erwinia amylovora |
|
| 5221041 |
fire blight |
Erwinia amylovora |
|
| 5221049 |
fire blight |
Erwinia amylovora |
|
