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Colorado State University is one of our nation's leading research universities with world-class research in infectious disease, atmospheric science, clean energy technologies, and environmental science. It was founded in 1870 as the Colorado Agricultural College, six years before the Colorado Territory became a state. Colorado State University, located in Fort Collins, Colorado, is situated on nearly 5,000 acres of land, including the main campus, a foothills campus, an agricultural campus, and a mountain campus (Pingree Park). Colorado State also has 4,600 acres for research centers, Cooperative Extension offices, and Colorado State Forest Service stations. |
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| 130 Images of 12 Subjects | View Subject List | View Image Details | View Thumbnails |
| Image | Subject Name | Scientific Name | Description |
|---|---|---|---|
| 5490319 | Thousand Cankers Disease | Geosmithia morbida | Beginning of tree removal for black walnut killed by thousand cankers disease |
| 5488802 | Thousand Cankers Disease | Geosmithia morbida | Black walnut stump left in place and repurposed after being killed by thousand cankers disease |
| 5490216 | Thousand Cankers Disease | Geosmithia morbida | Canker produced by Geosmithia morbida around gallery of walnut twig beetle in southern California walnut |
| 5474200 | Fusarium damping-off | Fusarium oxysporum f.sp. cepae | Wilt and tan discoloration of outer leaves of onion caused by root and basal plate infection from Fusarium oxysporum f. sp. cepae |
| 5474192 | Fusarium damping-off | Fusarium oxysporum f.sp. cepae | Wilt and tan discoloration of outer leaves of onion caused by root and basal plate infection from Fusarium oxysporum f. sp. cepae |
| 5474198 | Fusarium damping-off | Fusarium oxysporum f.sp. cepae | Wilt and tan discoloration of outer leaves of onion caused by root and basal plate infection from Fusarium oxysporum f. sp. cepae |
| 5474199 | Fusarium damping-off | Fusarium oxysporum f.sp. cepae | Wilt and tan discoloration of outer leaves of onion caused by root and basal plate infection from Fusarium oxysporum f. sp. cepae |
| 5474197 | Fusarium damping-off | Fusarium oxysporum f.sp. cepae | Wilt and tan discoloration of outer leaves of onion caused by root and basal plate infection from Fusarium oxysporum f. sp. cepae |
| 5474196 | Fusarium damping-off | Fusarium oxysporum f.sp. cepae | Wilt and tan discoloration of outer leaves of onion caused by root and basal plate infection from Fusarium oxysporum f. sp. cepae |
| 5474195 | Fusarium damping-off | Fusarium oxysporum f.sp. cepae | Tan to brown discoloration of roots and basal plate infection from Fusarium oxysporum f. sp. cepae |
| 5474193 | Fusarium damping-off | Fusarium oxysporum f.sp. cepae | Wilt and tan discoloration of outer leaves of onion caused by root and basal plate infection from Fusarium oxysporum f. sp. cepae |
| 5474194 | Fusarium damping-off | Fusarium oxysporum f.sp. cepae | Wilt and tan discoloration of outer leaves of onion caused by root and basal plate infection from Fusarium oxysporum f. sp. cepae |
| 5474191 | Fusarium damping-off | Fusarium oxysporum f.sp. cepae | Wilt and tan discoloration of outer leaves of onion caused by root and basal plate infection from Fusarium oxysporum f. sp. cepae |
| 5366732 | Tubercularia cankers | Tubercularia spp. | Honeylocust tree exhibiting symptoms of Tubercularia canker (Tubercularia sp.). |
| 5406095 | Thousand Cankers Disease | Geosmithia morbida | Chipping wood from black walnut killed by thousand cankers. Associated with walnut twig beetle. |
| 5406048 | Thousand Cankers Disease | Geosmithia morbida | Black walnuts in the end stage of thousand cankers. Photograph taken August 5, 2009. Associated with walnut twig beetle. |
| 5406086 | Thousand Cankers Disease | Geosmithia morbida | Crown thinning symptoms with thousand cankers in advanced stage infestation. Associated with walnut twig beetle. |
| 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. |
| 5406105 | Thousand Cankers Disease | Geosmithia morbida | Chipped wood from black walnut killed by thousand cankers. Many larvae and adults survived in the larger chips. Associated with walnut twig beetle. |
| 5406106 | Thousand Cankers Disease | Geosmithia morbida | Chipped wood from black walnut killed by thousand cankers. many larvae and adults survived in the larger chips. Associated with the walnut twig beetle. |
| 5406107 | Thousand Cankers Disease | Geosmithia morbida | Hauling wood salvaged from black walnut killed by thousand cankers. Associated with walnut twig beetle. |
| 5406103 | Thousand Cankers Disease | Geosmithia morbida | Cultured Geosmithia colony in yeast phase. |
| 5406104 | Thousand Cankers Disease | Geosmithia morbida | Large trunk cankers common in end stage of infestations of thousand cankers. Several fungi, including Fusarium solani, can be cultured from these cankers. |
| 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. |
| 5406088 | Thousand Cankers Disease | Geosmithia morbida | Branch cankers that have developed around twig beetle galleries. Geosmithia can be seen fruiting in the center gallery. Associated with the walnut twig beetle. |
| 5406089 | Thousand Cankers Disease | Geosmithia morbida | branch cankers that have developed around twig beetle galleries. Associated with the walnut twig beetle. |
| 5406085 | Thousand Cankers Disease | Geosmithia morbida | Second in series of two. Black walnuts are showing advanced symptoms of thousand cankers disease in this picture taken September 18, 2009. tree died the following June. Associated with walnut twig beetle. |
| 5406044 | Thousand Cankers Disease | Geosmithia morbida | Black walnut in end stage of thouand cankers. Photograph taken June 25, 2009; tree was removed one week later. During previos September symptoms were flaggong on a single branch. Associated with walnut twig beetle. |
| 5406083 | Thousand Cankers Disease | Geosmithia morbida | First in a series of two. Black walnuts that have recently died from thousand cankers disease. Photgraph taken June 11, 2009. Dieback was noted in September 18, 2008. |
| 5406080 | Thousand Cankers Disease | Geosmithia morbida | Canker produced approximately five weeks following the introduction of Geosmithia (isolate 12-181) into black walnut seedling. Associated with walnut twig beetle. |
| 5406081 | Thousand Cankers Disease | Geosmithia morbida | Canker produced approximately five weeks following introduction of Geosmithia (isolate 12-181) into black walnut seedling. Associated with walnut twig beetle. |
| 5406077 | Thousand Cankers Disease | Geosmithia morbida | Canker produced following introduction of Geosmithia(isolate 12-181) into Northern california walnut seedling. Associated with walnut twig beetle. |
| 5406078 | Thousand Cankers Disease | Geosmithia morbida | Canker produced one week following introduction of Geosmithia (isolate 12-181) into southern California walnut seedling. Sporulation of the fungus is occuring at the edges of the wound.Associated with walnut twig beetle. |
| 5406079 | Thousand Cankers Disease | Geosmithia morbida | Canker produced approximately 5 weeks following introduction of Geosmithia (isolate 12-181) into Southern California walnut seedling. Sporulation of the fungus is occuring at the edges of the wound. |
| 5406074 | Thousand Cankers Disease | Geosmithia morbida | Introduction of Geosmithia into wound during evaluation of Juglans susceptability to fungal pathogen of thousand cankers. Assocaited with walnut twig beetle. |
| 5406075 | Thousand Cankers Disease | Geosmithia morbida | Evaluation of Juglans seedlings for susceptibility to Geosmithia, the fungal pathogen of thousand cankers. Associated with walnut twig beetle. |
| 5406076 | Thousand Cankers Disease | Geosmithia morbida | Canker produced by control inoculation (1.2 PDA agar) of Norhtern california walnut. Normal wounds with no canker development results from this inoculation. Associated with walnut twig beetle. |
| 5406068 | Thousand Cankers Disease | Geosmithia morbida | Black walnut recently killed by thousand cankers disease. Associated with walnut twig beetle. |
| 5406069 | Thousand Cankers Disease | Geosmithia morbida | Black walnuts recently killed by thousand cankers. Symptoms were first noted two years prior and trees recieved multiple applications of soil-applied imidacloprid.associated with walnut twig beetle. |
| 5406070 | Thousand Cankers Disease | Geosmithia morbida | large hybrid walnut fell after succumbing to thousand cankers disease. Associated with walnutt wig beetle. |
| 5406071 | Thousand Cankers Disease | Geosmithia morbida | Large hybrid walnut fell after succumbing to thousand cankers disease. |
| 5406072 | Thousand Cankers Disease | Geosmithia morbida | Wounding of walnut with hollow cone punch to determine susceptibility to Geosnithia fungus. Associated with walnut twig beetle. |
| 5406067 | Thousand Cankers Disease | Geosmithia morbida | Crown thinning and dieback associated with end stage thousand cankers disease. Asociated with walnut twig beetle. |
| 5406066 | Thousand Cankers Disease | Geosmithia morbida | Large trunk cankers commomn in end stage infestations of thousand cankers. Several fungio, including Fusarium solani, can be cultured from these cankers. |
| 5406054 | Thousand Cankers Disease | Geosmithia morbida | Twig dieback associated with infestation of walnut twig beetle in Arizonia walnut.Associated with walnut twig beetle. |
| 5406041 | Thousand Cankers Disease | Geosmithia morbida | Salvaged wlanut log from tree killed by thousand cankers stored in backyard.Associated with walnut twig beetle. |
| 5406042 | Thousand Cankers Disease | Geosmithia morbida | Training session to identify symptoms of thousand cankers.Assocaited with walnut twig beetle. |
| 5406043 | Thousand Cankers Disease | Geosmithia morbida | Training session to identify symptoms of thousand cankers. Associated with walnut twig beetle. |
| 5406045 | Thousand Cankers Disease | Geosmithia morbida | Black walnut in end stage of thousand cankers. Photograph June 25, 2009; tree was removed one week later. Associatd with walnut twig beetle. |
| 5406046 | Thousand Cankers Disease | Geosmithia morbida | Black walnut showing first external symptom of thousand cankers. A single flagging branch can be seen in the crown area on the upper right of the photograph. Associated with walnut twig beetle. |
| 5406047 | Thousand Cankers Disease | Geosmithia morbida | Black walnut showing early stage external symptoms of thousand cankers. A few branches in the crown are showing flagging and there is crown thinning. Associatd with walnut twig beetle. |
| 5406049 | Thousand Cankers Disease | Geosmithia morbida | Black walnut recently killed by thousand cankers. A healthy pecan is in the background. Associated with walnutt wig beetle. |
| 5406050 | Thousand Cankers Disease | Geosmithia morbida | Black walnut recently killed by thousand cankers. A healthy pecan is in background. Assocaited with walnut twig beetle. |
| 5406052 | Thousand Cankers Disease | Geosmithia morbida | Black walnut with advanced symptons of cankers. Associated with walnut twig beetle. |
| 5406053 | Thousand Cankers Disease | Geosmithia morbida | Black walnuts recently killed by thousand cankers. trees first showed symptoms two years earlier and had recieved two applications of imidacloprid in attempt to control disease progression. Associated with walnut twig beetle. |
| 5364061 | Fusarium damping-off | Fusarium oxysporum f.sp. cepae | Cultures of onion Fusarium on Komada medium in the laboratory. |
| 5364062 | Fusarium damping-off | Fusarium oxysporum f.sp. cepae | Cultures of onion Fusarium on Komada medium in the laboratory. |
| 5365367 | Fusarium wilt | Fusarium oxysporum f.sp. phaseoli | Soil removed to show symptoms of fusarium wilt (Fusarium oxysporum f. sp. phaseoli) on the roots dry bean plants. |
| 5365368 | Fusarium wilt | Fusarium oxysporum f.sp. phaseoli | Soil removed to show symptoms of fusarium wilt (Fusarium oxysporum f. sp. phaseoli) on the roots dry bean plants. |
| 5362738 | Fusarium wilts, blights, rots and damping-off | Fusarium spp. | A melon/cantaloupe fruit with severe Fusarium rot infection caused by Fusarium spp.. |
| 5362737 | Fusarium wilts, blights, rots and damping-off | Fusarium spp. | A melon/cantaloupe fruit with symptoms of Fusarium rot caused by Fusarium spp.. |
| 5362736 | Fusarium wilts, blights, rots and damping-off | Fusarium spp. | The rind of a melon/cantaloupe fruit with symptoms of Fusarium rot caused by Fusarium spp.. |
| 5362735 | Fusarium wilts, blights, rots and damping-off | Fusarium spp. | A melon/cantaloupe rind with symptoms of Fusarium rot caused by Fusarium spp.. |
| 5365936 | Verticillium wilt | Verticillium dahliae | A sunflower plant showing symptoms of Verticillium wilt infection caused by Verticillium dahliae in the field. |
| 5365937 | Verticillium wilt | Verticillium dahliae | A sunflower plant showing symptoms of Verticillium wilt infection caused by Verticillium dahliae in the field. |
| 5365935 | Verticillium wilt | Verticillium dahliae | Sunflower plants showing symptoms of Verticillium wilt infection caused by Verticillium dahliae in the field. |
| 5365933 | Verticillium wilt | Verticillium dahliae | Sunflower plants showing symptoms of Verticillium wilt infection caused by Verticillium dahliae in the field. |
| 5365934 | Verticillium wilt | Verticillium dahliae | Sunflower plants showing symptoms of Verticillium wilt infection caused by Verticillium dahliae in the field. |
| 5365875 | Fusarium root rot and wilt | Fusarium oxysporum | Melon plants showing Fusarium wilt infection caused by Fusarium oxysporum. |
| 5365874 | Fusarium root rot and wilt | Fusarium oxysporum | A field of melons showing Fusarium wilt infection caused by Fusarium oxysporum. |
| 5365873 | Fusarium root rot and wilt | Fusarium oxysporum | A field of melons showing Fusarium wilt infection caused by Fusarium oxysporum. |
| 5365872 | Fusarium root rot and wilt | Fusarium oxysporum | A field of melons showing Fusarium wilt infection caused by Fusarium oxysporum. |
| 5361731 | Fusarium root rot and wilt | Fusarium oxysporum | Sugar beet (common beet) plants showing symptoms of Fusarium wilt caused by Fusarium oxysporum f.sp. betae in the field. |
| 5361730 | Fusarium root rot and wilt | Fusarium oxysporum | Sugar beet (common beet) plants showing symptoms of Fusarium wilt caused by Fusarium oxysporum f.sp. betae in the field. |
| 5361728 | Fusarium root rot and wilt | Fusarium oxysporum | Sugar beet (common beet) plants showing symptoms of Fusarium wilt caused by Fusarium oxysporum f.sp. betae in the field. |
| 5361729 | Fusarium root rot and wilt | Fusarium oxysporum | Sugar beet (common beet) leaves showing symptoms of Fusarium wilt caused by Fusarium oxysporum f.sp. betae in the field. |
| 5361727 | Fusarium root rot and wilt | Fusarium oxysporum | Sugar beet (common beet) plants showing symptoms of Fusarium wilt caused by Fusarium oxysporum f.sp. betae in the field. |
| 5357476 | ergot | Claviceps purpurea | A rye head showing the honeydew stage of the ergot fungus Claviceps purpurae in the field. |
| 5357581 | Fusarium root rot and wilt | Fusarium oxysporum | Sugar beet field showing symptoms of infection with Fusarium wilt (Fusarium oxysporum f.sp. betae). |
| 5366731 | Tubercularia cankers | Tubercularia spp. | Sporodochia fruiting structures of Tubercularia canker on the trunk of a hardwood tree. |
| 5366730 | Tubercularia cankers | Tubercularia spp. | Sporodochia fruiting structures of Tubercularia canker on limbs of a hardwood tree(s). |
| 5357310 | Fusarium wilts, blights, rots and damping-off | Fusarium spp. | Potato plants showing Fusarium wilt symptoms caused by Fusarium spp. in the field. |
| 5357309 | Fusarium wilts, blights, rots and damping-off | Fusarium spp. | A potato plant showing Fusarium wilt symptoms caused by Fusarium spp. in the field. |
| 5357308 | Fusarium wilts, blights, rots and damping-off | Fusarium spp. | A potato plant showing Fusarium wilt symptoms caused by Fusarium spp. in the field. |
| 5366744 | Verticillium wilts | Verticillium spp. | Silver maple tree (Acer saccharinum) showing symptoms of verticillium wilt (Verticillium sp.). |
| 5366743 | Verticillium wilts | Verticillium spp. | Sapwood of a maple tree showing symptoms of verticillium wilt (Verticillium sp.). |
| 5366742 | Verticillium wilts | Verticillium spp. | Sumac trees (Rhus sp.) showing symptoms of verticillium wilt (Verticillium sp.). |
| 5366733 | canker and die back of Siberian Elm | Tubercularia ulmea | View through a microscope of the spores of Tubercularia canker (Tubercularia ulmea), a disease of Siberian elm (Ulmus pumila). |
| 5359955 | Gibberella stalk rot | Gibberella zeae | Evidence of scab (Fusarium graminearum) on a head of winter wheat. |
| 5359956 | Gibberella stalk rot | Gibberella zeae | Evidence of scab (Fusarium graminearum) on a head of winter wheat. |
| 5359954 | Gibberella stalk rot | Gibberella zeae | Evidence of scab (Fusarium graminearum) on a head of winter wheat. |
| 5359866 | Fusarium wilt | Fusarium oxysporum f.sp. phaseoli | Field of dry bean plants showing symptoms of Fusarium wilt (Fusarium oxysporum f.sp. phaseoli). |
| 5359765 | Fusarium wilt | Fusarium oxysporum f.sp. phaseoli | A greenhouse research on the infection of Fusarium wilt caused by Fusarium oxysporum f.sp. phaseoli on drybeans. |
| 5365948 | Fusarium wilt | Fusarium oxysporum f.sp. phaseoli | A drybean twig showing symptoms of Fusarium wilt caused by Fusarium oxysporum f.sp. phaseoli. |
| 5365949 | Fusarium wilt | Fusarium oxysporum f.sp. phaseoli | A drybean stem showing symptoms of Fusarium wilt caused by Fusarium oxysporum f.sp. phaseoli. |
| 5365946 | Fusarium wilt | Fusarium oxysporum f.sp. phaseoli | Drybean plants showing symptoms of Fusarium wilt caused by Fusarium oxysporum f.sp. phaseoli. |
| 5365947 | Fusarium wilt | Fusarium oxysporum f.sp. phaseoli | Drybean plants showing symptoms of Fusarium wilt caused by Fusarium oxysporum f.sp. phaseoli. |
| 5365945 | Fusarium wilt | Fusarium oxysporum f.sp. phaseoli | Drybean plants showing symptoms of Fusarium wilt caused by Fusarium oxysporum f.sp. phaseoli. |
| 5365943 | Fusarium wilt | Fusarium oxysporum f.sp. phaseoli | A scenic view of a drybeans field showing symptoms of Fusarium wilt caused by Fusarium oxysporum f.sp. phaseoli. |
| 5365944 | Fusarium wilt | Fusarium oxysporum f.sp. phaseoli | A scenic view of a drybeans field showing symptoms of Fusarium wilt caused by Fusarium oxysporum f.sp. phaseoli. |
| 5365371 | Fusarium wilt | Fusarium oxysporum f.sp. phaseoli | Symptoms of fusarium wilt (Fusarium oxysporum f. sp. phaseoli) on the roots dry bean plants. |
| 5365372 | Fusarium wilt | Fusarium oxysporum f.sp. phaseoli | Soil removed to show symptoms of fusarium wilt (Fusarium oxysporum f. sp. phaseoli) on the roots dry bean plants. |
| 5365370 | Fusarium wilt | Fusarium oxysporum f.sp. phaseoli | Soil removed to show symptoms of fusarium wilt (Fusarium oxysporum f. sp. phaseoli) on the roots dry bean plants. |
| 5365369 | Fusarium wilt | Fusarium oxysporum f.sp. phaseoli | Soil removed to show symptoms of fusarium wilt (Fusarium oxysporum f. sp. phaseoli) on the roots dry bean plants. |
| 5365366 | Fusarium wilt | Fusarium oxysporum f.sp. phaseoli | Symptoms of fusarium wilt (Fusarium oxysporum f. sp. phaseoli) on dry bean plants in the field. |
| 5365365 | Fusarium wilt | Fusarium oxysporum f.sp. phaseoli | Symptoms of fusarium wilt (Fusarium oxysporum f. sp. phaseoli) on dry bean plants in the field. |
| 5365364 | Fusarium wilt | Fusarium oxysporum f.sp. phaseoli | Symptoms of fusarium wilt (Fusarium oxysporum f. sp. phaseoli) on dry bean plants in the field. |
| 5365363 | Fusarium wilt | Fusarium oxysporum f.sp. phaseoli | Symptoms of fusarium wilt (Fusarium oxysporum f. sp. phaseoli) on dry bean plants in the field. |
| 5361759 | Fusarium wilt | Fusarium oxysporum f.sp. phaseoli | Inoculation of dry beans with fusarium wilt (Fusarium oxysporum f. sp. phaseoli) in preparation for conducting research at the Agricultural Research Development, and Education Center of Colorado State University. |
| 5363004 | Fusarium wilt | Fusarium oxysporum f.sp. phaseoli | Bean field showing symptoms of Fusarium wilt (Fusarium oxysporum f.sp.phaseoli) at Kersey, Colorado. |
| 5361417 | Fusarium wilt | Fusarium oxysporum f.sp. phaseoli | Stem of a bean plant cut away to show infection of the vascular system by Fusarium wilt (Fusarium oxysporum f.sp. phaseoli). |
| 5361416 | Fusarium wilt | Fusarium oxysporum f.sp. phaseoli | Death of bean plants due to Fusarium wilt (Fusarium oxysporum f.sp.phaseoli). |
| 5361415 | Fusarium wilt | Fusarium oxysporum f.sp. phaseoli | Yellowing and death of bean plants due to Fusarium wilt (Fusarium oxysporum f.sp.phaseoli). |
| 5361414 | Fusarium wilt | Fusarium oxysporum f.sp. phaseoli | Yellowing of bean plants due to Fusarium wilt (Fusarium oxysporum f.sp.phaseoli). |
| 5361369 | Fusarium wilt | Fusarium oxysporum f.sp. phaseoli | Roots of drybeans showing advanced symptoms of Fusarium root rot caused by Fusarium oxysporum f.sp. phaseoli. |
| 5359560 | Fusarium wilt | Fusarium oxysporum f.sp. phaseoli | Dry bean plants showing symptoms of Fusarium wilt (Fusarium oxysporum f.sp. phaseoli). |
| 5359559 | Fusarium wilt | Fusarium oxysporum f.sp. phaseoli | Dry bean plants showing symptoms of Fusarium wilt (Fusarium oxysporum f.sp. phaseoli). |
| 5362300 | Nectria canker | Nectria galligena | Onion plant displaying symptoms of bacterial leaf streak (Pseudomonas viridiflava) disease. |
| 5361503 | Fusarium damping-off | Fusarium oxysporum f.sp. cepae | Onion plants showing Fusarium wilt, Fusarium oxysporum f.sp.cepae infected basal plates on the field. |
| 5361502 | Fusarium damping-off | Fusarium oxysporum f.sp. cepae | Old onion bulbs showing symptoms of Fusarium wilt, Fusarium oxysporum f.sp.cepae and Pink root Phoma terrestris on the field. |
| 5361501 | Fusarium damping-off | Fusarium oxysporum f.sp. cepae | Onion plants showing leaf symptoms of Fusarium wilt, Fusarium oxysporum f.sp.cepae on the field. |
| 5361500 | Fusarium damping-off | Fusarium oxysporum f.sp. cepae | A young onion bulb showing symptoms of Fusarium wilt, Fusarium oxysporum f.sp.cepae on the field. |
