Rachel Brown's Images
Title: Extension AssistantOrganization: University of Florida
Unit: IFAS/Plant Pathology SPND
Country: United States
Web: http://plantpath.ifas.ufl.edu/pdc/default.htm
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| 80 Images of 11 Subjects | View Subject List | View Image Details | View Thumbnails |
| Image | Subject Name | Scientific Name | Description |
|---|---|---|---|
| 5426743 | Alternaria black molds / stem cankers | Alternaria spp. | Leaf symptoms: dark brown to black areas of tissue. |
| 5426767 | Fusarium wilts, blights, rots and damping-off | Fusarium spp. | Image taken at 2 days at 40x magnification |
| 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 |
| 5429776 | bacterial black stalk | Erwinia spp. | Nutrient agar two-day-old culture, viewed from the bottom of the plate |
| 5429777 | bacterial black stalk | Erwinia spp. | Nutrient agar two-day-old culture, viewed from the top of the plate |
| 5429778 | bacterial black stalk | Erwinia spp. | MSM three-day-old culture, viewed from the bottom |
| 5426745 | Alternaria black molds / stem cankers | Alternaria spp. | bottom view of plate at two days |
| 5426746 | Alternaria black molds / stem cankers | Alternaria spp. | top view of culture plate at two days |
| 5426747 | Alternaria black molds / stem cankers | Alternaria spp. | The spores were obtained with a tape mount which was stained with Lactophenol Blue and viewed with a compound scope at 40x. The microscope picture was taken at 4 days (2x10x). |
| 5426742 | Alternaria black molds / stem cankers | Alternaria spp. | Black mold/stem canker of tomato |
| 5426748 | Alternaria black molds / stem cankers | Alternaria spp. | bottom view of culture plate at 4 days |
| 5426749 | Alternaria black molds / stem cankers | Alternaria spp. | top view of culture plate at 4 days |
| 5426750 | Alternaria black molds / stem cankers | Alternaria spp. | bottom view at 6 days |
| 5426751 | Alternaria black molds / stem cankers | Alternaria spp. | top view at 6 days |
| 5429779 | bacterial black stalk | Erwinia spp. | MSM three-day-old culture, viewed from the top of the plate. Note that blue MSM medium has turned red-orange (positive result for Erwinia spp.) |
| 5429780 | bacterial black stalk | Erwinia spp. | CVP culture showing pitting (convex cultures) that are significant for pectolytic Erwinia spp. |
| 5429791 | Botryosphaeria rots and cankers | Botryosphaeria spp. | dissecting microscope image of four-day-old culture |
| 5429781 | Botryosphaeria rots and cankers | Botryosphaeria spp. | two-day-old culture on QPDA, grown at 25 C with alternating light and dark, viewed from the bottom of the plate |
| 5429782 | Botryosphaeria rots and cankers | Botryosphaeria spp. | two-day-old culture on QPDA, grown at 25 C with alternating light and dark, viewed from the top of the plate |
| 5429783 | Botryosphaeria rots and cankers | Botryosphaeria spp. | 11-day-old culture on QPDA, grown at 25 C with alternating light and dark, viewed from the bottom of the plate |
| 5429788 | Botryosphaeria rots and cankers | Botryosphaeria spp. | four-day-old culture on QPDA, grown at 25 C with alternating light and dark, viewed from the bottom of the plate |
| 5429789 | Botryosphaeria rots and cankers | Botryosphaeria spp. | four-day-old culture on QPDA, grown at 25 C with alternating light and dark, viewed from the top of the plate |
| 5426815 | black stem, stalk rot | Thielaviopsis spp. | The pathogen was incubated at 25 degrees C with alternating periods of light and dark (12hr. each per day). The spore picture was taken at a two-day time interval at 40x magnification with a compound microscope. The spores were obtained via a tape mount and stained with Lactophenol Blue. |
| 5426827 | wood rot fungi | Trichoderma spp. | Please note that Trichoderma is common lab contaminant and not technically a plant pathogen. It is frequently seen on plates while attemping to grow out unknown pathogens. This is a bottom view at 4 days. |
| 5426828 | wood rot fungi | Trichoderma spp. | Please note that Trichoderma is common lab contaminant and not technically a plant pathogen. It is frequently seen on plates while attemping to grow out unknown pathogens. This is the top view at 4 days. |
| 5426829 | wood rot fungi | Trichoderma spp. | Please note that Trichoderma is common lab contaminant and not technically a plant pathogen. It is frequently seen on plates while attemping to grow out unknown pathogens. The spores were obtained with a tape mount which was stained with Lactophenol Blue and viewed with a compound microscope at 40x. The microscope picture was taken at 4 days. |
| 5426831 | wood rot fungi | Trichoderma spp. | Please note that Trichoderma is common lab contaminant and not technically a plant pathogen. It is frequently seen on plates while attemping to grow out unknown pathogens. This is a bottom view at 6 days. |
| 5426832 | wood rot fungi | Trichoderma spp. | Please note that Trichoderma is common lab contaminant and not technically a plant pathogen. It is frequently seen on plates while attemping to grow out unknown pathogens. This is a top view at 6 days. |
| 5426833 | wood rot fungi | Trichoderma spp. | Please note that Trichoderma is common lab contaminant and not technically a plant pathogen. It is frequently seen on plates while attemping to grow out unknown pathogens. This is a bottom view at 2 days. |
| 5426834 | wood rot fungi | Trichoderma spp. | Please note that Trichoderma is common lab contaminant and not technically a plant pathogen. It is frequently seen on plates while attemping to grow out unknown pathogens. This is a top view at 2 days. |
| 5426777 | Mucor fungus | Mucor spp. | bottom view at 4 days, 25C |
| 5426790 | Pestalotia fungi | Pestalotia spp. | top view at 4 days, 25C |
| 5426791 | Pestalotia fungi | Pestalotia spp. | bottom view at 6 days, 25C |
| 5426792 | Pestalotia fungi | Pestalotia spp. | top view at 6 days, 25C |
| 5426793 | Pestalotia fungi | Pestalotia spp. | |
| 5426794 | Pestalotia fungi | Pestalotia spp. | |
| 5426795 | Pestalotia fungi | Pestalotia spp. | |
| 5426800 | Rhizopus soft rots | Rhizopus spp. | The pathogen was incubated at 25 degrees C with alternating periods of light and dark (12hr. each per day). This is a bottom view of the culture plate at 2 days. |
| 5426801 | Rhizopus soft rots | Rhizopus spp. | The pathogen was incubated at 25 degrees C with alternating periods of light and dark (12hr. each per day). This is a top view of the culture plate at 2 days. |
| 5426802 | Rhizopus soft rots | Rhizopus spp. | The pathogen was incubated at 25 degrees C with alternating periods of light and dark (12hr. each per day). This is a bottom view at 4 days. |
| 5426803 | Rhizopus soft rots | Rhizopus spp. | The pathogen was incubated at 25 degrees C with alternating periods of light and dark (12hr. each per day). This is a top view at 4 days. |
| 5426806 | Rhizopus soft rots | Rhizopus spp. | The pathogen was grown on Acidified Potato Dextrose Medium and incubated at 25 degrees C with alternating periods of light and dark (12hr. each per day). The spore picture was taken at a four day time interval at 40x magnification with a compound microscope. The spores were obtained via a tape mount and stained with Lactophenol Blue. |
| 5426787 | Pestalotia fungi | Pestalotia spp. | bottom view at 2 days |
| 5426778 | Mucor fungus | Mucor spp. | top view of culture plate at 4 days, 25C |
| 5426779 | Mucor fungus | Mucor spp. | bottom view of culture plate at 6 days, 25C |
| 5426780 | Mucor fungus | Mucor spp. | image was taken after 4 days of growth on QPDA at 25C, 40X magnification |
| 5426784 | Mucor fungus | Mucor spp. | image taken with dissecting microscope |
| 5426786 | Mucor fungus | Mucor spp. | top view of culture plate at 6 days, 25C |
| 5426771 | Fusarium wilts, blights, rots and damping-off | Fusarium spp. | bottom view of culture plate at 4 days |
| 5426772 | Fusarium wilts, blights, rots and damping-off | Fusarium spp. | top view of culture plate at 4 days |
| 5426773 | Fusarium wilts, blights, rots and damping-off | Fusarium spp. | bottom view of culture plate at 6 days |
| 5426774 | Fusarium wilts, blights, rots and damping-off | Fusarium spp. | image taken after 2 days of growth on APDA at 25C |
| 5426775 | Mucor fungus | Mucor spp. | This is the bottom view of the culture plate at 2 days (25C). |
| 5426776 | Mucor fungus | Mucor spp. | top view of culture plate at 2 days, 25C |
| 5426808 | black stem, stalk rot | Thielaviopsis spp. | |
| 5426809 | black stem, stalk rot | Thielaviopsis spp. | |
| 5426811 | black stem, stalk rot | Thielaviopsis spp. | The pathogen was incubated at 25 degrees C with alternating periods of light and dark (12hr. each per day). This is a bottom view of the culture plate at 2 days. |
| 5426812 | black stem, stalk rot | Thielaviopsis spp. | The pathogen was incubated at 25 degrees C with alternating periods of light and dark (12hr. each per day). This is a top view of the culture plate at 2 days. |
| 5426813 | black stem, stalk rot | Thielaviopsis spp. | The pathogen was incubated at 25 degrees C with alternating periods of light and dark (12hr. each per day). This is a bottom view of the culture plate at 4 days. |
| 5426814 | black stem, stalk rot | Thielaviopsis spp. | The pathogen was incubated at 25 degrees C with alternating periods of light and dark (12hr. each per day). This is a top view of the culture plate at 4 days. |
| 5426788 | Pestalotia fungi | Pestalotia spp. | top view at 2 days, 25C |
| 5426789 | Pestalotia fungi | Pestalotia spp. | bottom view at 4 days, 25C |
| 5426758 | anthracnose | Colletotrichum spp. | top view at 6 days at 25C |
| 5426768 | Fusarium wilts, blights, rots and damping-off | Fusarium spp. | bottom view of culture plate at 2 days |
| 5426769 | Fusarium wilts, blights, rots and damping-off | Fusarium spp. | top view of culture plate at 6 days |
| 5426752 | anthracnose | Colletotrichum spp. | bottom view at 2 days at 25C |
| 5426753 | anthracnose | Colletotrichum spp. | top view at 2 days at 25C |
| 5426754 | anthracnose | Colletotrichum spp. | top view at 4 days at 25C |
| 5426755 | anthracnose | Colletotrichum spp. | bottom view at 4 days at 25C |
| 5426756 | anthracnose | Colletotrichum spp. | |
| 5426757 | anthracnose | Colletotrichum spp. | bottom view at 6 days at 25C |
| 5426760 | Fusarium root rot and wilt | Fusarium oxysporum | bottom view of culture plate at 2 days |
| 5426761 | Fusarium root rot and wilt | Fusarium oxysporum | top view of culture plate at 2 days |
| 5426762 | Fusarium root rot and wilt | Fusarium oxysporum | bottom view of culture plate at 4 days |
| 5426763 | Fusarium root rot and wilt | Fusarium oxysporum | top view of culture plate at 4 days |
| 5426764 | Fusarium root rot and wilt | Fusarium oxysporum | bottom view of culture plate at 6 days |
| 5426765 | Fusarium root rot and wilt | Fusarium oxysporum | top viewof culture plate at 6 days |
| 5426766 | Fusarium root rot and wilt | Fusarium oxysporum | image taken after 2 days of growth on APDA at 25C |
| 5426770 | Fusarium wilts, blights, rots and damping-off | Fusarium spp. | top view of culture plate at 2 days |
