Tom Creswell's Images
Title: Director, Plant and Pest Diagnostic LabOrganization: Purdue University
Unit: Botany and Plant Pathology
Country: United States
Web: http://www.ppdl.purdue.edu/PPDL/
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Director of Purdue's Plant and Pest Diagnostic Laboratory |
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| 73 Images of 12 Subjects | View Subject List | View Image Details | View Thumbnails |
| Image | Subject Name | Scientific Name | Description |
|---|---|---|---|
| 5494852 | downy mildew | Peronospora lamii | Peronospora lamii sporangium from coleus |
| 5494927 | Alternanthera Mosaic Virus | Potexvirus A1tMV | Mosaic and mottle symptoms on Portulaca grandiflora due to Alternanthera Mosaic Virus infection. |
| 5494853 | downy mildew | Peronospora lamii | Peronospora lamii sporangium from coleus |
| 5494854 | downy mildew | Peronospora lamii | Peronospora lamii sporangium from coleus |
| 5494855 | downy mildew | Peronospora lamii | Peronospora lamii sporangium from coleus |
| 5494856 | downy mildew | Peronospora lamii | Peronospora lamii sporangium from coleus |
| 5494857 | downy mildew | Peronospora lamii | Peronospora lamii spores from coleus |
| 5494888 | downy mildew | Plasmopara obducens | Plasmopara obduscens sporangia |
| 5494889 | downy mildew | Plasmopara obducens | Plasmopara obduscens sporangia |
| 5494890 | downy mildew | Plasmopara obducens | Plasmopara obduscens sporangia |
| 5494891 | downy mildew | Plasmopara obducens | Plasmopara obduscens sporangia |
| 5494883 | downy mildew | Plasmopara obducens | Sporulation of Plasmopara obduscens on Impatiens walleriana |
| 5494884 | downy mildew | Plasmopara obducens | Sporulation of Plasmopara obduscens on Impatiens walleriana |
| 5494885 | downy mildew | Plasmopara obducens | Sporulation of Plasmopara obduscens on Impatiens walleriana |
| 5494886 | downy mildew | Plasmopara obducens | Sporulation of Plasmopara obduscens on Impatiens walleriana |
| 5494887 | downy mildew | Plasmopara obducens | Sporulation of Plasmopara obduscens on Impatiens walleriana |
| 5494881 | downy mildew | Plasmopara obducens | Sporulation of Plasmopara obduscens on Impatiens walleriana |
| 5494882 | downy mildew | Plasmopara obducens | Sporulation of Plasmopara obduscens on Impatiens walleriana |
| 5494844 | downy mildew | Peronospora lamii | Peronospora lamii sporangia on coleus leaf |
| 5494845 | downy mildew | Peronospora lamii | Peronospora lamii sporangia on coleus leaf |
| 5494846 | downy mildew | Peronospora lamii | Peronospora lamii sporangia on coleus leaf |
| 5494847 | downy mildew | Peronospora lamii | Peronospora lamii sporangia on coleus leaf |
| 5494848 | downy mildew | Peronospora lamii | Peronospora lamii sporangia on coleus leaf |
| 5494880 | downy mildew | Plasmopara obducens | Upper surface of impatiens leaf infected with Plasmopara obduscens, the cause of downy mildew |
| 5494864 | downy mildew | Peronospora lamii | Peronospora lamii sporangia on coleus leaf |
| 5494865 | downy mildew | Peronospora lamii | Peronospora lamii sporangia on coleus leaf |
| 5494866 | downy mildew | Peronospora lamii | Peronospora lamii sporangia on coleus leaf |
| 5494867 | downy mildew | Peronospora lamii | Peronospora lamii sporangia on coleus leaf |
| 5494868 | downy mildew | Peronospora lamii | Peronospora lamii sporangia on coleus leaf |
| 5494879 | downy mildew | Plasmopara obducens | Lower surface of impatiens leaf showing a layer of spores of Plasmopara obduscens, the cause of downy mildew |
| 5494858 | downy mildew | Peronospora lamii | Downy mildew symptoms on coleus |
| 5494859 | downy mildew | Peronospora lamii | Downy mildew symptoms on coleus |
| 5494860 | downy mildew | Peronospora lamii | Downy mildew symptoms on coleus |
| 5494861 | downy mildew | Peronospora lamii | Downy mildew symptoms on coleus |
| 5494862 | downy mildew | Peronospora lamii | Peronospora lamii sporangia on coleus leaf |
| 5494863 | downy mildew | Peronospora lamii | Peronospora lamii sporangia on coleus leaf |
| 5492817 | rust | Uromyces graminicola | Teliospore of Uromyces graminicola from switchgrass |
| 5492818 | rust | Uromyces graminicola | Teliospores of Uromyces graminicola on switchgrass |
| 5492819 | rust | Uromyces graminicola | Teliospores of Uromyces graminicola on switchgrass |
| 5492820 | rust | Uromyces graminicola | Teliospore of Uromyces graminicola |
| 5492821 | rust | Uromyces graminicola | Teliospore of Uromyces graminicola from switchgrass |
| 5492822 | rust | Uromyces graminicola | Teliospores of Uromyces graminicola on switchgrass |
| 5493734 | rust | Puccinia emaculata | Puccinia emaculata teliospores |
| 5493735 | rust | Puccinia emaculata | Puccinia emaculata teliospores |
| 5493736 | rust | Puccinia emaculata | Puccinia emaculata teliospores |
| 5493737 | rust | Puccinia emaculata | Puccinia emaculata teliospores |
| 5493738 | gray molds | Botrytis spp. | Spotting of cyclamen flowers caused by Botrytis infections |
| 5493739 | gray molds | Botrytis spp. | Spotting of cyclamen flowers caused by Botrytis infections |
| 5492836 | Phytophthora root and stem rot | Phytophthora cryptogea | Sporangia production induced from infected tissue by floating in 1% non-sterile solution of soil in deionized water. Host: Osteospermum spp. |
| 5492839 | Phytophthora root and stem rot | Phytophthora cryptogea | Sporangia production induced from infected tissue by floating in 1% non-sterile solution of soil in deionized water.Host: Osteospermum spp. |
| 5492840 | Phytophthora root and stem rot | Phytophthora cryptogea | Sporangia production induced from infected tissue by floating in 1% non-sterile solution of soil in deionized water.Host: Osteospermum spp. |
| 5492832 | Phytophthora root and stem rot | Phytophthora cryptogea | Sporangia in liquid culture. Size ranges vary with isolate but are most commonly about 40 x 28 um.Host: Osteospermum spp |
| 5492833 | Phytophthora root and stem rot | Phytophthora cryptogea | Sporangia in liquid culture. Size ranges vary with isolate but are most commonly about 40 x 28 um.Host: Osteospermum spp. |
| 5492834 | Phytophthora root and stem rot | Phytophthora cryptogea | Sporangia in liquid culture. Size ranges vary with isolate but are most commonly about 40 x 28 um. Host: osteospermum spp |
| 5492835 | Phytophthora root and stem rot | Phytophthora cryptogea | Sporangia in liquid culture showing internal proliferation. Size ranges vary with isolate but are most commonly about 40 x 28 um.Host: Osteospermum spp |
| 5492830 | Phytophthora root and stem rot | Phytophthora cryptogea | Sporangia showing internal proliferation. Size ranges vary with isolate but are most commonly about 40 x 28 um. Host: Osteospermum spp. |
| 5492831 | Phytophthora root and stem rot | Phytophthora cryptogea | Sporangia in liquid culture. Size ranges vary with isolate but are most commonly about 40 x 28 um. Host: Osteospermum spp |
| 5483035 | downy mildew | Peronospora lamii | |
| 5483036 | downy mildew | Peronospora lamii | |
| 5483037 | downy mildew | Peronospora lamii | |
| 5483038 | downy mildew | Peronospora lamii | |
| 5483030 | Phyllosticta leaf spots | Phyllosticta spp. | Phyllosticta leaf spot on Witchhazel. |
| 5483039 | butternut canker | Sirococcus clavigignenti-juglandacearum | Butternut canker symptoms before (bottom) and after (top) bark is removed. |
| 5483034 | Verticillium wilt | Verticillium dahliae | Microsclerotia of Verticillium dahliae form in agar culture following isolation of the fungus. |
| 5482684 | mummy berry | Monilinia vaccinii-corymbosi | |
| 5482685 | mummy berry | Monilinia vaccinii-corymbosi | |
| 5482686 | mummy berry | Monilinia vaccinii-corymbosi | |
| 5482687 | mummy berry | Monilinia vaccinii-corymbosi | Pseudosclerotia (mummy berries) are the overwintering structures of the pathogen. |
| 5482688 | mummy berry | Monilinia vaccinii-corymbosi | Pseudosclerotia (mummy berries) are the overwintering structures of the pathogen.? |
| 5482689 | mummy berry | Monilinia vaccinii-corymbosi | |
| 5482690 | mummy berry | Monilinia vaccinii-corymbosi | |
| 5482691 | mummy berry | Monilinia vaccinii-corymbosi | Pseudosclerotia (mummy berries) are the overwintering structures of the pathogen.? |
| 5079060 | Southern bacterial wilt | Ralstonia solanacearum (except Race 3 Biovar 2) | Appearance of Ralstonia solanacearum on Tetrazolium medium (TZC). |
