Dawn Dailey O'Brien's Images
Title: Extension Support SpecialistOrganization: Cornell University
Unit: Plant Pathology
Country: United States
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Dawn has been the editor of Branching Out, an IPM newsletter for trees and shrubs produced at the Department Plant Pathology and Plant-Microbe Biology at Cornell University since 1996. In addition to her role as editor, Dawn works for the department as webmaster where she designed and maintains the department web site as well as the Vegetable Disease website, Veg MD Online. |
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| 10 Images of 7 Subjects | View Subject List | View Image Details | View Thumbnails |
| Image | Subject Name | Scientific Name | Description |
|---|---|---|---|
| 5458599 | Ploioderma needle cast of pine | Ploioderma lethale | Ploioderma needlecast fruiting structure in mid-June in upstate New York. |
| 5458596 | juniper-pear rust | Gymnosporangium sabinae | Orangish lesion on the upperside of a pear leaf. |
| 5458601 | quince rust | Gymnosporangium clavipes | Cedar-quince rust aecia on hawthorn fruit. |
| 5458602 | quince rust | Gymnosporangium clavipes | |
| 5458603 | Rhabdocline needlecast | Rhabdocline weirii | The fruiting bodies rupture the needle epidermis in spring exposing the spore bearing areas. |
| 5458613 | rose rosette disease | Uncharacterised agent RRD | Witches' broom of rose rosette disease with bright red shoots emerging in the spring. |
| 5458636 | Rhabdocline needlecast | Rhabdocline weirii | Rhabdocline apothecia are released when flaps of leaf epidermis fold back on either side of the midrib. |
| 5458358 | rust | Puccinia malvacearum | Hollyhock rust pustules on lower surface of hollyhock leaf. |
| 5458359 | Insolibasidium fungus | Insolibasidium deformans | White bloom of basidia and basidiospores on lower leaf surface. |
| 5458051 | quince rust | Gymnosporangium clavipes | Gelatinous telial mass oozing out of small branch swelling. |
