Leaf spot (Septoria betulae) on Birch (Betula sp.)
| 4 Images |
Paul Bachi University of Kentucky Research and Education Center |
Incubated, infected leaf tissue with spore-producing bodies ("pycnidia") and spore oozing out in a bubble. |
Paul Bachi University of Kentucky Research and Education Center |
Close-up of spore-producing bodies ("pycnidia") and spore oozing out in a bubble. |
Paul Bachi University of Kentucky Research and Education Center |
Close-up of spore-producing bodies ("pycnidia") under dark-field observation. |
Paul Bachi University of Kentucky Research and Education Center |
Spores of the fungus Septoria betulae under dark-field observation. |
