Dothistroma needle blight (Dothistroma septosporum) on Spruce (Picea sp.)
| 4 Images |
 Paul Bachi University of Kentucky Research and Education Center |
Infected needles show brown spots with dark border and/or dead tips with dark border between dead and healthy portion of the needle. |
 Paul Bachi University of Kentucky Research and Education Center |
Needles show brown spots with dark border. |
 Paul Bachi University of Kentucky Research and Education Center |
Close-up of dead needle tip with black, spore-producing bodies ("acervuli") breaking through needle surface. |
 Paul Bachi University of Kentucky Research and Education Center |
Spores of the anamorph fungus Dothistroma septosporum. |
