Paul Bachi University of Kentucky Research and Education Center |
brown leaf spots can coalesce to form blighted areas |
Paul Bachi University of Kentucky Research and Education Center |
brown leaf spots can coalesce to form blighted areas |
Paul Bachi University of Kentucky Research and Education Center |
spore-producing bodies ("acervuli") can be seen within leaf spots |
Paul Bachi University of Kentucky Research and Education Center |
Spores of the asexual fungus, Sphaceloma ampelinum |
Paul Bachi University of Kentucky Research and Education Center |
Necrotic areas can also form on branches and petioles |
Paul Bachi University of Kentucky Research and Education Center |
Necrotic areas can also form on branches and petioles |
Paul Bachi University of Kentucky Research and Education Center |
Dark brown leaf spots on immature leaf |
Paul Bachi University of Kentucky Research and Education Center |
Necrotic areas can also form on branches and petioles |
Paul Bachi University of Kentucky Research and Education Center |
Infection of fruit |
Paul Bachi University of Kentucky Research and Education Center |
close-up of fruit infection with black spore-producing bodies and spores produced in tan mats |
Paul Bachi University of Kentucky Research and Education Center |
close-up of fruit infection with black spore-producing bodies and spores produced in tan mats |
Paul Bachi University of Kentucky Research and Education Center |
close-up of asexual spore-producing body with asexual spores of the fungus Sphaceloma ampelinum |