DISEASE: Bacterial blight
HOST: Hazelnut
Diseased young tree with discoloration of the cambium. Dieback of young twigs and branches is characteristic. Other typical symptoms are bud and twig necrosis and small, angular or round, water-soaked leaf spots.
Bacterial blight | Hazelnut
DISEASE: Bacterial blight
HOST: Hazelnut (Corylus americana)
PATHOGEN: Xanthomonas arboricola pv. corylina
SOURCE: J. Pscheidt
DISEASE: Bacterial leaf spot
HOST: Pumpkin
Leaf with tan to brown, angular lesions with dark margins. They are similar to those caused by angular leaf spot.
Bacterial leaf spot | Pumpkin
DISEASE: Bacterial leaf spot
HOST: Pumpkin (Cucurbita pepo)
PATHOGEN: Xanthomonas cucurbitae
SOURCE: J. Young
DISEASE: Gypsophila gall
HOST: Gypsophila (Baby's breath)
Gall on gypsophila stem.
Gypsophila gall | Gypsophila (Baby's breath)
DISEASE: Gypsophila gall
HOST: Gypsophila (Baby's breath) (Gypsophila elegans)
PATHOGEN: Pantoea agglomerans pv. agglomerans
SOURCE: S. Manulis
DISEASE: Gypsophila gall
HOST: Gypsophila (Baby's breath)
Gall 1 month after inoculation of stem.
Gypsophila gall | Gypsophila (Baby's breath)
DISEASE: Gypsophila gall
HOST: Gypsophila (Baby's breath) (Gypsophila elegans)
PATHOGEN: Pantoea agglomerans pv. agglomerans
SOURCE: S. Manulis
DISEASE: Gypsophila gall
HOST: Gypsophila (Baby's breath)
Brown gall on crown of gypsophila.
Gypsophila gall | Gypsophila (Baby's breath)
DISEASE: Gypsophila gall
HOST: Gypsophila (Baby's breath) (Gypsophila elegans)
PATHOGEN: Pantoea agglomerans pv. agglomerans
SOURCE: S. Manulis
DISEASE: Gypsophila gall
HOST: Gypsophila (Baby's breath)
Galls (left) caused by Pantoea agglomerans pv. agglomerans tend to be brownish, and those (right) caused by P. agglomerans pv. betae are white.
Gypsophila gall | Gypsophila (Baby's breath)
DISEASE: Gypsophila gall
HOST: Gypsophila (Baby's breath) (Gypsophila elegans)
PATHOGEN: Pantoea agglomerans pv. agglomerans
SOURCE: S. Manulis