DISEASE: Bacterial leaf spot
HOST: Snapdragon
Leaves with large necrotic areas with brownish centers and purplish margins. Lesions are slightly sunken.
Bacterial leaf spot | Snapdragon
DISEASE: Bacterial leaf spot
HOST: Snapdragon (Antirrhinum majus)
PATHOGEN: Pseudomonas syringae pv. antirrhini
SOURCE: R. Raabe
DISEASE: Bacterial spot
HOST: Plum
Shot-hole phase of disease.
Bacterial spot | Plum
DISEASE: Bacterial spot
HOST: Plum (Prunus domestica)
PATHOGEN: Xanthomonas arboricola pv. pruni
PATHOGEN SYNONYM: Xanthomonas campestris pv. pruni
SOURCE: T. Burr
DISEASE: Bacterial spot
HOST: Plum
Dark, sunken area on blossom end of fruit.
Bacterial spot | Plum
DISEASE: Bacterial spot
HOST: Plum (Prunus domestica)
PATHOGEN: Xanthomonas arboricola pv. pruni
PATHOGEN SYNONYM: Xanthomonas campestris pv. pruni
SOURCE: S. Thomson
DISEASE: Bacterial spot
HOST: Plum
Dark brown necrotic lesions along main leaf vein. Lesions may drop off, leaving shot-hole effect.
Bacterial spot | Plum
DISEASE: Bacterial spot
HOST: Plum (Prunus domestica)
PATHOGEN: Xanthomonas arboricola pv. pruni
PATHOGEN SYNONYM: Xanthomonas campestris pv. pruni
SOURCE: S. Thomson
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
DISEASE: Plum leaf scald
HOST: Plum
Leaf with large necrotic area.
Plum leaf scald | Plum
DISEASE: Plum leaf scald
HOST: Plum (Prunus domestica)
PATHOGEN: Xylella fastidiosa
SOURCE: B. Raju, M. Davis