DISEASE: Bacterial gall
HOST: Wisteria (Japanese wisteria)
Multiple galls on trunk.
Bacterial gall | Wisteria (Japanese wisteria)
DISEASE: Bacterial gall
HOST: Wisteria (Japanese wisteria) (Wisteria floribunda)
PATHOGEN: Pantoea agglomerans pv. millettiae
PATHOGEN SYNONYM: Erwinia herbicola pv. millettiae
SOURCE: M. Goto
DISEASE: Bacterial gall
HOST: Wisteria (Japanese wisteria)
Gall on branch.
Bacterial gall | Wisteria (Japanese wisteria)
DISEASE: Bacterial gall
HOST: Wisteria (Japanese wisteria) (Wisteria floribunda)
PATHOGEN: Pantoea agglomerans pv. millettiae
PATHOGEN SYNONYM: Erwinia herbicola pv. millettiae
SOURCE: M. Goto
DISEASE: Bacterial leaf spot
HOST: Hydrangea (Oak-leaf)
Leaf with individual brown necrotic lesions and coalesced lesions that formed large necrotic areas. The disease is caused by an unclassified xanthomonad.
Bacterial leaf spot | Hydrangea (Oak-leaf)
DISEASE: Bacterial leaf spot
HOST: Hydrangea (Oak-leaf) (Hydrangea quercifolia)
PATHOGEN: Xanthomonas campestris
SOURCE: W. Uddin, W. Sinclair
DISEASE: Bacterial leaf spot
HOST: Larkspur
Infected leaflets with many purplish spots with necrotic centers.
Bacterial leaf spot | Larkspur
DISEASE: Bacterial leaf spot
HOST: Larkspur (Delphinium sp.)
PATHOGEN: Pseudomonas syringae pv. delphinii
SOURCE: R. Raabe
DISEASE: Larkspur virescence
HOST: Larkspur
Two diseased plants with stunted and small leaves, lack of flower coloration, and bunched flower buds. Healthy plant (left).
Larkspur virescence | Larkspur
DISEASE: Larkspur virescence
HOST: Larkspur (Delphinium sp.)
PATHOGEN: 'Candidatus Phytoplasma asteris'
PATHOGEN SYNONYM: Phytoplasma Aster yellows group
SOURCE: R. Raabe