DISEASE: Bacterial blast
HOST: Pear
The bacterium infects all flower parts and may spread and kill the entire spur.
Bacterial blast | Pear
DISEASE: Bacterial blast
HOST: Pear (Pyrus communis)
PATHOGEN: Pseudomonas syringae pv. syringae
SOURCE: W. Sinclair
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 streak
HOST: Ti
Leaf with reddish brown streaks.
Bacterial leaf streak | Ti
DISEASE: Bacterial leaf streak
HOST: Ti (Cordyline fruticosa)
PATHOGEN: Xanthomonas axonopodis pv. dieffenbachiae
PATHOGEN SYNONYM: Xanthomonas campestris pv. dieffenbachiae
SOURCE: R. Raabe
DISEASE: Bacterial leaf streak
HOST: Ti
Leaf with reddish brown necrotic streaks, late stage of disease.
Bacterial leaf streak | Ti
DISEASE: Bacterial leaf streak
HOST: Ti (Cordyline terminalis)
PATHOGEN: Xanthomonas axonopodis pv. dieffenbachiae
PATHOGEN SYNONYM: Xanthomonas campestris pv. dieffenbachiae
SOURCE: A. Alvarez
DISEASE: Bacterial leaf streak
HOST: Ti
Leaves of two different ti cultivars with water-soaked and necrotic streaks.
Bacterial leaf streak | Ti
DISEASE: Bacterial leaf streak
HOST: Ti (Cordyline terminalis)
PATHOGEN: Xanthomonas axonopodis pv. dieffenbachiae
PATHOGEN SYNONYM: Xanthomonas campestris pv. dieffenbachiae
SOURCE: R. Raabe
DISEASE: Crown gall
HOST: Pear
Crown gall of pear rootstock.
Crown gall | Pear
DISEASE: Crown gall
HOST: Pear (Pyrus communis)
PATHOGEN: Agrobacterium tumefaciens
PATHOGEN SYNONYM: Rhizobium sp.
SOURCE: H. Sawada, M. Goto
DISEASE: Fire blight
HOST: Pear
Blighted shoot and blossoms.
Fire blight | Pear
DISEASE: Fire blight
HOST: Pear (Pyrus communis)
PATHOGEN: Erwinia amylovora
SOURCE: M. Schroth
DISEASE: Fire blight
HOST: Pear
Typical appearance of advanced stage of disease after the bacterium invades from shoot tips/flowers downward.
Fire blight | Pear
DISEASE: Fire blight
HOST: Pear (Pyrus communis)
PATHOGEN: Erwinia amylovora
SOURCE: M. Schroth