DISEASE: Bacterial canker (Leaf spot)
HOST: Mume (Japanese apricot)
Leaves with spots surrounded by yellow halos.
Bacterial canker (Leaf spot) | Mume (Japanese apricot)
DISEASE: Bacterial canker (Leaf spot)
HOST: Mume (Japanese apricot) (Prunus mume)
PATHOGEN: Pseudomonas syringae pv. morsprunorum
SOURCE: M. Goto
DISEASE: Bacterial needle blight
HOST: China fir
Leaves with brown blotches. Some are dead.
Bacterial needle blight | China fir
DISEASE: Bacterial needle blight
HOST: China fir (Cunninghamia lanceolata)
PATHOGEN: Pseudomonas syringae pv. cunninghamiae
SOURCE: M. Goto
DISEASE: Hollow stalk
HOST: Tobacco
Hollow stalk may appear at time of topping and suckering. Top leaves wilt and the stalk becomes bare as the disease moves downward.
Hollow stalk | Tobacco
DISEASE: Hollow stalk
HOST: Tobacco (Nicotiana tabacum)
PATHOGEN: Pectobacterium carotovorum
PATHOGEN SYNONYM: Erwinia carotovora subsp. carotovora
SOURCE: P. Shoemaker
DISEASE: Hollow stalk
HOST: Tobacco
Infection of flue-cured tobacco stalks occur at wound sites caused by topping. After top infection, browning of pith occurs and tissues rot.
Hollow stalk | Tobacco
DISEASE: Hollow stalk
HOST: Tobacco (Nicotiana tabacum)
PATHOGEN: Pectobacterium carotovorum
PATHOGEN SYNONYM: Erwinia carotovora subsp. carotovora
SOURCE: APS