DISEASE: Aster yellows
HOST: Squash
Diagnostic characteristics for the disease are yellowing of young leaves, proliferation of secondary shoots, and rigid erect habit. Leaves are misshapen and smaller than normal and have stiff, thick laminae.
Aster yellows | Squash
DISEASE: Aster yellows
HOST: Squash (Cucurbita sp.)
PATHOGEN: 'Candidatus Phytoplasma asteris'
PATHOGEN SYNONYM: Phytoplasma Aster yellows group
SOURCE: S. Miller
DISEASE: Bacterial canker
HOST: Loquat
Branch with cankers.
Bacterial canker | Loquat
DISEASE: Bacterial canker
HOST: Loquat (Eriobotrya japonica)
PATHOGEN: Pseudomonas syringae pv. eriobotryae
SOURCE: M. Schroth
DISEASE: Bacterial leaf spot
HOST: Cabbage
Necrotic, light tan leaf spots, a late stage in disease development.
Bacterial leaf spot | Cabbage
DISEASE: Bacterial leaf spot
HOST: Cabbage (Brassica pekinensis)
PATHOGEN: Xanthomonas campestris pv. armoraciae
SOURCE: R. Campbell
DISEASE: Basal rot
HOST: Cabbage
Severe basal rot of Chinese cabbage.
Basal rot | Cabbage
DISEASE: Basal rot
HOST: Cabbage (Brassica pekinensis)
PATHOGEN: Pectobacterium carotovorum
PATHOGEN SYNONYM: Erwinia carotovora subsp. carotovora
SOURCE: Y. Sakamoto, M. Goto
DISEASE: Basal rot
HOST: Cabbage
Chinese cabbage with rotted base.
Basal rot | Cabbage
DISEASE: Basal rot
HOST: Cabbage (Brassica pekinensis)
PATHOGEN: Pectobacterium carotovorum
PATHOGEN SYNONYM: Erwinia carotovora subsp. carotovora
SOURCE: Y. Sakamoto, M. Goto
DISEASE: Fire blight
HOST: Loquat
Shoot blight of loquat.
Fire blight | Loquat
DISEASE: Fire blight
HOST: Loquat (Eriobotrya japonica)
PATHOGEN: Erwinia amylovora
SOURCE: S. Manulis
DISEASE: Fire blight
HOST: Loquat
Fire blight-infected fruit.
Fire blight | Loquat
DISEASE: Fire blight
HOST: Loquat (Eriobotrya japonica)
PATHOGEN: Erwinia amylovora
SOURCE: S. Manulis
DISEASE: Fire blight
HOST: Loquat
Twig with reddish brown leaves, some dead, and blackened stem.
Fire blight | Loquat
DISEASE: Fire blight
HOST: Loquat (Eriobotrya japonica)
PATHOGEN: Erwinia amylovora
SOURCE: S. Manulis
DISEASE: Fire blight
HOST: Loquat
Blighted blossoms, another symptom of the disease.
Fire blight | Loquat
DISEASE: Fire blight
HOST: Loquat (Eriobotrya japonica)
PATHOGEN: Erwinia amylovora
SOURCE: S. Manulis