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 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 wilt
HOST: Custard apple
Custard apple with brown discoloration of vascular system, typical of wilt disease.
Bacterial wilt | Custard apple
DISEASE: Bacterial wilt
HOST: Custard apple (Annona reticulata)
PATHOGEN: Ralstonia solanacearum
PATHOGEN SYNONYM: Pseudomonas solanacearum
SOURCE: A. Hayward
DISEASE: Bacterial wilt
HOST: Custard apple
Sudden death stage of wilt disease.
Bacterial wilt | Custard apple
DISEASE: Bacterial wilt
HOST: Custard apple (Annona reticulata)
PATHOGEN: Ralstonia solanacearum
PATHOGEN SYNONYM: Pseudomonas solanacearum
SOURCE: A. Hayward
DISEASE: Bacterial wilt
HOST: Custard apple
Custard apple with brown, dead root tissues with necrotic speckles at the margin between healthy and diseased tissues.
Bacterial wilt | Custard apple
DISEASE: Bacterial wilt
HOST: Custard apple (Annona reticulata)
PATHOGEN: Ralstonia solanacearum
PATHOGEN SYNONYM: Pseudomonas solanacearum
SOURCE: A. Hayward