DISEASE: Bacterial vascular necrosis and rot
HOST: Beet
Cross section of sugar beet with reddish color in vascular bundles and adjacent tissues.
Bacterial vascular necrosis and rot | Beet
DISEASE: Bacterial vascular necrosis and rot
HOST: Beet (Beta vulgaris)
PATHOGEN: Pectobacterium betavasculorum
PATHOGEN SYNONYM: Erwinia carotovora subsp. betavasculorum
SOURCE: M. Schroth
DISEASE: Bacterial vascular necrosis and rot
HOST: Beet
Advanced stage of disease with extensive rot.
Bacterial vascular necrosis and rot | Beet
DISEASE: Bacterial vascular necrosis and rot
HOST: Beet (Beta vulgaris)
PATHOGEN: Pectobacterium betavasculorum
PATHOGEN SYNONYM: Erwinia carotovora subsp. betavasculorum
SOURCE: M. Schroth
DISEASE: Bacterial vascular necrosis and rot
HOST: Beet
Early stage of systemic infection of young plant noted by blackening of midribs and veins.
Bacterial vascular necrosis and rot | Beet
DISEASE: Bacterial vascular necrosis and rot
HOST: Beet (Beta vulgaris)
PATHOGEN: Pectobacterium betavasculorum
PATHOGEN SYNONYM: Erwinia carotovora subsp. betavasculorum
SOURCE: M. Schroth
DISEASE: Bacterial vascular necrosis and rot
HOST: Beet
Infected vascular bundles caused by systemic infection by the bacterium.
Bacterial vascular necrosis and rot | Beet
DISEASE: Bacterial vascular necrosis and rot
HOST: Beet (Beta vulgaris)
PATHOGEN: Pectobacterium betavasculorum
PATHOGEN SYNONYM: Erwinia carotovora subsp. betavasculorum
SOURCE: S. Thomson
DISEASE: Bacterial vascular necrosis and rot
HOST: Beet
Black discoloration of petioles resulting from systemic infection.
Bacterial vascular necrosis and rot | Beet
DISEASE: Bacterial vascular necrosis and rot
HOST: Beet (Beta vulgaris)
PATHOGEN: Pectobacterium betavasculorum
PATHOGEN SYNONYM: Erwinia carotovora subsp. betavasculorum
SOURCE: S. Thomson
DISEASE: Lethal decline
HOST: Palm
Date palm exhibiting symptoms of lethal decline.
Lethal decline | Palm
DISEASE: Lethal decline
HOST: Palm (Phoenix dactylifera)
PATHOGEN: 'Candidatus Phytoplasma palmae'
PATHOGEN SYNONYM: Phytoplasma Coconut lethal yellowing group
SOURCE: W. Sinclair
DISEASE: Lethal decline
HOST: Palm
Date palm with late stage of lethal decline.
Lethal decline | Palm
DISEASE: Lethal decline
HOST: Palm (Phoenix dactylifera)
PATHOGEN: 'Candidatus Phytoplasma palmae'
PATHOGEN SYNONYM: Phytoplasma Coconut lethal yellowing group
SOURCE: W. Sinclair
DISEASE: Oleander leaf scorch
HOST: Oleander
Diseased plant with scalloped, yellowish leaves. This usually is followed by dieback of twigs and branches. Plants often die 2 years after infection.
Oleander leaf scorch | Oleander
DISEASE: Oleander leaf scorch
HOST: Oleander (Nerium oleander)
PATHOGEN: Xylella fastidiosa
SOURCE: S. Purcell
DISEASE: Oleander leaf scorch
HOST: Oleander
Oleander with symptoms of severe scorch.
Oleander leaf scorch | Oleander
DISEASE: Oleander leaf scorch
HOST: Oleander (Nerium oleander)
PATHOGEN: Xylella fastidiosa
SOURCE: M. Blua