DISEASE: Australian citrus dieback
HOST: Citrus (Lime)
Severe decline, a late stage of disease. The disease spreads slowly in mature trees, progressing faster in young trees.

Australian citrus dieback | Citrus (Lime)
DISEASE: Australian citrus dieback
HOST: Citrus (Lime) (Citrus sp.)
PATHOGEN: 'Candidatus Phytoplasma australiense'
PATHOGEN SYNONYM: Phytoplasma Stolbur group
SOURCE: P. Broadbent
DISEASE: Drippy gill
HOST: Mushroom
Drippy gill is characterized by small dark spots on gills with drops of bacterial ooze at the centers. Severe infection results in slimy areas and collapse of gills.

Drippy gill | Mushroom
DISEASE: Drippy gill
HOST: Mushroom (Agaricus campestris)
PATHOGEN: Pseudomonas agarici
SOURCE: J. Young
DISEASE: Drippy gill
HOST: Mushroom
Close-up of infected gills with bacterial ooze.

Drippy gill | Mushroom
DISEASE: Drippy gill
HOST: Mushroom (Agaricus campestris)
PATHOGEN: Pseudomonas agarici
SOURCE: J. Young
DISEASE: Drippy gill
HOST: Mushroom
Another view of small, dark spots on gills.

Drippy gill | Mushroom
DISEASE: Drippy gill
HOST: Mushroom (Agaricus campestris)
PATHOGEN: Pseudomonas agarici
SOURCE: J. Young
DISEASE: Gypsophila gall
HOST: Gypsophila (Baby's breath)
Gall on gypsophila stem.

Gypsophila gall | Gypsophila (Baby's breath)
DISEASE: Gypsophila gall
HOST: Gypsophila (Baby's breath) (Gypsophila elegans)
PATHOGEN: Pantoea agglomerans pv. agglomerans
SOURCE: S. Manulis
DISEASE: Gypsophila gall
HOST: Gypsophila (Baby's breath)
Gall 1 month after inoculation of stem.

Gypsophila gall | Gypsophila (Baby's breath)
DISEASE: Gypsophila gall
HOST: Gypsophila (Baby's breath) (Gypsophila elegans)
PATHOGEN: Pantoea agglomerans pv. agglomerans
SOURCE: S. Manulis
DISEASE: Gypsophila gall
HOST: Gypsophila (Baby's breath)
Brown gall on crown of gypsophila.

Gypsophila gall | Gypsophila (Baby's breath)
DISEASE: Gypsophila gall
HOST: Gypsophila (Baby's breath) (Gypsophila elegans)
PATHOGEN: Pantoea agglomerans pv. agglomerans
SOURCE: S. Manulis
DISEASE: Gypsophila gall
HOST: Gypsophila (Baby's breath)
Galls (left) caused by Pantoea agglomerans pv. agglomerans tend to be brownish, and those (right) caused by P. agglomerans pv. betae are white.

Gypsophila gall | Gypsophila (Baby's breath)
DISEASE: Gypsophila gall
HOST: Gypsophila (Baby's breath) (Gypsophila elegans)
PATHOGEN: Pantoea agglomerans pv. agglomerans
SOURCE: S. Manulis
DISEASE: Papaya dieback
HOST: Papaya
Dieback is characterized by terminal necrosis and death of the young and old plants.

Papaya dieback | Papaya
DISEASE: Papaya dieback
HOST: Papaya (Carica papaya)
PATHOGEN: 'Candidatus Phytoplasma australiense'
PATHOGEN SYNONYM: Phytoplasma Stolbur group
SOURCE: D. Teakle