DISEASE: Bacterial pocket
HOST: Beet
Sugar beets with many small tubercles at infection sites.
Bacterial pocket | Beet
DISEASE: Bacterial pocket
HOST: Beet (Beta vulgaris)
PATHOGEN: Xanthomonas axonopodis pv. betlicola
PATHOGEN SYNONYM: Xanthomonas campestris pv. betlicola
SOURCE: C. Schneider
DISEASE: Halo blight
HOST: Coffee
Leaf with blackish lesions surrounded by yellow halos.
Halo blight | Coffee
DISEASE: Halo blight
HOST: Coffee (Coffea dewevrei)
PATHOGEN: Pseudomonas syringae pv. garcae
SOURCE: S. Mohan
DISEASE: Halo blight
HOST: Coffee
Young blighted coffee plant.
Halo blight | Coffee
DISEASE: Halo blight
HOST: Coffee (Coffea dewevrei)
PATHOGEN: Pseudomonas syringae pv. garcae
SOURCE: S. Mohan
DISEASE: Halo blight
HOST: Coffee
Stem blight stage of disease.
Halo blight | Coffee
DISEASE: Halo blight
HOST: Coffee (Coffea dewevrei)
PATHOGEN: Pseudomonas syringae pv. garcae
SOURCE: S. Mohan
DISEASE: Halo blight
HOST: Coffee
Coffee leaf with lesion on margin.
Halo blight | Coffee
DISEASE: Halo blight
HOST: Coffee (Coffea dewevrei)
PATHOGEN: Pseudomonas syringae pv. garcae
SOURCE: S. Mohan
DISEASE: Halo blight
HOST: Coffee
Halo blight infection of young seedlings.
Halo blight | Coffee
DISEASE: Halo blight
HOST: Coffee (Coffea dewevrei)
PATHOGEN: Pseudomonas syringae pv. garcae
SOURCE: S. Mohan
DISEASE: Pear decline
HOST: Pear
Healthy pear shoot (left) and diseased shoots (center and right). Leaves are reddish and growth is stunted.
Pear decline | Pear
DISEASE: Pear decline
HOST: Pear (Pyrus communis)
PATHOGEN: 'Candidatus Phytoplasma pyri'
PATHOGEN SYNONYM: Phytoplasma Apple proliferation group
SOURCE: S. Thomson
DISEASE: Pear decline
HOST: Pear
Close-up of infected pear branch showing premature reddish coloration of leaves and cupped, stunted leaves.
Pear decline | Pear
DISEASE: Pear decline
HOST: Pear (Pyrus communis)
PATHOGEN: 'Candidatus Phytoplasma pyri'
PATHOGEN SYNONYM: Phytoplasma Apple proliferation group
SOURCE: S. Thomson
DISEASE: Pear decline
HOST: Pear
Reduced growth of infected trees in center of image.
Pear decline | Pear
DISEASE: Pear decline
HOST: Pear (Pyrus communis)
PATHOGEN: 'Candidatus Phytoplasma pyri'
PATHOGEN SYNONYM: Phytoplasma Apple proliferation group
SOURCE: W. Sinclair