DISEASE: Bacterial leaf spot
HOST: Pellionia
Leaves with dry, irregularly shaped lesions with corky, raised borders on upper surface.
Bacterial leaf spot | Pellionia
DISEASE: Bacterial leaf spot
HOST: Pellionia (Pellionia sp.)
PATHOGEN: Xanthomonas campestris
SOURCE: A. Chase
DISEASE: Bacterial leaf spot
HOST: Pellionia
Leaf lesions are irregular, corky, and slightly raised on lower leaf surfaces. Lesions may fall out, leaving a shot-hole appearance.
Bacterial leaf spot | Pellionia
DISEASE: Bacterial leaf spot
HOST: Pellionia (Pellionia sp.)
PATHOGEN: Xanthomonas campestris
SOURCE: H. Schwartz
DISEASE: Bunch disease
HOST: Walnut
Tree with advanced disease symptoms of branch and twig death.
Bunch disease | Walnut
DISEASE: Bunch disease
HOST: Walnut (Juglans microcarpa)
PATHOGEN: 'Candidatus Phytoplasma pruni'
PATHOGEN SYNONYM: Phytoplasma X-disease group
SOURCE: W. Sinclair
DISEASE: Phytoplasma disease
HOST: Armeria
Phytoplasma-infected armeria (left and right) compared with healthy plant (center).
Phytoplasma disease | Armeria
DISEASE: Phytoplasma disease
HOST: Armeria (Armeria maritima)
PATHOGEN: 'Candidatus Phytoplasma' sp.
PATHOGEN SYNONYM: Phytoplasma (undefined)
SOURCE: R. Raabe