RESULTS

(7)

FILTER

DISEASE: Aster yellows

HOST: Aster

Foliar symptoms of chlorosis, malformation of leaves, and phyllody.

Aster yellows | Aster

DISEASE: Aster yellows

HOST: Aster (Aster sp.)

PATHOGEN: 'Candidatus Phytoplasma asteris'

PATHOGEN SYNONYM: Phytoplasma Aster yellows group

SOURCE: R. McCoy, M. Davis

DISEASE: Aster yellows

HOST: Aster

Flowers with phyllody (left and center). Healthy flower (right).

Aster yellows | Aster

DISEASE: Aster yellows

HOST: Aster (Aster sp.)

PATHOGEN: 'Candidatus Phytoplasma asteris'

PATHOGEN SYNONYM: Phytoplasma Aster yellows group

SOURCE: R. McCoy, M. Davis

DISEASE: Aster yellows

HOST: Aster

Macrosteles sp., a leafhopper vector of aster yellows phytoplasma.

Aster yellows | Aster

DISEASE: Aster yellows

HOST: Aster (Aster sp.)

PATHOGEN: 'Candidatus Phytoplasma asteris'

PATHOGEN SYNONYM: Phytoplasma Aster yellows group

SOURCE: J. Clark, A. Purcell, M. Davis

DISEASE: Bacterial blight (Leaf spot)

HOST: Clover

Diseased leaf with elongated, reddish brown lesions, especially numerous on the margins.

Bacterial blight (Leaf spot) | Clover

DISEASE: Bacterial blight (Leaf spot)

HOST: Clover (Trifolium alexandrinum)

PATHOGEN: Pseudomonas syringae pv. syringae

SOURCE: M. Shurtleff

DISEASE: Citrus canker

HOST: Citrus (sp. unknown)

Fruit with brown, corky lesions.

Citrus canker | Citrus (sp. unknown)

DISEASE: Citrus canker

HOST: Citrus (sp. unknown) (Citrus natsudaidai)

PATHOGEN: Xanthomonas citri subsp. citri

PATHOGEN SYNONYM: Xanthomonas citri

SOURCE: M. Goto

DISEASE: Citrus canker

HOST: Citrus (sp. unknown)

Leaf with corky lesions. Note absence of halos.

Citrus canker | Citrus (sp. unknown)

DISEASE: Citrus canker

HOST: Citrus (sp. unknown) (Citrus natsudaidai)

PATHOGEN: Xanthomonas citri subsp. citri

PATHOGEN SYNONYM: Xanthomonas citri

SOURCE: M. Goto

DISEASE: Citrus canker

HOST: Citrus (sp. unknown)

Twig with corky lesions.

Citrus canker | Citrus (sp. unknown)

DISEASE: Citrus canker

HOST: Citrus (sp. unknown) (Citrus natsudaidai)

PATHOGEN: Xanthomonas citri subsp. citri

PATHOGEN SYNONYM: Xanthomonas citri

SOURCE: M. Goto