RESULTS

(5)

FILTER

DISEASE: Bacterial leaf spot

HOST: Hydrangea (Oak-leaf)

Leaf with individual brown necrotic lesions and coalesced lesions that formed large necrotic areas. The disease is caused by an unclassified xanthomonad.

Bacterial leaf spot | Hydrangea (Oak-leaf)

DISEASE: Bacterial leaf spot

HOST: Hydrangea (Oak-leaf) (Hydrangea quercifolia)

PATHOGEN: Xanthomonas campestris

SOURCE: W. Uddin, W. Sinclair

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

DISEASE: Elm yellows

HOST: Elm

Elm yellows is characterized by witches'-brooms and stunting. Some cultivars have both yellow and reddish foliar discoloration.

Elm yellows | Elm

DISEASE: Elm yellows

HOST: Elm (Ulmus parvifolia)

PATHOGEN: 'Candidatus Phytoplasma ulmi'

PATHOGEN SYNONYM: Phytoplasma Elm yellows group

SOURCE: W. Sinclair