RESULTS

(5)

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DISEASE: Bacterial blight

HOST: Poppy

The disease begins with water-soaked lesions that turn brown to black. They may be surrounded by a translucent ring. Buds, leaves, flowers, and pods are affected.

Bacterial blight | Poppy

DISEASE: Bacterial blight

HOST: Poppy (Eschscholzia californica)

PATHOGEN: Xanthomonas campestris pv. papavericola

SOURCE: M. Daughtrey

DISEASE: Bacterial gall

HOST: Wisteria (Japanese wisteria)

Multiple galls on trunk.

Bacterial gall | Wisteria (Japanese wisteria)

DISEASE: Bacterial gall

HOST: Wisteria (Japanese wisteria) (Wisteria floribunda)

PATHOGEN: Pantoea agglomerans pv. millettiae

PATHOGEN SYNONYM: Erwinia herbicola pv. millettiae

SOURCE: M. Goto

DISEASE: Bacterial gall

HOST: Wisteria (Japanese wisteria)

Gall on branch.

Bacterial gall | Wisteria (Japanese wisteria)

DISEASE: Bacterial gall

HOST: Wisteria (Japanese wisteria) (Wisteria floribunda)

PATHOGEN: Pantoea agglomerans pv. millettiae

PATHOGEN SYNONYM: Erwinia herbicola pv. millettiae

SOURCE: M. Goto

DISEASE: Crown gall

HOST: Forsythia

Crown galls on forsythia stems.

Crown gall | Forsythia

DISEASE: Crown gall

HOST: Forsythia (Forsythia sp.)

PATHOGEN: Agrobacterium tumefaciens

PATHOGEN SYNONYM: Rhizobium sp.

SOURCE: M. Shurtleff

DISEASE: Crown gall

HOST: Poppy

Crown gall of California poppy, a native wild flower.

Crown gall | Poppy

DISEASE: Crown gall

HOST: Poppy (Eschscholzia californica)

PATHOGEN: Agrobacterium tumefaciens

PATHOGEN SYNONYM: Rhizobium sp.

SOURCE: M. Schroth