RESULTS

(5)

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DISEASE: Aster yellows

HOST: Squash

Diagnostic characteristics for the disease are yellowing of young leaves, proliferation of secondary shoots, and rigid erect habit. Leaves are misshapen and smaller than normal and have stiff, thick laminae.

Aster yellows | Squash

DISEASE: Aster yellows

HOST: Squash (Cucurbita sp.)

PATHOGEN: 'Candidatus Phytoplasma asteris'

PATHOGEN SYNONYM: Phytoplasma Aster yellows group

SOURCE: S. Miller

DISEASE: Bacterial dieback of nectarine

HOST: Nectarine

Fruit lesions is another symptom of this disease.

Bacterial dieback of nectarine | Nectarine

DISEASE: Bacterial dieback of nectarine

HOST: Nectarine (Prunus persica var. nucipersica 'Redgold')

PATHOGEN: Pseudomonas syringae pv. persicae

SOURCE: J. Young

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: Bacterial spot

HOST: Nectarine

Nectarine with necrotic spots on leaves and dark necrotic spots on fruit.

Bacterial spot | Nectarine

DISEASE: Bacterial spot

HOST: Nectarine (Prunus persica var. nucipersica 'Redgold')

PATHOGEN: Xanthomonas arboricola pv. pruni

PATHOGEN SYNONYM: Xanthomonas campestris pv. pruni

SOURCE: J. Young