RESULTS

(6)

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DISEASE: Bacterial canker

HOST: Hazelnut

Primary symptoms are failure of buds to break and withering and death of new foliage in spring. Dead leaves remain attached to limbs after normal leaf fall.

Bacterial canker | Hazelnut

DISEASE: Bacterial canker

HOST: Hazelnut (Corylus americana)

PATHOGEN: Pseudomonas syringae pv. avellanae

PATHOGEN SYNONYM: Pseudomonas avellanae

SOURCE: P. Psalidas

DISEASE: Bacterial leaf spot (Bacterial necrosis)

HOST: Cassava

Cassava with yellowish leaves and water-soaked, angular spots. The disease is primarily on foliage, although the pathogen may invade stem buds and young branches.

Bacterial leaf spot (Bacterial necrosis) | Cassava

DISEASE: Bacterial leaf spot (Bacterial necrosis)

HOST: Cassava (Manihot esculenta)

PATHOGEN: Xanthomonas cassavae

PATHOGEN SYNONYM: Xanthomonas campestris pv. cassavae

SOURCE: APS

DISEASE: Bacterial leaf spot (Bacterial necrosis)

HOST: Cassava

Cassava with brownish lesions and blackish edges. Leaves turn yellow with multiple infection sites.

Bacterial leaf spot (Bacterial necrosis) | Cassava

DISEASE: Bacterial leaf spot (Bacterial necrosis)

HOST: Cassava (Manihot esculenta)

PATHOGEN: Xanthomonas cassavae

PATHOGEN SYNONYM: Xanthomonas campestris pv. cassavae

SOURCE: H. Maraite, A. Alvarez

DISEASE: Bacterial leaf spot and blight

HOST: Parsley

Blighted leaves with large, brown necrotic areas.

Bacterial leaf spot and blight | Parsley

DISEASE: Bacterial leaf spot and blight

HOST: Parsley (Petroselinum crispum)

PATHOGEN: Pseudomonas syringae pv. apii

SOURCE: APS

DISEASE: Bacterial leaf spot

HOST: Celery

Leaves with typical symptoms of rusty brown lesions with greasy appearance.

Bacterial leaf spot | Celery

DISEASE: Bacterial leaf spot

HOST: Celery (Apium graveolens)

PATHOGEN: Pseudomonas syringae pv. apii

SOURCE: R. Gilbertson

DISEASE: Bacterial leaf spot

HOST: Celery

Celery leaves with rusty brown lesions and some yellowing at leaf tips.

Bacterial leaf spot | Celery

DISEASE: Bacterial leaf spot

HOST: Celery (Apium graveolens)

PATHOGEN: Pseudomonas syringae pv. apii

SOURCE: S. Koike