RESULTS

(3)

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DISEASE: Bacterial fasciation (Leafy gall)

HOST: Gladiolus

Bacterial fasciation of gladiolus.

Bacterial fasciation (Leafy gall) | Gladiolus

DISEASE: Bacterial fasciation (Leafy gall)

HOST: Gladiolus (Gladiolus hortulanus)

PATHOGEN: Rhodococcus fascians

SOURCE: H. van Hoof, M. Geesteranus

DISEASE: Bacterial wilt

HOST: Squash

Field with severe symptoms of wilt. Foliage often is chlorotic and leaf margins may be chlorotic and necrotic before plant death. Bacterial ooze may be seen streaming from the xylem when infected stems are cut.

Bacterial wilt | Squash

DISEASE: Bacterial wilt

HOST: Squash (Cucurbita maxima)

PATHOGEN: Erwinia tracheiphila

SOURCE: B. Jacobsen, M. Shurtleff

DISEASE: Halo blight

HOST: Yam bean

Leaves with necrotic lesions surrounded by yellow halos.

Halo blight | Yam bean

DISEASE: Halo blight

HOST: Yam bean (Pachyrhizus erosus)

PATHOGEN: Pseudomonas syringae pv. phaseolicola

PATHOGEN SYNONYM: Pseudomonas savastanoi pv. phaseolicola

SOURCE: L. Fucikovsky