RESULTS

(3)

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DISEASE: Bacterial leaf spot

HOST: Bean

Leaves of velvet bean with necrotic lesions.

Bacterial leaf spot | Bean

DISEASE: Bacterial leaf spot

HOST: Bean (Mucuna pruriens var. utilis)

PATHOGEN: Burkholderia andropogonis

PATHOGEN SYNONYM: Pseudomonas andropogonis

SOURCE: R. Gitaitis

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: Bois noir disease

HOST: Grape

Infected plant with typical symptoms of rolling, triangular-trapezoid-shaped leaves with desiccated appearance.

Bois noir disease | Grape

DISEASE: Bois noir disease

HOST: Grape (Vitis vinifera 'Pinot Noir')

PATHOGEN: 'Candidatus Phytoplasma solani'

PATHOGEN SYNONYM: Phytoplasma Stolbur group

SOURCE: W. Schweigkofler