RESULTS

(4)

FILTER

DISEASE: Apple proliferation

HOST: Apple

Enlarged stipules on leaf. Witches'-brooms, rosettes, and enlarged stipules are the most reliable symptoms for identification.

Apple proliferation | Apple

DISEASE: Apple proliferation

HOST: Apple (Malus domestica 'Granny Smith')

PATHOGEN: 'Candidatus Phytoplasma mali'

PATHOGEN SYNONYM: Phytoplasma Apple proliferation group

SOURCE: M. Wolf, W. Schweigkofler

DISEASE: Bacterial leaf spot (Blight)

HOST: Coriander

Coriander with spots and yellowing of blighted leaves.

Bacterial leaf spot (Blight) | Coriander

DISEASE: Bacterial leaf spot (Blight)

HOST: Coriander (Coriandrum sativum)

PATHOGEN: Pseudomonas syringae pv. coriandricola

SOURCE: L. Fucikovsky

DISEASE: Bacterial leaf spot

HOST: Cilantro

Leaves with vein-delimited, dark brown to black spots.

Bacterial leaf spot | Cilantro

DISEASE: Bacterial leaf spot

HOST: Cilantro (Coriandrum sativum)

PATHOGEN: Pseudomonas syringae pv. coriandricola

SOURCE: K. Pernezny

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