RESULTS

(8)

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DISEASE: Bacterial gall

HOST: Carrot

Root with many galls of different sizes.

Bacterial gall | Carrot

DISEASE: Bacterial gall

HOST: Carrot (Daucus carota)

PATHOGEN: Rhizobacter dauci

SOURCE: H. Kuwata

DISEASE: Bacterial gall

HOST: Carrot

Galls caused from inoculation of injured roots (left two) and uninjured roots (center two). Uninjured, noninoculated root (right).

Bacterial gall | Carrot

DISEASE: Bacterial gall

HOST: Carrot (Daucus carota)

PATHOGEN: Rhizobacter dauci

SOURCE: M. Goto

DISEASE: Center rot

HOST: Onion

Early symptoms of disease are necrotic, bleached areas on young leaves that typically wilt.

Center rot | Onion

DISEASE: Center rot

HOST: Onion (Allium cepa)

PATHOGEN: Pantoea ananatis

SOURCE: R. Gitaitis

DISEASE: Center rot

HOST: Onion

Advanced stage of center rot. The bacterium has moved down from leaves into the bulb.

Center rot | Onion

DISEASE: Center rot

HOST: Onion (Allium cepa)

PATHOGEN: Pantoea ananatis

SOURCE: H. Schwartz

DISEASE: Center rot

HOST: Onion

Bulb with pale yellow, discolored decayed area.

Center rot | Onion

DISEASE: Center rot

HOST: Onion (Allium cepa)

PATHOGEN: Pantoea ananatis

SOURCE: H. Schwartz

DISEASE: Drippy gill

HOST: Mushroom

Drippy gill is characterized by small dark spots on gills with drops of bacterial ooze at the centers. Severe infection results in slimy areas and collapse of gills.

Drippy gill | Mushroom

DISEASE: Drippy gill

HOST: Mushroom (Agaricus campestris)

PATHOGEN: Pseudomonas agarici

SOURCE: J. Young

DISEASE: Drippy gill

HOST: Mushroom

Close-up of infected gills with bacterial ooze.

Drippy gill | Mushroom

DISEASE: Drippy gill

HOST: Mushroom (Agaricus campestris)

PATHOGEN: Pseudomonas agarici

SOURCE: J. Young

DISEASE: Drippy gill

HOST: Mushroom

Another view of small, dark spots on gills.

Drippy gill | Mushroom

DISEASE: Drippy gill

HOST: Mushroom (Agaricus campestris)

PATHOGEN: Pseudomonas agarici

SOURCE: J. Young