RESULTS

(5)

FILTER

DISEASE: Bacterial soft rot

HOST: Wasabi (Japanese horseradish)

Longitudinal sections of diseased rhizomes with discolored vascular tissues.

Bacterial soft rot | Wasabi (Japanese horseradish)

DISEASE: Bacterial soft rot

HOST: Wasabi (Japanese horseradish) (Wasabia japonica)

PATHOGEN: Pectobacterium wasabiae

PATHOGEN SYNONYM: Erwinia carotovora subsp. wasabiae

SOURCE: M. Goto

DISEASE: Bacterial soft rot

HOST: Wasabi (Japanese horseradish)

Longitudinal section of rhizome with discolored vascular bundles (left), and rhizome with external symptoms (right).

Bacterial soft rot | Wasabi (Japanese horseradish)

DISEASE: Bacterial soft rot

HOST: Wasabi (Japanese horseradish) (Wasabia japonica)

PATHOGEN: Pectobacterium wasabiae

PATHOGEN SYNONYM: Erwinia carotovora subsp. wasabiae

SOURCE: M. Goto

DISEASE: Bacterial soft rot

HOST: Wasabi (Japanese horseradish)

Cross section of rhizome with dark, infected vascular bundles.

Bacterial soft rot | Wasabi (Japanese horseradish)

DISEASE: Bacterial soft rot

HOST: Wasabi (Japanese horseradish) (Wasabia japonica)

PATHOGEN: Pectobacterium wasabiae

PATHOGEN SYNONYM: Erwinia carotovora subsp. wasabiae

SOURCE: G. Rodriguez

DISEASE: Rugose leaf curl

HOST: Clover

Two rugose, distorted white clover leaves and a healthy leaf. Rugose leaf curl is caused by an unidentified phloem-infecting bacterium.

Rugose leaf curl | Clover

DISEASE: Rugose leaf curl

HOST: Clover (Trifolium repens)

PATHOGEN: Phloem-infecting bacterium

SOURCE: D. Teakle

DISEASE: Slippery skin

HOST: Onion

Rot progresses from the top of infected scales and eventually internal tissues rot. In early stages, the only external symptoms may be softening of the neck.

Slippery skin | Onion

DISEASE: Slippery skin

HOST: Onion (Allium cepa)

PATHOGEN: Burkholderia gladioli pv. alliicola

PATHOGEN SYNONYM: Pseudomonas gladioli pv. alliicola

SOURCE: H. Schwartz