RESULTS

(5)

FILTER

DISEASE: Bacterial foot rot

HOST: Rice

The disease causes sheaths to turn dark brown and rot; dead leaves droop. Nodes, culms, and crowns also decay, and infected tillers are easily detached from the crown. Culms and internodes turn black.

Bacterial foot rot | Rice

DISEASE: Bacterial foot rot

HOST: Rice (Oryza sativa)

PATHOGEN: Dickeya zeae

PATHOGEN SYNONYM: Erwinia chrysanthemi pv. zeae

SOURCE: M. Goto

DISEASE: Bacterial foot rot

HOST: Rice

Decayed culms (right) and healthy culms (left). Leaf sheaths of infected plants exhibit dark brown decay and attached leaves turn yellow and wilt.

Bacterial foot rot | Rice

DISEASE: Bacterial foot rot

HOST: Rice (Oryza sativa)

PATHOGEN: Dickeya zeae

PATHOGEN SYNONYM: Erwinia chrysanthemi pv. zeae

SOURCE: M. Goto

DISEASE: Bacterial hyperplastic canker

HOST: Almond

Diseased tree with multiple cankers. Margins of cankers are rough, soft, cheesy, dark brown, and have scalloped water-soaked spots that turn brown. Multiple cankers may girdle and kill small twigs.

Bacterial hyperplastic canker | Almond

DISEASE: Bacterial hyperplastic canker

HOST: Almond (Prunus dulcis)

PATHOGEN: Pseudomonas amygdali

SOURCE: P. Psallidas

DISEASE: Wildfire

HOST: Soybean

Close-up of lesions with large, yellow halos.

Wildfire | Soybean

DISEASE: Wildfire

HOST: Soybean (Glycine max)

PATHOGEN: Pseudomonas syringae pv. tabaci

SOURCE: J. Forsberg, M. Shurtleff

DISEASE: Wildfire

HOST: Soybean

Leaf with brown necrotic spots with yellow halos. During dry weather, lesions become dry and dead areas tear off, leaving a tattered appearance.

Wildfire | Soybean

DISEASE: Wildfire

HOST: Soybean (Glycine max)

PATHOGEN: Pseudomonas syringae pv. tabaci

SOURCE: D. Teakle