RESULTS

(8)

FILTER

DISEASE: Angular leaf spot

HOST: Strawberry

Early stage of disease begins as water-soaked, angular lesions, often with yellow ooze. There also are blight and vascular collapse stages.

Angular leaf spot | Strawberry

DISEASE: Angular leaf spot

HOST: Strawberry (Fragaria × ananassa)

PATHOGEN: Xanthomonas fragariae

SOURCE: M. Schroth

DISEASE: Angular leaf spot

HOST: Strawberry

Advanced stage of disease with dry, brownish necrotic lesions on upper leaf surface.

Angular leaf spot | Strawberry

DISEASE: Angular leaf spot

HOST: Strawberry (Fragaria chiloensis)

PATHOGEN: Xanthomonas fragariae

SOURCE: A. Alvarez

DISEASE: Angular leaf spot

HOST: Strawberry

Diseased sepals.

Angular leaf spot | Strawberry

DISEASE: Angular leaf spot

HOST: Strawberry (Fragaria × ananassa)

PATHOGEN: Xanthomonas fragariae

SOURCE: M. Schroth

DISEASE: Angular leaf spot

HOST: Strawberry

Vascular collapse stage occurs from systemic invasion of crown region.

Angular leaf spot | Strawberry

DISEASE: Angular leaf spot

HOST: Strawberry (Fragaria × ananassa)

PATHOGEN: Xanthomonas fragariae

SOURCE: M. Schroth

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: Halo blight

HOST: Rice

Leaves with yellowish brown lesions, 2 to 10 mm in diameter. Lesions are surrounded by distinct halos. Later, brown spots or stripes may develop in the center.

Halo blight | Rice

DISEASE: Halo blight

HOST: Rice (Oryza sativa)

PATHOGEN: Pseudomonas syringae pv. oryzae

SOURCE: H. Kuwata