RESULTS

(8)

FILTER

DISEASE: Bacterial leaf spot and canker

HOST: Sweetgum

Leaves with irregular necrotic lesions.

Bacterial leaf spot and canker | Sweetgum

DISEASE: Bacterial leaf spot and canker

HOST: Sweetgum (Liquidambar styraciflua)

PATHOGEN: Pseudomonas syringae pv. syringae

SOURCE: A. Bishop

DISEASE: Bacterial leaf spot and canker

HOST: Sweetgum

Stem canker of sweetgum.

Bacterial leaf spot and canker | Sweetgum

DISEASE: Bacterial leaf spot and canker

HOST: Sweetgum (Liquidambar styraciflua)

PATHOGEN: Pseudomonas syringae pv. syringae

SOURCE: A. Bishop

DISEASE: Syringae leaf spot

HOST: Tomato

Leaves with brown necrotic lesions and chlorotic margins. Symptoms vary greatly among cultivars. Some have black or brown lesions with bright yellow, chlorotic areas and others do not have yellowing.

Syringae leaf spot | Tomato

DISEASE: Syringae leaf spot

HOST: Tomato (Lycopersicon esculentum)

PATHOGEN: Pseudomonas syringae pv. syringae

SOURCE: R. Gitaitis

DISEASE: Xanthomonas leaf blight

HOST: Onion

This was the first photo of onion leaf blight, which was considered a controversial finding for 10 years until an outbreak occurred in the West Indies.

Xanthomonas leaf blight | Onion

DISEASE: Xanthomonas leaf blight

HOST: Onion (Allium cepa)

PATHOGEN: Xanthomonas axonopodis pv. allii

PATHOGEN SYNONYM: Xanthomonas campestris pv. allii

SOURCE: A. Alvarez

DISEASE: Xanthomonas leaf blight

HOST: Onion

Diseased leaf with necrotic internal tissues.

Xanthomonas leaf blight | Onion

DISEASE: Xanthomonas leaf blight

HOST: Onion (Allium cepa)

PATHOGEN: Xanthomonas axonopodis pv. allii

PATHOGEN SYNONYM: Xanthomonas campestris pv. allii

SOURCE: A. Alvarez

DISEASE: Xanthomonas leaf blight

HOST: Onion

Onions with brown, necrotic, blighted leaves.

Xanthomonas leaf blight | Onion

DISEASE: Xanthomonas leaf blight

HOST: Onion (Allium cepa)

PATHOGEN: Xanthomonas axonopodis pv. allii

PATHOGEN SYNONYM: Xanthomonas campestris pv. allii

SOURCE: H. Schwartz

DISEASE: Xanthomonas leaf blight

HOST: Onion

Onions with severely blighted leaves.

Xanthomonas leaf blight | Onion

DISEASE: Xanthomonas leaf blight

HOST: Onion (Allium cepa)

PATHOGEN: Xanthomonas axonopodis pv. allii

PATHOGEN SYNONYM: Xanthomonas campestris pv. allii

SOURCE: H. Schwartz

DISEASE: Xanthomonas leaf blight

HOST: Onion

Severely blighted onion leaves.

Xanthomonas leaf blight | Onion

DISEASE: Xanthomonas leaf blight

HOST: Onion (Allium cepa)

PATHOGEN: Xanthomonas axonopodis pv. allii

PATHOGEN SYNONYM: Xanthomonas campestris pv. allii

SOURCE: H. Schwartz