DISEASE: Bacterial wilt and blight
HOST: Chrysanthemum
Plants with characteristic symptoms of wilt.
Bacterial wilt and blight | Chrysanthemum
DISEASE: Bacterial wilt and blight
HOST: Chrysanthemum (Chrysanthemum morifolium)
PATHOGEN: Dickeya sp.
PATHOGEN SYNONYM: Erwinia chrysanthemi
SOURCE: A. Alvarez
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: 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