DISEASE: Bacterial leaf spot
HOST: Geranium
Leaves with varying degrees of disease severity.
Bacterial leaf spot | Geranium
DISEASE: Bacterial leaf spot
HOST: Geranium (Pelargonium sp.)
PATHOGEN: Pseudomonas syringae pv. syringae
SOURCE: APS
DISEASE: Bacterial leaf spot
HOST: Kudzu
Leaf of kudzu bean with tiny lesions surrounded by large, yellow halos. This also fits the description of halo blight of kudzu.
Bacterial leaf spot | Kudzu
DISEASE: Bacterial leaf spot
HOST: Kudzu (Pueraria montana var. lobata)
PATHOGEN: Pseudomonas syringae pv. syringae
SOURCE: R. Gitaitis
DISEASE: Bacterial leaf spot
HOST: Pumpkin
Leaf with angular, dark spots delimited by veins.
Bacterial leaf spot | Pumpkin
DISEASE: Bacterial leaf spot
HOST: Pumpkin (Cucurbita pepo)
PATHOGEN: Pseudomonas syringae pv. syringae
SOURCE: J. Young
DISEASE: Bacterial leaf spot
HOST: Sorghum
Leaf with red and necrotic streaks along veins.
Bacterial leaf spot | Sorghum
DISEASE: Bacterial leaf spot
HOST: Sorghum (Sorghum bicolor)
PATHOGEN: Pseudomonas syringae pv. syringae
SOURCE: L. Claflin
DISEASE: Bacterial leaf spot
HOST: Sorghum
Clustering of small purplish lesions in localized region of leaf.
Bacterial leaf spot | Sorghum
DISEASE: Bacterial leaf spot
HOST: Sorghum (Sorghum bicolor)
PATHOGEN: Pseudomonas syringae pv. syringae
SOURCE: L. Claflin
DISEASE: Blossom blast
HOST: Apple
Many dead, shriveled flowers and young shoots. It differs from fire blight, with infections being relatively localized with the appearance of being "blasted".
Blossom blast | Apple
DISEASE: Blossom blast
HOST: Apple (Malus domestica)
PATHOGEN: Pseudomonas syringae pv. syringae
SOURCE: M. Schroth
DISEASE: Holcus spot
HOST: Corn (Maize)
Corn leaf with chlorotic spots.
Holcus spot | Corn (Maize)
DISEASE: Holcus spot
HOST: Corn (Maize) (Zea mays)
PATHOGEN: Pseudomonas syringae pv. syringae
SOURCE: L. Claflin
DISEASE: Sweet potato scab
HOST: Sweet potato
Tubers with large, dark scabs.
Sweet potato scab | Sweet potato
DISEASE: Sweet potato scab
HOST: Sweet potato (Ipomoea batatas)
PATHOGEN: Streptomyces ipomoeae
SOURCE: APS
DISEASE: Sweet potato scab
HOST: Sweet potato
Black and necrotic decay of fibrous roots.
Sweet potato scab | Sweet potato
DISEASE: Sweet potato scab
HOST: Sweet potato (Ipomoea batatas)
PATHOGEN: Streptomyces ipomoeae
SOURCE: W. Martin