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: Bacterial leaf streak
HOST: Sorghum
Symptoms typically begin as water-soaked streaks expanding into irregular-shaped, reddish brown streaks. Symptoms are similar to bacterial leaf stripe.
Bacterial leaf streak | Sorghum
DISEASE: Bacterial leaf streak
HOST: Sorghum (Sorghum bicolor)
PATHOGEN: Xanthomonas vasicola pv. holcicola
SOURCE: J. Young
DISEASE: Bacterial leaf streak
HOST: Sorghum
Leaf with reddish purple, interveinal streaks.
Bacterial leaf streak | Sorghum
DISEASE: Bacterial leaf streak
HOST: Sorghum (Sorghum bicolor)
PATHOGEN: Xanthomonas vasicola pv. holcicola
SOURCE: L. Claflin
DISEASE: Enterobacter bulb decay
HOST: Onion
Onion bulb with extensive soft, brown rot.
Enterobacter bulb decay | Onion
DISEASE: Enterobacter bulb decay
HOST: Onion (Allium cepa)
PATHOGEN: Enterobacter cloacae
SOURCE: H. Schwartz
DISEASE: Internal yellowing
HOST: Papaya
Yellow discoloration of flesh. The affected area is soft and has an acrid odor.
Internal yellowing | Papaya
DISEASE: Internal yellowing
HOST: Papaya (Carica papaya)
PATHOGEN: Enterobacter cloacae
SOURCE: K. Nishijima