RESULTS

(8)

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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 gall

HOST: Carrot

Root with many galls of different sizes.

Bacterial gall | Carrot

DISEASE: Bacterial gall

HOST: Carrot (Daucus carota)

PATHOGEN: Rhizobacter dauci

SOURCE: H. Kuwata

DISEASE: Bacterial gall

HOST: Carrot

Galls caused from inoculation of injured roots (left two) and uninjured roots (center two). Uninjured, noninoculated root (right).

Bacterial gall | Carrot

DISEASE: Bacterial gall

HOST: Carrot (Daucus carota)

PATHOGEN: Rhizobacter dauci

SOURCE: M. Goto

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