RESULTS

(4)

FILTER

DISEASE: Bacterial leaf spot (Blight)

HOST: Begonia

Initial symptoms appear as small, blisterlike lesions. As lesions age, they enlarge, producing broad patches of necrotic leaf tissue.

Bacterial leaf spot (Blight) | Begonia

DISEASE: Bacterial leaf spot (Blight)

HOST: Begonia (Begonia sp.)

PATHOGEN: Xanthomonas axonopodis pv. begoniae

PATHOGEN SYNONYM: Xanthomonas campestris pv. begoniae

SOURCE: APS

DISEASE: Bacterial leaf spot (Blight)

HOST: Begonia

Advanced stage of disease with dark, large necrotic areas on leaves and interveinal chlorosis.

Bacterial leaf spot (Blight) | Begonia

DISEASE: Bacterial leaf spot (Blight)

HOST: Begonia (Begonia sp.)

PATHOGEN: Xanthomonas axonopodis pv. begoniae

PATHOGEN SYNONYM: Xanthomonas campestris pv. begoniae

SOURCE: APS

DISEASE: Bacterial mushy canker

HOST: Papaya

This disease (Micronesia) differs from bacterial decline by causing blackish, water-soaked, mushy cankers near or in leaf axils or on young stems.

Bacterial mushy canker | Papaya

DISEASE: Bacterial mushy canker

HOST: Papaya (Carica papaya)

PATHOGEN: Erwinia sp.

SOURCE: E. Trujillo

DISEASE: Slippery skin

HOST: Onion

Rot progresses from the top of infected scales and eventually internal tissues rot. In early stages, the only external symptoms may be softening of the neck.

Slippery skin | Onion

DISEASE: Slippery skin

HOST: Onion (Allium cepa)

PATHOGEN: Burkholderia gladioli pv. alliicola

PATHOGEN SYNONYM: Pseudomonas gladioli pv. alliicola

SOURCE: H. Schwartz