RESULTS

(4)

FILTER

DISEASE: Bacterial leaf spot (Bacterial necrosis)

HOST: Cassava

Cassava with yellowish leaves and water-soaked, angular spots. The disease is primarily on foliage, although the pathogen may invade stem buds and young branches.

Bacterial leaf spot (Bacterial necrosis) | Cassava

DISEASE: Bacterial leaf spot (Bacterial necrosis)

HOST: Cassava (Manihot esculenta)

PATHOGEN: Xanthomonas cassavae

PATHOGEN SYNONYM: Xanthomonas campestris pv. cassavae

SOURCE: APS

DISEASE: Bacterial leaf spot (Bacterial necrosis)

HOST: Cassava

Cassava with brownish lesions and blackish edges. Leaves turn yellow with multiple infection sites.

Bacterial leaf spot (Bacterial necrosis) | Cassava

DISEASE: Bacterial leaf spot (Bacterial necrosis)

HOST: Cassava (Manihot esculenta)

PATHOGEN: Xanthomonas cassavae

PATHOGEN SYNONYM: Xanthomonas campestris pv. cassavae

SOURCE: H. Maraite, A. Alvarez

DISEASE: Gumming disease

HOST: Sugarcane

Symptoms include brownish red streaks on leaves with apical chlorosis. Streaks become necrotic with time. Plants are stunted with reddening of vascular bundles.

Gumming disease | Sugarcane

DISEASE: Gumming disease

HOST: Sugarcane (Saccharum officinarum)

PATHOGEN: Xanthomonas axonopodis pv. vasculorum

PATHOGEN SYNONYM: Xanthomonas campestris pv. vasculorum

SOURCE: APS

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