RESULTS

(3)

FILTER

DISEASE: Bacterial hyperplastic canker

HOST: Almond

Diseased tree with multiple cankers. Margins of cankers are rough, soft, cheesy, dark brown, and have scalloped water-soaked spots that turn brown. Multiple cankers may girdle and kill small twigs.

Bacterial hyperplastic canker | Almond

DISEASE: Bacterial hyperplastic canker

HOST: Almond (Prunus dulcis)

PATHOGEN: Pseudomonas amygdali

SOURCE: P. Psallidas

DISEASE: Bacterial leaf spot (Head rot)

HOST: Lettuce

Leaf with black, greasy spots that tend to be vein delimited. Lesions begin as small, angular, water-soaked lesions that coalesce, resulting in large necrotic areas.

Bacterial leaf spot (Head rot) | Lettuce

DISEASE: Bacterial leaf spot (Head rot)

HOST: Lettuce (Lactuca sativa)

PATHOGEN: Xanthomonas axonopodis pv. vitians

PATHOGEN SYNONYM: Xanthomonas campestris pv. vitians

SOURCE: A. Alvarez

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