RESULTS

(4)

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DISEASE: Almond leaf scorch

HOST: Almond

Light brown necrotic (scorched) areas on curling leaves.

Almond leaf scorch | Almond

DISEASE: Almond leaf scorch

HOST: Almond (Prunus dulcis)

PATHOGEN: Xylella fastidiosa

SOURCE: W. Sinclair

DISEASE: Almond leaf scorch

HOST: Almond

Dying almond trees with scorched appearance. Initial symptoms are marginal chlorosis, usually late in the year. Scorch often is first noted at leaf tips, symptoms worsen, and terminal branches may die.

Almond leaf scorch | Almond

DISEASE: Almond leaf scorch

HOST: Almond (Prunus dulcis)

PATHOGEN: Xylella fastidiosa

SOURCE: R. Davis, M. Davis

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

DISEASE: Syringae seedling blight and leaf spot

HOST: Pepper

Blight lesions (on transplants) usually begin as water-soaked spots that later turn brown to black. Lesions are on cotyledons and first true leaves.

Syringae seedling blight and leaf spot | Pepper

DISEASE: Syringae seedling blight and leaf spot

HOST: Pepper (Capsicum annuum)

PATHOGEN: Pseudomonas syringae pv. syringae

SOURCE: APS