RESULTS

(4)

FILTER

DISEASE: Bacterial rot

HOST: Dracaena

Rot at base of leaves.

Bacterial rot | Dracaena

DISEASE: Bacterial rot

HOST: Dracaena (Dracaena deremensis)

PATHOGEN: Dickeya sp.

PATHOGEN SYNONYM: Erwinia chrysanthemi

SOURCE: A. Alvarez

DISEASE: Bacterial rot

HOST: Dracaena

Systemic rot throughout central stems.

Bacterial rot | Dracaena

DISEASE: Bacterial rot

HOST: Dracaena (Dracaena deremensis)

PATHOGEN: Dickeya sp.

PATHOGEN SYNONYM: Erwinia chrysanthemi

SOURCE: A. Chase

DISEASE: Elm yellows

HOST: Elm

Elm yellows is characterized by witches'-brooms and stunting. Some cultivars have both yellow and reddish foliar discoloration.

Elm yellows | Elm

DISEASE: Elm yellows

HOST: Elm (Ulmus parvifolia)

PATHOGEN: 'Candidatus Phytoplasma ulmi'

PATHOGEN SYNONYM: Phytoplasma Elm yellows group

SOURCE: W. Sinclair

DISEASE: Pseudomonas leaf spot

HOST: Primrose

Leaf with brownish red spots and reddening of adjacent areas. Disease begins as small, water-soaked lesions that later coalesce into large necrotic spots.

Pseudomonas leaf spot | Primrose

DISEASE: Pseudomonas leaf spot

HOST: Primrose (Primula sp.)

PATHOGEN: Pseudomonas syringae pv. primulae

SOURCE: APS