RESULTS

(7)

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DISEASE: Bacterial vascular necrosis and rot

HOST: Beet

Cross section of sugar beet with reddish color in vascular bundles and adjacent tissues.

Bacterial vascular necrosis and rot | Beet

DISEASE: Bacterial vascular necrosis and rot

HOST: Beet (Beta vulgaris)

PATHOGEN: Pectobacterium betavasculorum

PATHOGEN SYNONYM: Erwinia carotovora subsp. betavasculorum

SOURCE: M. Schroth

DISEASE: Bacterial vascular necrosis and rot

HOST: Beet

Advanced stage of disease with extensive rot.

Bacterial vascular necrosis and rot | Beet

DISEASE: Bacterial vascular necrosis and rot

HOST: Beet (Beta vulgaris)

PATHOGEN: Pectobacterium betavasculorum

PATHOGEN SYNONYM: Erwinia carotovora subsp. betavasculorum

SOURCE: M. Schroth

DISEASE: Bacterial vascular necrosis and rot

HOST: Beet

Early stage of systemic infection of young plant noted by blackening of midribs and veins.

Bacterial vascular necrosis and rot | Beet

DISEASE: Bacterial vascular necrosis and rot

HOST: Beet (Beta vulgaris)

PATHOGEN: Pectobacterium betavasculorum

PATHOGEN SYNONYM: Erwinia carotovora subsp. betavasculorum

SOURCE: M. Schroth

DISEASE: Bacterial vascular necrosis and rot

HOST: Beet

Infected vascular bundles caused by systemic infection by the bacterium.

Bacterial vascular necrosis and rot | Beet

DISEASE: Bacterial vascular necrosis and rot

HOST: Beet (Beta vulgaris)

PATHOGEN: Pectobacterium betavasculorum

PATHOGEN SYNONYM: Erwinia carotovora subsp. betavasculorum

SOURCE: S. Thomson

DISEASE: Bacterial vascular necrosis and rot

HOST: Beet

Black discoloration of petioles resulting from systemic infection.

Bacterial vascular necrosis and rot | Beet

DISEASE: Bacterial vascular necrosis and rot

HOST: Beet (Beta vulgaris)

PATHOGEN: Pectobacterium betavasculorum

PATHOGEN SYNONYM: Erwinia carotovora subsp. betavasculorum

SOURCE: S. Thomson

DISEASE: Blossom blast

HOST: Apple

Many dead, shriveled flowers and young shoots. It differs from fire blight, with infections being relatively localized with the appearance of being "blasted".

Blossom blast | Apple

DISEASE: Blossom blast

HOST: Apple (Malus domestica)

PATHOGEN: Pseudomonas syringae pv. syringae

SOURCE: M. Schroth

DISEASE: Sumatra disease

HOST: Clove

Diseased tree with defoliation and dieback.

Sumatra disease | Clove

DISEASE: Sumatra disease

HOST: Clove (Syzygium aromaticum)

PATHOGEN: Ralstonia syzygii

SOURCE: A. Hayward