RESULTS

(5)

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DISEASE: Bacterial leaf spot of beet

HOST: Beet

Beet leaves with spots and marginal necrosis.

Bacterial leaf spot of beet | Beet

DISEASE: Bacterial leaf spot of beet

HOST: Beet (Beta vulgaris subsp. vulgaris)

PATHOGEN: Pseudomonas syringae pv. aptata

PATHOGEN SYNONYM: Pseudomonas aptata

SOURCE: P. Brown

DISEASE: Bacterial leaf spot

HOST: Rhododendron

Leaf with light brown, irregularly shaped spots.

Bacterial leaf spot | Rhododendron

DISEASE: Bacterial leaf spot

HOST: Rhododendron (Rhododendron catawbiense 'Album')

PATHOGEN: Pseudomonas cichorii

SOURCE: W. Uddin, W. Sinclair

DISEASE: Olive knot

HOST: Olive

Multiple infections of young stems. The bacterium invades vascular tissues during certain times of the year and may be isolated from branches that appear healthy.

Olive knot | Olive

DISEASE: Olive knot

HOST: Olive (Olea europaea)

PATHOGEN: Pseudomonas savastanoi pv. savastanoi

SOURCE: M. Schroth

DISEASE: Olive knot

HOST: Olive

Tree with knots/galls on branches along with twig dieback, which is associated with knots. Fusarium and Diplodia spp. infect through knots and are thought to be main reason for dieback.

Olive knot | Olive

DISEASE: Olive knot

HOST: Olive (Olea europaea)

PATHOGEN: Pseudomonas savastanoi pv. savastanoi

SOURCE: M. Schroth

DISEASE: Olive knot

HOST: Olive

Multiple infections on olive branch. Knots at this stage begin to die from the outside in and are infected by several fungi.

Olive knot | Olive

DISEASE: Olive knot

HOST: Olive (Olea europaea)

PATHOGEN: Pseudomonas savastanoi pv. savastanoi

SOURCE: M. Schroth