RESULTS

(7)

FILTER

DISEASE: Bacterial kernel blight (Leaf blight)

HOST: Barley

Dark, brown discolored kernels at the embryo end and posterior surface.

Bacterial kernel blight (Leaf blight) | Barley

DISEASE: Bacterial kernel blight (Leaf blight)

HOST: Barley (Hordeum vulgare)

PATHOGEN: Pseudomonas syringae pv. syringae

SOURCE: C. Martinez-Miller

DISEASE: Bacterial shoot blight

HOST: Tea

Leaves with reddish brown spots.

Bacterial shoot blight | Tea

DISEASE: Bacterial shoot blight

HOST: Tea (Camellia sinensis)

PATHOGEN: Pseudomonas syringae pv. theae

SOURCE: M. Goto

DISEASE: Deep bark canker

HOST: Walnut

Reddish brown exudate flowing from longitudinal cracks in the trunk. Cankers are deep extending into wood.

Deep bark canker | Walnut

DISEASE: Deep bark canker

HOST: Walnut (Juglans regia 'Hartley')

PATHOGEN: Brenneria rubrifaciens

PATHOGEN SYNONYM: Erwinia rubrifaciens

SOURCE: B. Teviotdale

DISEASE: Deep bark canker

HOST: Walnut

Reddish brown exudate flowing from cracks in trunk, a result of systemic invasion by the bacterium.

Deep bark canker | Walnut

DISEASE: Deep bark canker

HOST: Walnut (Juglans regia 'Hartley')

PATHOGEN: Brenneria rubrifaciens

PATHOGEN SYNONYM: Erwinia rubrifaciens

SOURCE: B. Teviotdale

DISEASE: Deep bark canker

HOST: Walnut

Pits in the wood and black streaks in inner bark are key diagnostic symptoms.

Deep bark canker | Walnut

DISEASE: Deep bark canker

HOST: Walnut (Juglans regia)

PATHOGEN: Brenneria rubrifaciens

PATHOGEN SYNONYM: Erwinia rubrifaciens

SOURCE: N. Schaad, M. Schroth

DISEASE: Deep bark canker

HOST: Walnut

Removal of bark revealed pitted vascular tissues.

Deep bark canker | Walnut

DISEASE: Deep bark canker

HOST: Walnut (Juglans regia 'Hartley')

PATHOGEN: Brenneria rubrifaciens

PATHOGEN SYNONYM: Erwinia rubrifaciens

SOURCE: N. Schaad

DISEASE: Deep bark canker

HOST: Walnut

Dead limbs are characteristic of advanced stage of disease.

Deep bark canker | Walnut

DISEASE: Deep bark canker

HOST: Walnut (Juglans regia 'Hartley')

PATHOGEN: Brenneria rubrifaciens

PATHOGEN SYNONYM: Erwinia rubrifaciens

SOURCE: N. Schaad