RESULTS

(5)

FILTER

DISEASE: Bermudagrass white leaf

HOST: Grass

White leaf disease of bermudagrass.

Bermudagrass white leaf | Grass

DISEASE: Bermudagrass white leaf

HOST: Grass (Cynodon transvaalensis)

PATHOGEN: 'Candidatus Phytoplasma cynodontis'

PATHOGEN SYNONYM: Phytoplasma Bermuda white leaf group

SOURCE: M. Davis

DISEASE: Halo blight

HOST: Rice

Leaves with yellowish brown lesions, 2 to 10 mm in diameter. Lesions are surrounded by distinct halos. Later, brown spots or stripes may develop in the center.

Halo blight | Rice

DISEASE: Halo blight

HOST: Rice (Oryza sativa)

PATHOGEN: Pseudomonas syringae pv. oryzae

SOURCE: H. Kuwata

DISEASE: Shallow bark canker

HOST: Walnut

Diseased, discolored tissues revealed by removing external bark.

Shallow bark canker | Walnut

DISEASE: Shallow bark canker

HOST: Walnut (Juglans regia 'Hartley')

PATHOGEN: Brenneria nigrifluens

PATHOGEN SYNONYM: Erwinia nigrifluens

SOURCE: B. Teviotdale

DISEASE: Shallow bark canker

HOST: Walnut

Trunk with brown exudate shallow cankers.

Shallow bark canker | Walnut

DISEASE: Shallow bark canker

HOST: Walnut (Juglans regia 'Hartley')

PATHOGEN: Brenneria nigrifluens

PATHOGEN SYNONYM: Erwinia nigrifluens

SOURCE: B. Teviotdale

DISEASE: Shallow bark canker

HOST: Walnut

Multiple cankers with brown exudate. Cankers on trunk are shallow.

Shallow bark canker | Walnut

DISEASE: Shallow bark canker

HOST: Walnut (Juglans regia 'Hartley')

PATHOGEN: Brenneria nigrifluens

PATHOGEN SYNONYM: Erwinia nigrifluens

SOURCE: B. Teviotdale