RESULTS

(4)

FILTER

DISEASE: Bacterial palea browning

HOST: Rice

Early stage of disease with browning of palea.

Bacterial palea browning | Rice

DISEASE: Bacterial palea browning

HOST: Rice (Oryza sativa)

PATHOGEN: Pantoea agglomerans

PATHOGEN SYNONYM: Erwinia herbicola

SOURCE: K. Ozaki, M. Goto

DISEASE: Bacterial palea browning

HOST: Rice

Browning of palea begins with water-soaked lesions that later turn dark brown. Infected grains become brown after milling.

Bacterial palea browning | Rice

DISEASE: Bacterial palea browning

HOST: Rice (Oryza sativa)

PATHOGEN: Pantoea agglomerans

PATHOGEN SYNONYM: Erwinia herbicola

SOURCE: T. Mew

DISEASE: Larkspur virescence

HOST: Larkspur

Two diseased plants with stunted and small leaves, lack of flower coloration, and bunched flower buds. Healthy plant (left).

Larkspur virescence | Larkspur

DISEASE: Larkspur virescence

HOST: Larkspur (Delphinium sp.)

PATHOGEN: 'Candidatus Phytoplasma asteris'

PATHOGEN SYNONYM: Phytoplasma Aster yellows group

SOURCE: R. Raabe

DISEASE: Wildfire (Angular leaf spot)

HOST: Tobacco

Characteristic symptoms are necrotic, brown spots with angular margins surrounded by distinct yellow halos. The halos are caused by the production of tabtoxin.

Wildfire (Angular leaf spot) | Tobacco

DISEASE: Wildfire (Angular leaf spot)

HOST: Tobacco (Nicotiana tabacum)

PATHOGEN: Pseudomonas syringae pv. tabaci

SOURCE: G. Lucas