RESULTS

(17)

FILTER

DISEASE: Angular leaf spot

HOST: Tobacco

Leaf with light brown, angular spots. The difference between this disease and wildfire of tobacco is that wildfire is caused by a strain that produces tabtoxin. It causes conspicuous halos around lesions and large parts of a leaf may turn yellow .

Angular leaf spot | Tobacco

DISEASE: Angular leaf spot

HOST: Tobacco (Nicotiana tabacum)

PATHOGEN: Pseudomonas syringae pv. tabaci

SOURCE: H. Shew

DISEASE: Angular leaf spot

HOST: Tobacco

Yellowing of adjacent tissues occur as spots age (midseason). It causes conspicuous halos around lesions. Large parts of a leaf may turn yellow.

Angular leaf spot | Tobacco

DISEASE: Angular leaf spot

HOST: Tobacco (Nicotiana tabacum)

PATHOGEN: Pseudomonas syringae pv. tabaci

SOURCE: H. Shew

DISEASE: Angular leaf spot

HOST: Tobacco

Severely diseased leaf with extensive yellowing.

Angular leaf spot | Tobacco

DISEASE: Angular leaf spot

HOST: Tobacco (Nicotiana tabacum)

PATHOGEN: Pseudomonas syringae pv. tabaci

SOURCE: H. Shew

DISEASE: Bacterial fasciation (Leafy gall)

HOST: Tobacco

Bacterial fasciation of tobacco.

Bacterial fasciation (Leafy gall) | Tobacco

DISEASE: Bacterial fasciation (Leafy gall)

HOST: Tobacco (Nicotiana tabacum)

PATHOGEN: Rhodococcus fascians

SOURCE: R. Raabe

DISEASE: Bacterial rot

HOST: Dracaena

Rot at base of leaves.

Bacterial rot | Dracaena

DISEASE: Bacterial rot

HOST: Dracaena (Dracaena deremensis)

PATHOGEN: Dickeya sp.

PATHOGEN SYNONYM: Erwinia chrysanthemi

SOURCE: A. Alvarez

DISEASE: Bacterial rot

HOST: Dracaena

Systemic rot throughout central stems.

Bacterial rot | Dracaena

DISEASE: Bacterial rot

HOST: Dracaena (Dracaena deremensis)

PATHOGEN: Dickeya sp.

PATHOGEN SYNONYM: Erwinia chrysanthemi

SOURCE: A. Chase

DISEASE: Bacterial spot

HOST: Plum

Infected twig with small cankers.

Bacterial spot | Plum

DISEASE: Bacterial spot

HOST: Plum (Prunus salicina 'Friar')

PATHOGEN: Xanthomonas arboricola pv. pruni

PATHOGEN SYNONYM: Xanthomonas campestris pv. pruni

SOURCE: J. Young

DISEASE: Bacterial spot

HOST: Plum

Close-up of coalescing fruit spots.

Bacterial spot | Plum

DISEASE: Bacterial spot

HOST: Plum (Prunus salicina 'Friar')

PATHOGEN: Xanthomonas arboricola pv. pruni

PATHOGEN SYNONYM: Xanthomonas campestris pv. pruni

SOURCE: S. Mohan

DISEASE: Bacterial spot

HOST: Plum

Close-up of angular leaf spots.

Bacterial spot | Plum

DISEASE: Bacterial spot

HOST: Plum (Prunus salicina 'Friar')

PATHOGEN: Xanthomonas arboricola pv. pruni

PATHOGEN SYNONYM: Xanthomonas campestris pv. pruni

SOURCE: S. Mohan