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Pseudomonas syringae pv. Syringae
DISEASE: Bacterial canker
HOST: Almond
Infected tissues with reddish necrotic spots, a key diagnostic symptom for the disease. Spots and streaks are commonly seen when bark is removed.
Bacterial canker | Almond
DISEASE: Bacterial canker
HOST: Almond (Prunus dulcis)
PATHOGEN: Pseudomonas syringae pv. syringae
SOURCE: B. Teviotdale
DISEASE: Bacterial canker
HOST: Almond
Diamond-shaped canker on infected limb. Such cankers are common on small limbs and spurs.
Bacterial canker | Almond
DISEASE: Bacterial canker
HOST: Almond (Prunus dulcis)
PATHOGEN: Pseudomonas syringae pv. syringae
SOURCE: B. Teviotdale
DISEASE: Pseudomonas leaf spot
HOST: Marigold
Marigolds with yellow apical chlorosis attributed to toxin production by the pathogen.
Pseudomonas leaf spot | Marigold
DISEASE: Pseudomonas leaf spot
HOST: Marigold (Tagetes erecta)
PATHOGEN: Pseudomonas syringae pv. tagetis
SOURCE: R. Durbin
DISEASE: Pseudomonas leaf spot
HOST: Marigold
Chlorotic leaves with total loss of chlorophyll. Disease is also known as toxic chlorosis.
Pseudomonas leaf spot | Marigold
DISEASE: Pseudomonas leaf spot
HOST: Marigold (Tagetes erecta)
PATHOGEN: Pseudomonas syringae pv. tagetis
SOURCE: R. Durbin