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Pseudomonas savastanoi nerii
Oleander knot
Description
The bacterium Pseudomonas savastanoi pv. nerii is a causal agent of parenchymatous galls on leaves of oleander plants. Yellow spots are often present. There can be some small round galls (knots, outgrowths) on upper side of leaves surface. P. savastanoi prefer warmer climates. It can be a serious pest in the production of potted oleander plants.
Symptom
Yellow patches, leaves deformations and small round galls (knots, outgrowths) on upper side of leaves surface.
Tree Species: Oleander
Part of a plant- attacked: Leaf / Needle
Pest significance: Very harmful
Pest Category: Bacteria and viruses
Invasive Species: No
Present in EU: Yes
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Location map: Pseudomonas savastanoi nerii
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Last observations
There are a total of 6 observations of the species in the system
Pseudomonas savastanoi neriiOleander knot
milan
Number of votes: 0
Published: 17.6.2025
Pseudomonas savastanoi neriiOleander knot
milan
Number of votes: 0
Published: 17.6.2025
Pseudomonas savastanoi neriiOleander knot
Ken G
Number of votes: 0
Published: 25.5.2025
Pseudomonas savastanoi neriiOleander knot
Ingrid
Number of votes: 0
Published: 23.6.2024
Pseudomonas savastanoi neriiOleander knot
Ingrid
Number of votes: 0
Published: 23.6.2024
Similar damage
Oleander aphid
Oak marble gall Andricus kollari
European pear rust
