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Pseudomonas syringae pv. aesculi Detected on Horse Chestnut in Norway

J. I. Spies Perminow, M. B. Brurberg, A. Sletten, and V. Talgø

May 2014


This is the first report of bleeding canker of horse chestnut in Norway. The pathogen Psa, which has most likely entered the country with latently infected imported trees, seems to thrive and spread well in Norway, especially in the mild and humid climate of Rogaland County. Due to the risk of Psa and the new fungal diseases, we no longer recommend horse chestnut for planting in Norway.


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