First report of Xanthomonas axonopodis pv. poinsettiicola in Norway
In Norway, the presence of Xanthomonas axonopodis pv. poinsettiicola (EPPO A2 List) was detected for the first time in September 2010. The bacterium was detected on samples of poinsettias (Euphorbia pulcherrima) which had been sent for analysis by a grower located in Hordaland county. In the period following the first detection, Norwegian poinsettia growers were advised to inspect their crops. Suspect samples were received from 28 poinsettia producers and X. axonopodis pv. poinsettiicola was detected at 15 additional places of production. Growers were recommended to disinfect their premises and start the new growing season with healthy planting material. It is stressed that in Norway, poinsettia is the largest flowering potted-plant production with approximately 6 million plants produced yearly, and that most of these plants are produced from imported cuttings.
The situation of Xanthomonas axonopodis pv. poinsettiicola in Norway can be described as follows: Present, detected in 2010 in 16 places of production.
Perminow JIS, Sletten A, Brurberg MV (2011) First report of leaf spot caused by Xanthomonas axonopodis pv. poinsettiicola on poinsettia (Euphorbia pulcherrima) in Norway. Plant Disease 95(7), p 1187.