Recently the Quality Supervision, Inspection and Quarantine office and the State Forestry Administration (SFA) jointly issued a notice advising that as of 1 November 2013 China has banned the import of Fraxnus (ash) logs and sawnwood from countries and regions in which Fraxnus die-back occurs.
The countries affected are Poland, Lithuania, Latvia, Sweden, the Czech Republic, Germany, Denmark, Estonia, Belarus, Slovakia, Romania, Austria, Norway, Russia (Kaliningrad), Slovenia, Switzerland, Finland, France, Hungary, Italy, Croatia, Belgium, Holland, Britain, Ireland, Ukraine. Ash dieback is caused by the fungus Hymenoscyphus pseudoalbidus previously known as Chalara fraxinea Chalara dieback has seriously affected a high percentage of ash trees in continental Europe most notably in Scandinavia (including Denmark, which has an estimated 90 per cent of ash trees infected) and Baltic States.
The trees susceptible to die-back are Fraxnus excelsior, Fraxinus excelsior Pendula, Fraxinus angustifolia, Fraxinus angustifolia subsp. Danubialis, Fraxinus ornus, Fraxinus nigra, Fraxinus pennsylvanica, Fraxinus Americana and Fraxinus mandschurica.