Ash tree infected with the chalara fraxinea fungus
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Import ban on ash trees in place

29 October 2012 Last updated at 14:37 GMT

An import ban on ash trees comes into force in Scotland on Monday. The deadly fungus has already killed 90% of Denmark's ash trees.

Cases of the chalara fraxinea fungus have been confirmed in Renfrewshire and in England.

BBC Scotland's Sally McNair reports.