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Ash dieback: Scientists test for resistant trees

25 October 2013 Last updated at 14:27 BST

One year on from the first confirmed case of ash dieback in Britain's mature woodland, experts are looking at ways to future-proof forests.

Tens of thousands of trees with the disease have been identified across the UK with little sign of its spread slowing. There is currently no known cure.

Sangita Myska reports.