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The Ash Dieback Problem

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Published on Oct 30, 2012

Our resident tree expert Markus Eichhorn on the latest tree crisis - Ash Dieback or Chalara Dieback. See more tree videos at http://www.youtube.com/playlist?list=...

Forestry Commission info at: http://www.forestry.gov.uk/chalara

Test Tube by video journalist Brady Haran for the University of Nottingham.
More at http://www.test-tube.org.uk/

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