Ash Dieback Sighting Reporter

January 30, 2013

What is Ash dieback?

Ash dieback of ash is a serious disease of ash trees caused by a fungus called Chalara fraxinea.  The disease causes leaf loss and crown dieback in affected trees, and it can lead to tree death.

Current status

A new strategy to tackle Chalara dieback of ash trees was published in December 2012 by Owen Paterson, Environment Secretary in the United Kingdom Government, alongside the Tree and Plant Health Task Force’s interim report.

The Chalara Control Plan sets out the Government’s objectives for tackling the disease, and outlines the further action to be taken over the next few months. The plan also re-affirms the Government‘s commitment to focus its efforts on:

  • reducing the rate of spread;
  • developing resistance to the disease in the native UK ash tree population;
  • encouraging citizen, landowner and industry engagement and action in tackling the problem; and
  • building resilience in the UK woodland and associated industries.

Chalara is being treated as a quarantine pest under national emergency measures, and it is important that suspected cases of the disease are reported. Sightings of Chalara can be reported through the Tree Alert webpage:

http://www.forestry.gov.uk/website/treedisease.nsf/TreeDiseaseReportWeb#

The Forestry Commission have released a video on how to identify Chalara dieback.

http://www.youtube.com/watch?v=8sI7hgFZ-4g&feature=youtu.be

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