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Ash disease spreads to Scotland

Ash dieback has been found in seven sites in Scotland, including the Dumfries and Galloway.

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Ash dieback disease spreads to Scotland

A disease threatening the future of ash trees has been found in seven sites in Scotland.

The Forestry Commission Scotland carried out a survey to measure the spread of chalara dieback. It five infected sites including Castle Douglas in Dumfries and Galloway and Eyemouth in the Scottish Borders.

Chalara dieback is threatening to wipe out most of the UK's ash trees and has already killed up to 90% of ash trees in areas of Denmark.

The infected sites will be revisited for further examination

Environment Minister Paul Wheelhouse said the survey results should be "cautiously welcomed" adding:

"To establish the extent of the disease, Forestry Commission Scotland has been carrying out a rapid survey involving inspecting 2,730 ash sites across Scotland. Action is also under way to trace the destination of plants sent out from potentially infected nurseries.

"Only 5% of the sites visited in the rapid survey showed any potential symptoms meriting more detailed investigations and subsequent laboratory analysis and this work is ongoing.

– Environment Minister Paul Wheelhouse

"In addition to the two sites already confirmed, a further five sites have so far been confirmed as being infected, bringing the total known confirmed cases to seven in Scotland.

"Further surveys, including more detailed surveys in areas around infected sites, will be needed before we can be confident about the full extent of the disease in Scotland. There is also the possibility of windborne spread of the disease from the continent and from infected sites elsewhere in these isles."

– Environment Minister Paul Wheelhouse

The Forestry Commission said the disease only spreads in summer so there is now an opportunity to take action.

There is no risk to humans or animals and no need to restrict public access to woodlands.

Dr Steve Woodward specialises in plant diseases, he said:

"Around 30% of our woodland trees are ash and it hosts lots of insects, non-damaging fungus and of course birds and bats nest in it so it is very, very important ecologically and environmentally.

"The disease spreads through spores that appear on leaves or young twigs that have died. The fungus is in the leaf stock over winter and when it warms up in spring it produces these little spores - small discs - that are blown around and if they land on suitable tissue they will infect the tree."

– Dr Steve Woodward

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