Minister suggests all may not be lost for UK’s disease-stricken ash trees
Environment Secretary Owen Paterson yesterday said it would not be possible to eradicate a disease which is threatening to devastate the UK’s ash trees.
But he raised hopes that trees could be identified which were resistant to Chalara ash dieback, and said the disease did not necessarily spell the end of the British ash.
Following another meeting of the Government’s emergency committee on tackling Chalara ash dieback, it was revealed that there were now 129 confirmed sites where the disease had been found, including 64 cases in woodland.
The Chalara fraxinea fungus, which causes leaf loss and crown dieback and can lead to tree death in ash trees, has wiped out 90 per cent of ash trees in some parts of Denmark and is becoming widespread throughout central Europe. There are fears that the UK’s ash trees are facing a similar fate to its elms, which were destroyed by Dutch elm disease in the 1970s.
In an action plan published yesterday, the Government ruled out cutting down and burning mature ash trees to stop the disease.
Mature trees are valuable to wildlife, take longer to die and can help experts to learn more about genetic strains that could be resistant to the disease, officials said.
The action plan will focus on tracing and destroying newly planted trees and those in nurseries, and better understanding the disease through research and surveying.
Mr Paterson added: “If we know a small number of trees survived the intense epidemic in Denmark there must be hope here. If we can identify a genetic strain that is resistant, as soon as we get that, as ash grows quite fast, we can start to replace diseased trees.”
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Monday 20 May 2013
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