Thursday, November 14, 2019

Free resource to help deal with ash dieback

September 10, 2019 by  
Filed under News & Business

New guidance to deal with ash tree dieback has been published by one of the UK’s largest environmental planning and forestry consultancies.

Northamptonshire-based Lockhart Garratt said it prepared the Sunset for Ash Trees guide to help landowners, farmers and others with responsibility for managing and maintaining locations where ash trees grow.

The guide includes sections on what ash dieback is and how it spreads – as well as looking at the impact of the disease, how it can best be managed and what a tree owner’s specific responsibilities are.

Chalara ash dieback arrived from Europe in 2012. But it is thought to have been present in the UK for around 15 years. The disease is similar to Dutch elm disease. It blocks the water transport systems in trees causing leaf loss and lesions in the wood and on the bark.

Ultimately, the crown of the infected tree dies. But unlike Dutch elm disease, which is spread by beetles, ash dieback is airborne – spread by fungal spores from the stalks of central leaves which fell during the previous year.

Guide author and senior arboricultural consultant Andy Poynter says ash trees still have an important role to play. He advises clients to take a balanced approach to the management of these assets in relation to the threat of ash dieback.

“Ash dieback is now a commonly known disease in the UK but that doesn’t make its impact any less serious. We need to learn from the experience of mainland Europe where the disease has been present since 1992.

“This suggests that the majority of ash trees will decline or die over the next 10-15 years, which means that we have a limited time frame for action. A balanced approach for management that endeavours to practically accommodate resistant and tolerant ash trees is imperative.”

For a free copy of the guide, visit www.lockhart-garratt.co.uk.

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