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  • Publications
    Forestry publication document

    Phytophthora austrocedri – Pest Alert
    Lead Author: Forestry Commission
    Phytophthora austrocedri (previously spelled austrocedrae) is an aggressive, fungus-like pathogen that poses a serious threat to juniper trees in Britain. Juniper is an important native species and a significant proportion of the small area of juniper woodland in Britain is protected. Phytophthora austrocedri was first reported in the UK in 2011, and infected trees have […]
  • Publications
    Forestry publication document

    Elm yellows – Pest Alert
    Lead Author: Forestry Commission
    Elm yellows is a disease of elm trees caused by a type of bacterium known as a phytoplasma. Symptoms of the disease can range from yellowing of leaves to dieback of foliage and branches. Elm yellows has been found affecting elm trees in North America and a few European countries, but in 2014 it was […]
  • Publications
    Forestry publication document

    Phytophthora lateralis – Pest Alert
    Lead Author: Forestry Commission
    Phytophthora lateralis is an aggressive, fungus-like pathogen of Lawson cypress trees. It mainly attacks the roots of trees and can spread up through the trunk resulting in the rapid decline and death of the tree. Thought to originate in Asia, the disease is the main cause of mortality in Lawson cypress in its native range […]
  • Publications
    Forestry publication document

    Asian longhorn beetle – Pest Alert
    Lead Author: Forestry Commission
    The Asian longhorn beetle, a native to China and southeast Asia, is an invasive pest of trees in Britain. The larvae of the beetle feed on the wood of a wide range of broadleaved trees, which causes damage and will ultimately kill affected trees. The beetle has caused extensive damage to trees where it has […]
  • Publications
    Forestry publication document

    Ash dieback disease – Pest Alert
    Lead Author: Forestry Commission
    Ash dieback is a disease of ash trees caused by a fungus called Chalara fraxinea. The disease causes leaf loss and crown dieback in affected trees and it may lead to tree death. This Pest Alert provides information on distribution, symptoms, how the disease spreads and what you can do to help, as well as […]
  • Publications

    Biosecurity – good working practice for those involved in forestry
    Lead Author: Forestry Commission
    The Forestry Commission has produced guidance on biosecurity measures and good working practice for the forestry sector. This guidance is for anyone who works for, or carries out official duties on behalf of, the Forestry Commission. The booklet details practical steps designed to minimise the risk of introducing or spreading pests and diseases. It includes […]
  • Publications
    Forestry publication document

    The United Kingdom Wood Packaging Material Marking Programme
    Lead Author: Forestry Commission
    This leaflet sets out the obligations of manufacturers, repairers, recyclers and others involved in the wood packaging material sector under the United Kingdom Wood Packaging Material Marking Programme.
  • Publications
    Forestry publication document

    Pine-tree lappet moth – Pest Alert
    Lead Author: Forestry Commission
    The pine-tree lappet moth has caused severe defoliation of Scots pine trees on many occasions in Eastern Europe. An initial assessment of the potential impact of the moth in Britain is that it presents a significant threat to the pine forests of northeast Scotland – and further afield if allowed to spread. This Pest Alert […]