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263 Search Results

  • Research

    Ash dieback impact

     This project assesses the potential ecological impact of the disease ash dieback on UK woodlands and species and investigates possible solutions which might be achieved through woodland management.
  • 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, fungallike 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 […]
  • Research

    Ash dieback mass screening trials

     Chalara ash dieback resistance trials across the UK
  • Research

    Social and economic analysis of DNB

     Details of the Dothistroma Needle Blight management strategy
  • Research

    Tree health stakeholders: attitudes, activities and roles

     This page summarises Forest Research’s work in a Defra-funded project to identify and analyse all stakeholders involved in monitoring and protecting the health of trees in the UK.
  • Research

    Improved early detection of oak processionary moth

     Details of the improved methods for the early detection of Oak Processionary Moth
  • Research

    Social analysis of the ALB outbreak

     This page summarises findings from Forest Research’s analysis of the 2012 outbreak of Asian Longhorn Beetle (ALB) in Kent, funded by Defra.
  • Publications
    Forestry publication document

    Monitoring the oak processionary moth with Pheromone traps
    Lead Author: Nigel A Straw
    The oak processionary moth is a serious forestry pest that is capable of causing complete defoliation of oak trees. Its caterpillars are also a hazard to health. Breeding populations of the moth were discovered for the first time in the UK in London in 2006 and these initial infestations have since spread and the moth […]
  • Publications
    Forestry publication document

    Modelling ecological networks and dispersal in grey squirrels
    Lead Author: Claire Stevenson
    Understanding the role of the landscape matrix in species dispersal is important when targeting conservation and management strategies. This Research Note shows how least-cost modelling was used to assess invasive grey squirrel Sciurus carolinensis dispersal movements within the UK, with a focus on the county of Cumbria. Two major networks were identified separated by the […]
  • 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
    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

    Minimising the impact of the great spruce bark beetle
    Lead Author: Forestry Commission
    The great spruce bark beetle is found in forests throughout continental Europe. It damages spruce trees by tunnelling into the bark of the living trees to lay its eggs under the bark. The developing larvae feed on the inner woody layers, which weakens, and in some cases may kill, the tree. The beetle was first […]
  • Publications

    Tree pest and disease posters

     A selection of posters that can be downloaded as PDFs and then printed at a size to suit (up to A0 size). These were mostly produced for the 2012 APF show and have been popular as posters to display in offices or places of work. Each poster shows a selection of images relating to the pest or disease and web links to where you can source more information.
  • Research

    The influence of a changing climate on development and life cycle in the pine weevil, Hylobius abietis

     Research into the influence of a changing climate on development and life cycle of the pine weevil, Hylobius abietis
  • Research

    Development of improved methods for detection, control and eradication of pine wood nematodes in support of EU Plant Health Policy (REPHRAME)

     Extending the capability of existing models to identify the risk posed by pine wood nematodes to the rest of Europe and the possible impact of climate change on its spread
  • Publications
    Forestry publication document

    Dothistroma needle blight – Field guide 2012
    Lead Author: Forest Research
    Sampling guidance, symptoms and further information.
  • Publications
    Forestry publication document

    Salt damage to trees
    Lead Author: Forestry Commission
    Pathology Advisory Note 11 Describes the symptoms of damage caused by de-icing salt. This document details signs and symptoms of the named tree pest(s) or disease(s) and provides advice on what to do if you suspect the pest or disease is present. Related pages Research and advice on tree pests and diseases Tree Health Diagnostic […]