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270 Search Results

  • Publications

    In planta detection used to define the distribution of the European lineages of Phytophthora ramorum on larch (Larix) in the UK
    Lead Author: K. M. King
    UK distribution of Phytophthora ramorum evolutionary types provided by new testing method. By developing a new molecular-based testing method based on PCR techniques, Forest Research scientists have been able to examine the distribution of the two main lineages of Phytophthora ramorum responsible for the major epidemic on larch (Larix spp.) in the UK. In a paper […]
  • Publications
    Forestry publication document

    Oriental Chestnut Gall Wasp
    Lead Author: Simon Morath
    News of a recent unwelcome discovery and how ‘citizen science’ can play an important role in surveying and identification. An overview of the 2015 discoveries of Dryocosmus kuriphilus (Oriental chestnut gall wasp; OCGW) in European sweet chestnut (Castanea sativa) trees in Farningham Woods, Kent and St Albans, Hertfordshire, was published in Quarterly Journal of Forestry. It […]
  • Publications

    Hot-water treatment as a possible method for eradicating Chalara fraxinea (Hymenoscyphus pseudoalbidus) infection from ash fruits (Fraxinus excelsior L)
    Lead Author: Shelagh McCartan
    Treating ash seeds with hot water may kill Chalara infection Immersing ash seeds in 44 °C water for 5 hours may eradicate Chalara infection in ash seeds without significantly reducing the viability of the seeds. Forest Research scientists have published the results of this trial in Quarterly Journal of Forestry. Batches of ash fruits were subjected to […]
  • Research

    Pine-tree lappet moth

     This project is exploring the threat to UK forestry posed by the Pine-tree lappet moth (Dendrolimus pini) and whether it is an introduced pest species or a previously undiscovered resident.
  • Research

    DIAROD research summary

     The DIAROD programme aims to provide the required evidence base for Dothistroma needle blight (DNB) to enable its invasiveness and associated risks to be determined, and hence help prevent its spread, and better enable countries to manage this and future outbreaks of other pests and diseases.
  • Research

    Green spruce aphid (Elatobium abietinum) research

     The project is analysing data on spruce aphid populations from forests managed using different silvicultural systems, to determine whether increasing the structural diversity of forest stands leads to a lower incidence of the pest and a reduction in damage.
  • Research

    Oak processionary moth

     This project will improve our understanding of how oak processionary moth populations behave in different habitats, which is essential for effective management, and it will provide information on parasitoids and predators that may be useful in biological control of the pest.
  • Research

    Cameraria ohridella

     This project involves long-term monitoring of horse-chestnut trees to determine the impact of horse-chestnut leaf miner and bleeding canker disease on tree growth and survival.
  • Research

    Use of pheromone traps to monitor oak processionary moth

     This project is carrying out experimental trials to improve and standardise the use of pheromone traps for monitoring populations of oak processionary moth.
  • Research

    Climate change impacts on insect pests associated with Sitka spruce

     This project is investigating the potential impact that a changing climate may have on the insect pests associated with the UK’s most important and widely planted conifer tree species Sitka spruce.
  • Research

    Local dispersal of Dothistroma septosporum

     Determining the local spread of Dothistroma septosporum
  • Research

    Testing a range of ash species for tolerance to ash dieback

     Testing for tolerance to ash die-back across various ash species.