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529 Search Results for Pest and Diseases

  • Publications

    [Archive] Nitrogen deficiency in Sitka spruce plantations

    Lead Author: C.M.A Taylor
    On moorland and heathland soils in Great Britain nitrogen deficiency can severely restrict the growth of certain conifer species, including Sitka spruce, the main commercial species. Until the 1970s this was thought to be due solely to competition from heather and was commonly known as ‘heather check’. However, increased planting of Sitka spruce on very […]
  • Research

    Testing a range of ash species for tolerance to ash dieback

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

    Ash dieback mass screening trials

    Chalara ash dieback resistance trials across the UK
  • Publications

    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

    [Archive] Weed control in Christmas tree plantations

    Lead Author: Ian Willoughby
    Good weed control is essential for quality Christmas tree production. Herbicides are usually the most cost-effective way of achieving this. Two principal categories of Christmas tree production can be identified: production in forest plantations and specialist horticultural production. For these two situations, suitable candidate herbicides are identified, and guidance on their safe and effective use […]
  • Publications

    [Archive] Herbicide update

    Lead Author: Ian Willoughby
    This Technical Paper updates information in Forestry Commission Field Book 8 The use of herbicides in the forest. It provides a summary of recent Forestry Commission research findings concerning the use of herbicides in forestry, and also explains relevant changes in legislation and approved products. Key herbicides cited in this publication: atrazine, cyanazine, cycloxydim, clopyralid, dichlobenil, […]
  • Publications

    [Archive] Control of pine beauty moth by fenitrothion in Scotland

    Lead Author: A. V. Holden (Ed.)
    This document is assembled from a series of individual reports written by scientists and technicians from a number of organisations which took part in an operation carried out at short notice, to monitor the spraying of forests in northern Scotland to control the outbreaks of Pine beauty moth.Note: This is an archive publication. Always consult […]
  • Publications

    [Archive] The use of herbicides in the forest (4th edition)

    Lead Author: Ian Willoughby
    A comprehensive account of chemical weed control techniques for use in forestry. Covers pesticide legislation, safety precautions and good working practices, herbicides for use against specific weed vegetation types, farm forestry weed control, protective clothing and personal equipment, application equipment and output guides, lists of herbicides and manufacturers, sources of advice, and an index of […]
  • Publications

    [Archive] The use of herbicides in the forest (3rd edition)

    Lead Author: D.R. Williamson
    The Book contains recommendations for the use of herbicides in the forest.
  • Publications

    [Archive] Herbicides for farm woodlands and short rotation coppice

    Lead Author: Ian Willoughby
    Information is given on the use of herbicides in farm woodland and short rotation coppice. Recommendations are given for suitable herbicides for a range of crop and weed species. Approval status, approved products, crop tolerance, weed susceptibility and herbicide mixtures are discussed. A lengthy appendix lists notices of approval for proprietary products. This publication is […]
  • Publications

    Microbiome and infectivity studies reveal complex polyspecies tree disease in Acute Oak Decline

    Teamwork between Forest Research, Bangor University and others has for the first time, tracked down the cause of the stem bleeding symptoms of acute oak decline (AOD). Using the latest scientific methods they have revealed a multi-bacterial cause of the stem bleeding and pioneered novel methods for analysing the causes of complex plant diseases. AOD is […]
  • Publications

    Are there viable chemical and non-chemical alternatives to the use of conventional insecticides for the protection of young trees from damage by the large pine weevil Hylobius abietis L. in UK forestry?

    Lead Author: Ian Willoughby
    In UK forestry, the synthetic pyrethroid insecticides alpha-cypermethrin and cypermethrin have been used for many years to provide protection for young trees planted on restock sites from damage by the large pine weevil, Hylobius abietis L. However, concerns over the toxicity of these insecticides to aquatic life if misused has led to a search for alternative forms of protection. This paper describes a detailed programme of efficacy experiments undertaken between 2009 and 2014 to find replacements for these products. Over 50 combinations of chemical and non-chemical approaches were tested on 16 different sites.