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Themes: Tree Breeding

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283 Search Results

  • Publications
    Forestry publication document

    [Archive] An indication of the likely volume gains from improved Sitka spruce planting stock

     In this Information Note volume gains from an old Sitka spruce tree breeding experiment are evaluated, allowing predictions to be made of the likely volume increases which could be expected from modern tested seed orchards and family mixtures.
  • Publications
    Forestry publication document

    Winching operations in forestry: tree takedown and vehicle debogging

     This Technical Guide serves as a source of information for those involved in winching operations in forestry. A series of basic principles are presented on winch forces and fail-safe systems including a discussion of areas where shortfalls in safety can commonly occur. Guidance is provided on the controlled failure of winch systems. Example winch set-ups […]
  • Publications
    Forestry publication document

    [Archive] Predicting site suitability for natural colonisation: upland birchwoods and native pinewoods in northern Scotland
    Lead Author: Richard N Thompson
    This Note develops the principles outlined by Harmer in Forestry Commission Information Note 23 – Using natural colonisation to create or expand new woodlands.
  • Publications
    Forestry publication document

    [Archive] Advances in biotechnology: powerful tools for tree breeding and genetic conservation
    Lead Author: Steve Lee
    A range of biotechnological tools has been used by Forest Research to enhance the efficiencies of research and development programmes associated with tree breeding and genetic conservation. This Information Note presents some examples where such tools have been applied. These include enhancement of flowering in conifers, assessment of the efficiency of seed orchards, characterisation of […]
  • Research

    Tree improvement

     Exploring genetic variation and breeding better trees
  • Publications
    Forestry publication document

    [Archive] Breeding hybrid larch in Britain
  • Publications
    Forestry publication document

    Chainsaw debutressing of standing timber

     This Technical Note provides advice and information to forest managers, woodland owners and contractors on the operation of debuttressing standing timber prior to felling by mechanical harvesting machines. It reviews current training, guidance and practice, and provides information about the decision process to be taken on when and how to carry out the debuttressing operation.
  • Publications
    Forestry publication document

    Noise hazards in forestry operations and selection of personal protective equipment

     This Technical Note uses current information gathered from manufacturers and suppliers of equipment, together with limited noise measurements obtained from machinery studies, to assess the noise exposure levels of forest operations. From evaluation of these data, guidance is given on the selection of appropriate personal protective equipment (PPE). Loud impact or explosive noises, for example […]
  • Publications
    Forestry publication document

    Respiratory protective equipment
    Lead Author: Bill J Jones
    This Technical Note provides an introduction to the legislative background to respiratory protective equipment (RPE) and discusses the need for suitable RPE. The terminology used in respirator selection is described along with relevant details of the hazards that RPE can protect against. Emphasis is placed on selecting equipment that is suitable for each situation in […]
  • Publications
    Forestry publication document

    [Archive] Growing juniper: propagation and establishment practices

     Juniper is of conservation concern and while there is interest in the expansion and re-introduction of this species in Britain, there is uncertainty over establishment methods. This Note reports results from recent propagation and establishment trials, and gives interim guidance on best practice.
  • Publications
    Forestry publication document

    The effect of windblow on timber quality in Sitka spruce
    Lead Author: Shaun Mochan
    Masters thesis, University of Edinburgh. Related pages Tree and Wood Properties Compression Wood Cell wall macromolecules and reaction wood (CEMARE)
  • Publications
    Forestry publication document

    Stem straightness in Sitka spruce in Wales
    Lead Author: Shaun Mochan
    Report on a survey of stem straightness. Related pages Tree and Wood Properties Compression Wood Cell wall macromolecules and reaction wood (CEMARE)