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57 Search Results for TreeAlert

  • Tools and Resources

    Pitch canker of pine (Fusarium circinatum)

     Information about pitch canker of pine disease of pine trees and Douglas fir (Pseudotsuga menziesii), caused by the fungus Fusarium circinatum
  • Tools and Resources

    OPM Manual – 5. Surveying trees and timing of control measures

     Guide to surveying oak trees for signs of oak processionary moth (Thaumetopoea processionea) and when to apply control measures
  • Tools and Resources

    Meeting Notes – 2nd July 2024

     Meeting notes from 02/07/2024
  • Tools and Resources

    Phytophthora lateralis

     Overview of Phytophthora lateralis infection in Lawson cypress
  • Tools and Resources

    Great spruce bark beetle (Dendroctonus micans)

     Information about the tree pest great spruce bark beetle ( Dendroctonus micans )
  • Tools and Resources

    Elbow-patch crust of plane (Fomitiporia punctata)

     Present in United Kingdom Notifiable – See ‘Report a sighting’ below Scientific name of causal agent – Fomitiporia punctata (F. punctata) Picture: Lucien Rommelaars – Saxifraga Elbow-patch crust is a disease of London plane trees (Platanus x acerifolia, also known as Platanus x hispanica). It is caused by the basidiomycete fungus Fomitiporia punctata (F. punctata). The fungus was known before 2016 as Phellinus […]
  • Tools and Resources

    Bronze birch borer (Agrilus anxius)

     Bronze birch borer (Agrilus anxius) is a wood-boring beetle pest of birch trees (Betula genus) which could do significant damage to the United Kingdom's birch trees if it became established here.
  • Tools and Resources

    Gypsy moth (Lymantria dispar)

     Overview of the lifecycle Gypsy moth (Lymantria dispar) with photographs.
  • Tools and Resources

    Oak wilt (Ceratocystis fagacearum)

     Information about oak wilt, a disease of oak (Quercus) trees caused by the fungus Ceratocystis fagacearum, also known as Bretziella fagacearum
  • Tools and Resources

    OPM manual – 11. Handling oak in OPM areas: Good practice guide

     This page provides good practice guidance when working on trees in or close to OPM-affected areas, or when dealing with arisings from work on OPM-infested trees.
  • Service

    Programme 7 Tree health and biosecurity

     Summary of Programme The importance of pests and diseases associated with forest and woodlands in the UK has never been greater, with highly damaging outbreaks, evidence of greater spread and impact, new organisms being introduced through trade pathways, and established pest threats exacerbated by changes in climate and host availability. This programme responds to these challenges, builds […]
  • Tools and Resources

    Western, eastern and black-headed budworms

     Not present in the United Kingdom Notifiable – See ‘Report a sighting’ below Scientific names – see below Budworms are the larvae, or caterpillars, of certain moth species. They are so-called because of their habit of eating the buds of flowers. These four budworms (there are two species of black-headed budworm) are serious and destructive pests. They cause high […]