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Research and guidance on alternative methods of managing Hylobius abietis
Research and Guidance The large pine weevil (Hylobius abietis) is the most serious pest of newly planted or naturally regenerating woodland trees on restocking sites in the UK and Ireland. On affected sites, in the absence of protective measures, losses of replanted trees will average around 50%, but in the worst...
Publications

Factsheet: Climate change and tree diseases (canker)

Lead Author: Carolyn Riddell
Canker-inducing pathogens kill the inner, living bark of trees resulting in poorer growth or mortality of affected individuals which limits their contribution to climate change mitigation.
Publications

Factsheet: Climate change and tree diseases (Phytophthora)

Lead Author: Debra Fredrickson Matika
Milder and wetter winters, followed by increased spring rainfall, are likely to enhance the survival and infection potential of many tree pathogens. Hotter, drier summers leading to drought stress in trees will also increase their susceptibility to disease and expand the distribution range of some pathogens. The increased incidence and severity of diseases caused by Phytophthora species reduces the benefits that trees provide, including climate change mitigation.
Publications

First report of Phytophthora pluvialis in Europe causing resinous cankers on western hemlock
This is the first report of P. pluvialis in Europe. This is also the first published report of P. pluvialis causing resinous cankers on western hemlock worldwide.
Research

Breeding ash trees for tolerance to ash dieback
Forest Research have been engaged in efforts to improve tolerance of ash trees to ash dieback caused by Hymenoscyphus fraxineus (previously known as ‘Chalara‘) since the disease was first recognised in Great Britain in 2012. Progress has been made under three main projects: Living Ash Project Ash dieback mass screening trials Testing a range of ash species for tolerance to ash dieback Across these three projects,...
Publications

Metabarcoding reveals a high diversity of woody host-associated Phytophthora spp. in soils at public gardens and amenity woodlands in Britain

Lead Author: Carolyn Riddell
A study of Phytophthora diversity in public gardens and amenity woodlands through the use of metabarcoding of soil samples.
Publications

Using genome resequencing to investigate racial structure, genetic diversity, sexual reproduction and hybridisation in the pine pathogen Dothistroma septosporum
Genome sequencing is used to determine the origins and genetic diversity of Dothistroma populations throughout the UK, and confirms the findings of our earlier paper discerning population structure with microsatellite analysis.
Publications

Diversity of woody-host infecting Phytophthora species in public parks and botanic gardens as revealed by metabarcoding, and opportunities for mitigation through best practice

Lead Author: Sarah Green
A study of Phytophthora diversity in public gardens and amenity woodlands using metabarcoding.
Publications

Oak processionary moth

Lead Author: Forestry Commission
Tree Pest Advisory Note A major defoliator of oak in Europe. 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 Main oak processionary moth resources page Research and advice on tree pests and […]
Publications

The importance of trap type, trap colour and capture liquid for catching Dendrolimus pini and their impact on by-catch of beneficial insects
Monitoring traps for the pine-tree lappet moth were tested to find the most effective trap type and colour combination for adult moth capture.
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.
Publications

The lifecycle of Agrilus biguttatus: the role of temperature in its development and distribution, and implications for Acute Oak Decline

Lead Author: Katy Reed
The lifecycle of Agrilus biguttatus: the role of temperature in its development and distribution, and implications for Acute Oak Decline
Publications

Establishing robust species mixtures

Lead Author: Gary Kerr
New guidance from Forest Research to help design mixtures at the establishment phase
Publications

Novel dendrochronological modelling demonstrates that decades of reduced stem growth predispose trees to Acute Oak Decline

Lead Author: Katy Reed
• Novel dendrochronological modelling was developed to explore oak stem growth trends. • Trees with long-term AOD symptoms may have been predisposed many decades earlier. • Diseased trees struggle to take advantage of favourable growing conditions. • Historic episodes of stress may impact the future resilience of oaks to disturbance.
Research

Understanding new and emerging pest threats to priority tree species and new woodlands
This is a collaboration with tree health scientists to explore new and emerging pest threats to priority tree species and new woodlands. We aim to assess the risks posed by established pests under current and future climates, and the most likely invasion pathways for key invasive pests.
Research

EUPHRESCO 2020-A-339- Seed-borne pathogens of conifers (Cosepath)
There is a need to raise awareness about the potential risks of introducing pests and diseases through seed movement and trade.
Publications

Values, management and pest and disease threats associated with ash: A review
This report reviews and summarises some of the key evidence from around the world on values associated with ash trees, and the management decisions about both ash dieback and emerald ash borer. The evidence on values focuses on historical, social and cultural values while the parts on management decisions looks at actual decisions taken as […]
Research

Living Ash Project phase II (LAP2)
LAP2 commenced in 2019 as an extention of the earlier Living Ash Project phase I. The objectives of LAP2 are to: Establish a National Archive of Tolerant Ash based on selections made in the Living Ash Project phase I and from Forest Research's mass screening trials (Future Trees Trust) Intensively screen selected trees using...

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341 Search Results

Research and guidance on alternative methods of managing Hylobius abietis

Factsheet: Climate change and tree diseases (canker)

Factsheet: Climate change and tree diseases (Phytophthora)

First report of Phytophthora pluvialis in Europe causing resinous cankers on western hemlock

Breeding ash trees for tolerance to ash dieback

Metabarcoding reveals a high diversity of woody host-associated Phytophthora spp. in soils at public gardens and amenity woodlands in Britain

Using genome resequencing to investigate racial structure, genetic diversity, sexual reproduction and hybridisation in the pine pathogen Dothistroma septosporum

Diversity of woody-host infecting Phytophthora species in public parks and botanic gardens as revealed by metabarcoding, and opportunities for mitigation through best practice

Oak processionary moth

The importance of trap type, trap colour and capture liquid for catching Dendrolimus pini and their impact on by-catch of beneficial insects

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?

The lifecycle of Agrilus biguttatus: the role of temperature in its development and distribution, and implications for Acute Oak Decline

Establishing robust species mixtures

Novel dendrochronological modelling demonstrates that decades of reduced stem growth predispose trees to Acute Oak Decline

Understanding new and emerging pest threats to priority tree species and new woodlands

EUPHRESCO 2020-A-339- Seed-borne pathogens of conifers (Cosepath)

Values, management and pest and disease threats associated with ash: A review

Living Ash Project phase II (LAP2)

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341 Search Results

Research and guidance on alternative methods of managing Hylobius abietis

Factsheet: Climate change and tree diseases (canker)

Factsheet: Climate change and tree diseases (Phytophthora)

First report of Phytophthora pluvialis in Europe causing resinous cankers on western hemlock

Breeding ash trees for tolerance to ash dieback

Metabarcoding reveals a high diversity of woody host-associated Phytophthora spp. in soils at public gardens and amenity woodlands in Britain

Using genome resequencing to investigate racial structure, genetic diversity, sexual reproduction and hybridisation in the pine pathogen Dothistroma septosporum

Diversity of woody-host infecting Phytophthora species in public parks and botanic gardens as revealed by metabarcoding, and opportunities for mitigation through best practice

Oak processionary moth

The importance of trap type, trap colour and capture liquid for catching Dendrolimus pini and their impact on by-catch of beneficial insects

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?

The lifecycle of Agrilus biguttatus: the role of temperature in its development and distribution, and implications for Acute Oak Decline

Establishing robust species mixtures

Novel dendrochronological modelling demonstrates that decades of reduced stem growth predispose trees to Acute Oak Decline

Understanding new and emerging pest threats to priority tree species and new woodlands

EUPHRESCO 2020-A-339- Seed-borne pathogens of conifers (Cosepath)

Values, management and pest and disease threats associated with ash: A review

Living Ash Project phase II (LAP2)