Chalara Dieback of Ash

Disease Information

Observatree Chalara Dieback of Ash poster

Observatree Chalara Dieback of Ash training video

Observatree Oriental Chestnut Gall Wasp and Chalara Dieback of Ash training webinar

Pest risk analysis

Detailed information with links to related resources

Key scientific facts

Information from APHA

Chalara Ash Dieback Field ID Guide

Animation from Royal Botanic Gardens Edinburgh on Ash Dieback

Pest Alert

FAQs – GB legislation on Chalara

Disease status/outbreak stage/spread/distribution

Spread

Interactive map showing current distribution

Symptoms

What to look out for

Short Youtube film recognising winter symptoms 

Short Youtube film recognising spring symptoms 

Short Youtube film recognising symptoms 

Photographs of symptoms

More photographs of symptoms

Short Youtube film on the life cycle and symptoms (FERA/APHA)

Research

Forest Research information

Chalara screening for resistence trials

Biology of the pathogen Chalara fraxinea

Tolerance of ash to the Chalara fraxinea pathogen

Population structure and natural selection of the pathogen Chalara fraxinea

Fungicide testing on ash saplings

Management/control advice/guidance

Management/control/advice/guidance

Information for householders, landowners and local authorities on the management of infected ash leaves and saplings

Guidance – infected ash control in infected areas

Guidance – infected ash control in non-infected areas

England’s Management Plan

Action Plan for Scotland

‘Advice and Support for Woodland Managers’ leaflet

Ecological impact of ash dieback and mitigation methods

Legislation

The Plant Health (Forestry) (Amendment) Order 2012 No. 2707