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Ash dieback

research | Research topic

Ash dieback impact

This project assesses the potential ecological impact of the disease ash dieback on UK woodlands and species and investigates possible solutions which might be achieved through woodland management.

tools_and_resources | Tools and resources

Ash dieback (Hymenoscyphus fraxineus)

Present in UKNotifiable – see ’Report a sighting’ belowScientific name of causal agent – Hymenoscyphus fraxineus Ash dieback is a highly destructive disease of ash trees (Fraxinus species), especially the…

tools_and_resources | Tools and resources

Chalara manual - 3. Pictures

The tiny white Hymenoscyphus fraxineus fruiting bodies on the rachises (stalks) of the previous year's fallen leaves from an infected ash tree. These mushroom-like fruiting bodies develop and burst open…

research | Publication

[Archive] Ash dieback - a survey of non-woodland trees

During the summer of 1987 a survey of dieback in non-woodland ash trees was undertaken in Great Britain. After excluding certain areas due to their known low ash population, two…

research | Research topic

Chalara research

Information about research carried out by Forest Research on chalara ash dieback

news | News

Chalara ash dieback on different ash species and non-ash hosts

Chalara ash dieback on different ash species and non-ash hosts

news | News

Pioneering project to tackle ash dieback launches International Year of Plant Health

On Friday 17 January, the government’s Chief Plant Health Officer, Nicola Spence, accompanied by Forest Research's Chris Reynolds, visited the project to plant one of the last trees in the…

research | Research topic

Ecology and Pathology of Ash Dieback Disease

This project is investigating the factors that influence infection by the ash dieback pathogen (Hymenoscyphus fraxineus) and the long-term outcomes for affected trees.

research | Publication

Ash dieback disease - Pest Alert

Ash dieback is a disease of ash trees caused by a fungus called Chalara fraxinea. The disease causes leaf loss and crown dieback in affected trees and it may lead…

tools_and_resources | Tools and resources

Emerald ash borer beetle (Agrilus planipennis)

Information about the emerald ash borer beetle (EAB) (Agrilus planipennis), a damaging pest of ash trees.