Search Observatree

Little things big problems – Emerald ash borer

Video • 00:05:48
Mountain ash ringspot associated virus poster

PDF • 3.55 MB
Video

Seasonal survey highlights - May to July 2024

In this video, Charles Lane, Plant Health Consultant at Fera Science Ltd, reminds us of the Observatree project resources that are relevant for the forthcoming season, focusing on the priority pest and diseases for May-July: Sirococcus tsugae, Elm zigzag sawfly, Chalara ash dieback and the Emerald ash borer.

00:14:07
Video

Host of the Month Ash - December 2023

Learn about Ash ID and it's associated pests and diseases.

00:40:41
Mountain ash ringspot - diagram of associated virus

External link
Emerald ash borer field identification guide

PDF • 4.65 MB
Mountain ash ringspot associated virus field identification guide

PDF • 1.60 MB
Video

Pest and disease drop-in November 2021

Pest and disease drop-in session delivered to Observatree volunteers in November 2021. Presentations on volunteering activity (Ana Perez-Sierra), OPM monitoring (Andrew Hoppit), ash dieback in mature trees (Andy Gordon) and a new oak app (Rich Wright)

01:01:45
Blog

Help is at Hand - Benefits to an Observatree volunteer of buddying up with other organisations

A blog from our Lead Volunteer for Scotland, David Slawson. David talks about his experience working with Observatree associate organisation Scottish Natural Heritage.

David Slawson • 13 May 2020
Blog

2016 Observatree mentoring events

During September and October, the Observatree project delivered eight mentoring events across Scotland, England and Wales for their network of tree health surveyor volunteers.

Helen Jones • 22 Nov 2016