Search Observatree

Video

Induction Two: Tree Health Surveying

Our second induction webinar for 2022, tree health surveying covers site selection, tree health data, and survey forms. A fundamental introduction to conducting tree health surveys for Observatree. Presented by Rebecca Gosling, Woodland Trust.

01:08:23
Horse chestnut leaf miner field identification guide

PDF • 3.06 MB
Chalara dieback of ash detailed information

External link
Oak lace bug detailed information

External link
Blog

Pine Processionary Moth: Assessing the threat

PPM are spreading further north across Europe but are not established in the UK. We discuss the signs and symptoms to look out for.

Fritha West • 31 Mar 2022
Blog

Oak Processionary Moth

Oak processionary moth (OPM) caterpillars are priority pests which target trees in the Quercus genus. They were accidentally introduced into England in 2005, but thanks to strict survey and control programme, they have not become established outside of the South of England.

Fritha West • 18 Apr 2022
Oriental chestnut gall wasp 2015 outbreak case study

Video • 00:15:47
Dothistroma needle blight training video

Video • 00:06:40
Blog

Beech Leaf Disease

A new disease of beech trees (Fagus spp.) named ‘Beech leaf disease’ (BLD) is spreading through forest areas in eastern USA and Canada. Charles Lane and Tom Prior discuss the threat posed to UK woods.

Tom Prior • 14 Jul 2022
Video

How to use the forum

How to use the Observatree forum

00:18:55