Search Observatree
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Oak lace bug on a leaf
Video • 00:00:35
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Blog
Negative data is good!
One of the key messages we give Observatree volunteers is that you don’t have to find something to make a survey worthwhile or valuable.
Ellie Barham • 08 Mar 2017
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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
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Blog
Host of the month - Pine
Matt Parratt discusses the different types of Pine (Pinus) and Dothistroma needle blight (DNB).
Matt Parratt • 15 Jul 2024
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Blog
TreeAlert Demystified: What happens when you submit a report?
A question that the Tree Health Diagnostic and Advisory Service team are often asked is, ‘What happens when I send in a TreeAlert enquiry, how does it all work?’ Here, Chris Berman, entomology diagnostician at Forest Research, pulls back the curtain on what goes on behind the scenes!
Chris Berman • 23 Jan 2025
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Blog
Managing Sweet Chestnut Blight in the South West
Forestry Commission England’s Tree Health team plays an important role in the protection of England’s trees, woods and forests.
Emily Fensom • 23 Jun 2017
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Blog
‘Palmageddon’ heading our way
Anybody visiting tourist resorts in the Mediterranean today will likely encounter large numbers of dying and dead palms. What is the reason for this ‘palmageddon’ in the Mediterranean?
Chris Malumphy • 13 Apr 2018
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Blog
Observatree adapts for Covid-19
As a project, the impact of Covid-19 in 2020 prevented the yearly hands-on Observatree training events for our volunteers and a switch to digital communications has helped tremendously.
Rebecca Gosling • 27 Jul 2021
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Pests and diseases
Acute oak decline
Affects mature oak trees across the UK. Thought to be caused by a bacterium causing oozing of dark fluid from cracks in the bark.
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Blog
No sting in this tale
Find out about how Observatree volunteer, Amanda, made a big difference to the UK's oriental chestnut gall wasp outbreak response.
Amanda Yorweth • 23 Jul 2015