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Phytophthora lateralis factsheet
External link
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Horse chestnut leaf miner poster
PDF • 3.62 MB
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Get in touch with Observatree">
Get in touch
Get in touch with Observatree
Contact the team at Obsrvatree
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Blog
The role of citizen science in tree health in Slovenia
As part of the International Year of Plant Health, Observatree is hosting blogs from colleagues around the world who, like us, are working to slow the spread of invasive tree pests and diseases. This blog is from the Slovenian Forestry Institute who talk about their citizen science project LIFE ARTEMIS.
Simon Zidar and Dr Maarten de Groot • 08 Apr 2020
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Blog
Tree Health issues in Britain from the experts
Plant Health Week, in the International Year of Plant Health, provides an opportunity to reflect upon the current and potential future challenges facing Britain’s trees and what we can all do to help protect them.
Nicola Spence, Gerry Saddler & Martin Williams • 08 Sep 2020
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Blog
Observatree II: Thoughts from Nicola Spence, Chief Plant Health Officer, Defra
Welcome to Observatree II! Read thoughts from DEFRA's Chief Plant Health Officer, Nicola Spence, as the project moves forwards.
Professor Nicola Spence • 25 Oct 2018
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Blog
A world without males: How the elm zigzag sawfly is benefiting from their absence
Expert entomologist Max Blake gives us an insight into the lifecycle of the elm zigzag sawfly.
Max Blake • 08 Jul 2018
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Blog
Out with the old and in with the new: Welcome to Observatree
In 2017, Observatree produced more educational resources, ran successful media campaigns, trained stakeholders and volunteers across the county, attended events, held a volunteer celebration event and hosted a conference.
Peter Crow • 07 Jan 2018
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Blog
Simulating a longhorn beetle outbreak
Find out about the creation of the longhorn beetle outbreak training trees, based at the Yorkshire Arboretum.
Ellie Barham • 14 Feb 2017
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Blog
Observatree volunteers help the Woodland Trust manage OPM
Over the course of 2021, many of our invaluable citizen scientists have continued their surveillance of Woodland Trust sites for Oak Processionary Moth (OPM).
Rebecca Gosling • 24 Nov 2021