Search Observatree
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Blog
The story so far: the difference we’ve made in five years
Ana Perez-Sierra, Head of Forest Research's Tree Health Diagnostic and Advisory Service, lets us know about the difference Observatree has made.
Ana Perez-Sierra • 11 Dec 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
New look for TreeAlert!
Lucy Turner, TreeAlert Coordinator, gives an overview of some of the latest improvements to the TreeAlert system.
Lucy Turner • 18 Jul 2023
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Pests and diseases
Plane Wilt
Plane wilt is a fungal disease that affects plane trees. Usually fatal, plane wilt can kill trees within two to five years.
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Blog
A record-breaking 2019 and new developments for 2020
2019 was a record-breaking year for the project, with almost 4400 tree health reports submitted by our volunteers.
Peter Crow • 20 Jan 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
Globose scale, a southern European pest of plum and peach, heading our way
Chris Malumphy from Fera Science Ltd provides us with an overview of globose scale and what threat it poses to UK trees.
Chris Malumphy • 06 Sep 2016
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Blog
Tree health early warning in the UK: a celebration of Observatree
A dark November evening in London was brightened as many of those involved in the Observatree project gathered at the Houses of Parliament for a reception to celebrate what the project has achieved over the first three years and to help look towards its future.
Peter Crow • 22 Nov 2016