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Blog
Host of the month - Cedar
With spring in full swing, Matt Paratt takes a look at Ceders (Cedrus species) and Sirococcus blight.
Matt Parratt • 16 Apr 2026
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Blog
Host of the month - Pine
This month Matt Parratt discusses pines (Pinus species) and Dothistroma needle blight.
Matt Parratt • 16 Jul 2026
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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
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Blog
Oriental chestnut gall wasp – an update
What has happened with OCGW in the UK since it was first found in 2015?
Chris Malumphy • 27 Jun 2018
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Blog
Oak powdery mildew – update on what’s all the fuss about?
Charles Lane gives us an update on what all the fuss is about when it comes to Oak Powdery Mildew.
Charles Lane • 22 Sep 2025
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Phytophthora lateralis factsheet
External link
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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
Host of the month - Elm
This month Matt Parratt looks at elms (Ulmus species) and Elm zigzag sawfly (Aproceros leucopoda).
Matt Parratt • 21 May 2026
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FAQ
Observatree FAQs
Frequently asked questions about Observatree and tree health.
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Blog
Host of the month - Cedar
This month Matt Parratt takes a look at Cedars and Sirococcus blight.
Matt Parratt • 17 Apr 2025