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Video
Host of the Month Sweet Chestnut - November 2023
Learn identification of sweet chestnut to help you report healthy trees during November and the findings of any related priority pests or diseases.
00:23:30
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Video
Winter Webinar - Curreya and Adelgids on Scots pine
A new outbreak of a previously rare fungal/insect association on Scots pine: what it is, why is it happening and what does it mean for our pines? Presented by Dr Sarah Green, a forest pathologist at Forest Research. 17 01 2024
00:42:05
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Blog
Canker Stain of Plane
A summary of the damage caused by Canker Stain of Plane.
Alex Lewis • 01 May 2024
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Blog
A new collaboration as part of the UK Garden Sentinel Network
As Observatree continues to establish collaborative networks, we recently teamed up with the Botanic Gardens Conservation International (BGCI) and PlantNetwork to help raise awareness of tree health in wider audiences and promote surveillance and reporting by more people.
Peter Crow • 26 Apr 2024
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Host of the Month: Sweet Chestnut, OCGW and Chestnut Blight - November 2024
PDF • 1.59 MB
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Host of the Month: Ash, Ash Dieback and Emerald Ash Borer - December 2024
PDF • 1.34 MB
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Host of the Month: Elm and Elm Zig Zag Sawfly - June 2025
PDF • 1.28 MB
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Returning to a tree
Video • 00:13:56
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Site and setting
Video • 00:11:49
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Asian/citrus longhorn beetle training video
Video • 00:12:08