Search Observatree
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Video
Seasonal Survey Highlights Winter
In this video, Charles Lane, Plant Health Consultant at Fera Science Ltd, reminds us of the Observatree project resources that are relevant for the forthcoming season, focusing on the priority pest and diseases for Dec-Feb: Chalara ash dieback, Emerald ash borer, Great spruce bark beetle and Phytophthora lateralis.
00:14:24
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Blog
Observatree Visit to Rosliston Forestry Centre
Charles Lane reflects on a recent Observatree visit to the Rosliston Forestry Centre.
Charles Lane • 28 May 2025
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Host of the Month: Oak and Acute Oak Decline - April 2025
PDF • 1.75 MB
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Identifying bleeds on a tree part 3 - Other causes and reporting
Video • 00:07:10
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Chalara dieback of ash - Animation from RBG Edinburgh
Video • 00:02:36
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Chalara dieback of ash - Life cycle and symptoms
Video • 00:04:50
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Sweet chestnut blight contingency plan
External link
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Oak lace bug on a leaf
Video • 00:00:35
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Laypersons Report French
PDF • 3.26 MB
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Phytophthora ramorum poster
PDF • 803 KB