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Chalara dieback of ash - Spring symptoms
Video • 00:02:28
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Sweet chestnut blight symptoms factsheet
External link
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Blog
Emerald ash borer survey and detection: the Canadian experience
It's the International Year of Plant Health and our colleague from Canada give us details on their work with emerald ash borer. A highly destructive pest of ash trees.
Jon Sweeney, Erin Bullas-Appleton, Troy Kimoto & Ron Neville • 22 Sep 2020
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Blog
A beetle in a haystack
The Paddock Wood area of Kent was the UK’s first (and only to date) site to have an outbreak of Asian Longhorn Beetle (ALB) back in 2012.
Kate Lewthwaite • 10 May 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
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Blog
The Observatree training roadshows 2019
Our annual training roadshow was a big success in 2019! Suzy talks about what happened on this year's training days.
Suzanne Sancisi-Frey • 12 Nov 2019
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Blog
2017 Training Observatree volunteers
Despite the best efforts of Storm Doris, Observatree year four volunteer training days ran smoothly over the course of February and March.
Suzanne Sancisi-Frey • 03 Apr 2017
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Dothistroma needle blight field identification guide
PDF • 3.31 MB
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Great spruce bark beetle detailed information
External link
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Phytophthora lateralis field identification guide
PDF • 3.98 MB