Search Observatree
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Blog
Chalara Dieback of Ash on my doorstep
Living in rural North Yorkshire, on the border with the East Riding, provides easy access to beautiful areas of the Wolds, Howardian Hills, Moors and coastal regions for country walks.
Charles Lane • 01 Jul 2015
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Pests and diseases
Mountain Ash Ringspot
First recorded in 1960, mountain ash ringspot is a virus that infects rowan trees and can lead to gradual dieback of the tree.
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Chalara dieback of ash distirbution map
External link
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Chalara ash dieback field identification guide
PDF • 21.56 MB
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Chalara dieback of ash - Pest alert
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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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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Host of the Month: Ash, Ash Dieback and Emerald Ash Borer - December 2024
PDF • 1.34 MB
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Signs and symptoms of the emerald ash borer
External link