Search Observatree
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Chalara fieback of ash - field identification
Video • 00:02:09
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Emerald ash borer detailed information
External link
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Emerald ash borer contigency plan
External link
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Mountain ash ringspot detailed information
External link
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Emerald ash borer - Pest alert
External link
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Emerald ash borer poster
PDF • 3.00 MB
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Mountain ash ringspot associated virus training video
Video • 00:06:54
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Emerald ash borer training video
Video • 00:12:00
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Blog
David Griffith, Tree Health Surveyor, goes above and beyond for tree health
David Griffith has been volunteering as a Tree Health Surveyor since 2014. Along with over 200 other volunteers involved in the project, David is tasked with surveying woods and trees for signs of pests and diseases including Chalara dieback of ash.
Helen Jones • 24 Apr 2017
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Emerald ash borer distribution
External link