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Blog
Host of the month - Ash
Matt Parratt takes a close look at Common ash, Chalara ash dieback, and Emerald ash borer.
Matt Parratt • 20 Nov 2025
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Blog
Host of the month - Plane
This month Matt Parratt delves into the world of Plane trees, Plane lace bugs and Canker stain of plane (formerly known as 'Plane wilt').
Matt Parratt • 21 Aug 2025
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Host of the Month: Rowan European Mountain ash Ringspot Associated Virus - July 2026
PDF • 1.03 MB
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Pests and diseases
Canker Stain of Plane
Plane wilt is a fungal disease that affects plane trees. Usually fatal, plane wilt can kill trees within two to five years.
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An introduction to our priority pests and diseases
Video • 00:03:36
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Tree health
The importance of biosecurity
Good biosecurity practice can reduce the risk of introducing or spreading pests, diseases and invasive species.
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Acute oak decline training video
Video • 00:08:47
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Biosecurity
Video • 00:05:55
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Phytophthora lateralis - Worldwide distribution map
External link
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Phytophthora lateralis factsheet
External link