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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.

Video

Host of the Month Elm - June 2024

Learn identification of elm and its associated priority pests or diseases. Recorded on 5th June 2024.

00:30:56

FAQ

Observatree FAQs

Frequently asked questions about Observatree and tree health.

Blog

Host of the month - Sweet chestnut

Matt Parratt discusses Sweet chestnut (Castanea sativa) and its associated pest: the Oriental chestnut gall wasp, and its associated disease: Sweet chestnut blight.

Matt Parratt  •  17 Oct 2024

Blog

Host of the month - Beech

Matt Parratt looks at Beech (Fagus sylvatica) and its associated Beech leaf disease.

Matt Parratt  •  20 Jun 2024

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