Search Observatree

Blog

Host of the Month - Ash

Matt Parratt, Observatree Scientific Coordinator, looks at common ash, chalara ash dieback, and emerald ash borer

Matt Parratt  •  04 Dec 2023

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

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.

Blog

Host of the month - Cedar

This month Matt Parratt takes a look at Cedars and Sirococcus blight.

Matt Parratt  •  17 Apr 2025

Blog

Observatree Pest and Disease Review 2024

Charles Lane and Rowan Howe from Fera Science Limited take us through Observatree's annual pest & disease review and discuss some new potential priorities going forward. 

Charles Lane  •  03 Jul 2025