Blog

Observatree raising awareness of tree pests and diseases in Wales

Two pest and disease training days were recently held for stakeholders in Wales, one in the South and one in the North. The audience were mainly foresters, arborists and others working in the tree and forestry sectors who were interested in learning about the pests and diseases that threaten their trees and how to prevent their introduction and spread. The workshops concentrated on the particular pest and disease issues of Wales and aimed to improve tree health monitoring by highlighting the signs and symptoms of pests and diseases, thereby making them easier to recognise and outlining the use of the on-line reporting tool Tree Alert to ensure that they can be promptly reported.

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Observatree on the Hunt for Lace Bugs

Between June and October last year many of our wonderful volunteers took part in a lace bug survey to help us to determine whether the oak lace bug (Corythucha arcuata) and the plane lace bug (C. ciliata) were present in the UK. These non-native invasive insect pests were introduced into Europe from North America and are established in many European countries but are not thought to be currently established here, however they have been intercepted in, and eradicated from Bedfordshire in the past.

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A record-breaking 2019 and new developments for 2020

2019 was a record-breaking year for the project, with almost 4400 tree health reports submitted by our volunteers. The focus of Observatree has always been on the quality of reports submitted, rather than the number, but this figure far exceeds the previous 2018 record and shows the levels of hard work, commitment and dedication of our volunteers, many of whom were new recruits to the network a year ago. Our new ‘Lead volunteers’ have also played an important role in mentoring many of these new individuals.

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Volunteer mentoring days success!

It has been a fantastic year for our Observatree volunteers in terms of records submitted and the valuable contributions that they have made to tree health throughout the period. Many new volunteers have joined us and some of our longstanding contributors have increased their efforts and responsibilities within the project. So when the opportunity for some of the tree health professionals linked to the project to give something back to volunteers comes up we always have a great response.

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Summary of the 2019 training days

The Observatree volunteer training roadshow went ahead as usual this year with eleven training events in total in England, Scotland and Wales. Our volunteers came from far and wide to attend them, with one individual even flying in from Northern Ireland to join us! We had a great turn-out this year with a combination of new and existing volunteers, so a big ‘thank you’ to all of you who were able to attend.

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Observatree Autumn Round Up

Observatree Autumn Round Up Following on from our last blog post where we shared what we’d been up to this summer, we thought we’d share what the volunteers have all been up to this summer! In total we had 1247 reports submitted between July and September, which is a lot of trees being looked at!  The Midlands volunteers have been the busiest; we seem to have a bit of a rivalry developing between the West and East Midlands with both regions submitting over 200 reports each this summer.  All regions have submitted reports this summer, which is gives a good range of data across the UK. Chalara ash dieback diamond lesion spotted by Karen Holland 130 of these reports were for priority pests or diseases and a further 62 were for non-priority pests and diseases.  Negative reports are also very important for research, as they show scientists what’s happening around […]

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Observatree Summer Round Up

A busy summer of Observatree activity has seen us out and about up and down the country from shows and events to pest and disease surveys we have certainly had our hands full. Here is just a brief summary of what we have been up to and some of the highlights from the last few months.

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Observatree show on the road! – Peter Crow

Two weeks, two events, two firsts and one joined-up message Peter Crow reviews two shows where Observatree was working with others to help promote the importance of tree health During two weeks in May, I represented Observatree at two shows and at each event there was a first for the project. The first event, was the Arboricultural Association (Arb) Show, held at Westonbirt. This is not a new event for Observatree and we have attended this on several occasions because it provides an excellent opportunity for us to speak to arboriculturalists and foresters. Once again, we teamed up with the Forestry Commission’s Biosecurity team (who were promoting their ‘Keep it clean’ campaign) to provide a one-stop-shop for all things related to tree health. Whilst we spoke to some visitors who were unaware of Observatree, increasingly I heard comments such as ‘oh yes. We know all about Observatree. We use the […]

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Citizen science and tree health in the UK – Andy Gordon

Citizen science and tree health in the UK, Andy Gordon, Observatree Volunteer The first use of volunteers for monitoring tree health in the UK occurred in 1993, when a project was established to track the condition of amenity trees at several sites across five regions in England alone. Before that time no formal monitoring of the health of amenity trees took place in the UK. The project, which was funded by various government departments, was seen as an extremely valuable means of collecting information on the condition of as many tree species as possible. It became more focussed over the years, and the last phase, initiated in 1999, involved the collection of more quantitative data, concentrating purely on 16 of the most common tree species in amenity plantings within England. In total, 106 different survey sites were chosen. Plots of up to 100 young and mature trees in 12 different […]

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An update on pests and diseases and our plans for 2019, Peter Crow

An update on pests and diseases and our plans for 2019 During 2018, Observatree added the elm zigzag sawfly to the list of priority pests and diseases, and hosted a webinar on Xylella fastidiosa to help raise awareness of this bacterium and the potential damage it can cause. We also included Xylella on our new watch list of additional pests and diseases of concern, although it is not one of our current priorities.  Towards the end of the year, Forestry Commission inspectors identified a breeding population of the eight-toothed spruce bark beetle (Ips typographus) in Kent. This pest is of significant concern to the forest industry and so over the coming months Observatree will be working closely with those investigating the findings to ascertain how or when we may be able to provide appropriate support.  All of the pests and diseases mentioned above emphasise the additional threats to our trees, […]

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