Publications

There are 43 publications listed below.
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Forestry, Environment | Final Report and Policy Document
Forest
Authors: Katherine Hayden, Alexandra Schlenzig, Fiona Highet, Ruth Mitchell, Matt Elliot
The impacts of introduced plant pests and diseases have been substantial in recent times. With a changing climate and many known pests on the horizon, plant health impacts on biodiversity are expected to grow further in the years ahead. Thus, considering the nature of plant health threats to the… Read more ...
Forestry, Horticulture, Agriculture | Final Report and Policy Document
Strawberry plant (alyssapy from Pixabay)
Authors: Helen Rees, Matt Elliot, Kyran Maloney, Hernan Degiovanni, Henry Creissen
Previous PHC projects identified biocontrol as a major element of Integrated Pest Management (IPM) with a role to play in mitigating pesticide withdrawals. However, it is currently unclear how practical biocontrol is as a suitable alternative to pesticides in Scotland, what the opportunities are… Read more ...
Forestry, Environment | Final Report and Policy Document
New disease symptoms on Scot's pine
Authors: Sarah Green, Joanne Taylor, Maria Stanisz-Migal, Finnley Tierney-Kitchener, Steven Hendry, Stuart A'Hara, Katherine Lester, Molly Davidson, Laura Roehrig, Ewan Purser
This project was initiated in response to a new health threat to Scots pine manifesting itself in the form of multiple blackened cankers and dieback of shoots and branches, particularly in the lower crown. Scots pine is regarded as iconic in Scotland for a range of ecological, cultural and economic… Read more ...
Forestry, Environment | Final Report and Policy Document
Nature Autumn (by Valiphotos from Pixabay)
Authors: Carolyn Riddell , April Armstrong, Peter Cock, Toni Clarke
Pathogens from the genus Phytophthora pose some of the greatest threats to tree health and are likely to become increasingly prevalent in the UK as the climate becomes warmer and wetter. This project added new data based on a DNA metabarcoding approach to determine the Phytophthora species… Read more ...
Forestry, Horticulture, Environment | Final Report and Policy Document
Garden with pretty flowers
Authors: Rehema White, Harry Watkins, Lucy Carson-Taylor, Mariella Marzano
This project has developed a systems approach, in the context of plant health biosecurity risks in the retail, infrastructure landscaping and planting in the natural environment, to facilitate further understanding of key organisations and identify general and specific leverage points at which… Read more ...
Environment | Final Report and Policy Document
Ruth Mitchell
Authors: Ruth Mitchell
The Natural Environment sector underpins Scotland’s landscapes, biodiversity, rural industries and recreational activities, but plant health awareness is less well developed than in the forestry, horticulture and agriculture sectors. The PHC funded a fellowship with NatureScot, to address this gap. Read more ...
Forestry, Environment | Final Report and Policy Document
Adult Agrilus anxius, Whitney Cranshaw, Colorado State University, Bugwood.org
Authors: Katrina Dainton, Chris Pollard, Felix Trotter, Alaina Paterson, Mike Dunn, Mariella Marzano, Ashleigh Whiffin, Thomas Kendall, David Williams
The Bronze Birch Borer (BBB, Agrilus anxius) is a major threat to birch trees. This project had co-funding from Scottish Forestry and NatureScot and undertook evidence gathering to assess the threat BBB poses to Scotland, inform risk assessment, surveillance and contingency planning, and identify… Read more ...
Forestry, Horticulture, Agriculture, Environment | Final Report and Policy Document
Barley Field by Peggychoucair (Pixabay)
Authors: Jim Dimmock, Mark Bowsher-Gibbs, Harvey Blackmore, Steven Thomson, Katrina Dainton
Insecticides are commonly used in Scottish agricultural, horticultural, forestry production, and for amenity and natural environment management purposes.  Over the last 10 years, approximately 50% of UK insecticide active substances have been withdrawn due to increasing concern over human health… Read more ...
Forestry, Horticulture, Agriculture, Environment | Final Report
Scottish Heather
Authors: Sonia Humphris, Damian Bienkowski, Ian Toth
The Plant Health Centre works with Scottish Government, public bodies and stakeholders to provide scientific evidence to help them make important decisions about pests and pathogens that threaten Scotland the most.  Over the past 12 months we have delivered a consistent programme of stakeholder… Read more ...
Forestry, Horticulture, Agriculture, Environment | Final Report and Policy Document
Biosecurity foot wash station in New Zealand. Image credit: Matt Elliot
Authors: Matt Elliot, Alistair Yeomans, David Knott
This research investigated plant biosecurity risks from site visitors, tools & equipment, and large machinery. In addition to reviewing published guidance, UK businesses and organisations were engaged via questionnaires and interviews to explore how these aspects of biosecurity are understood… Read more ...
Forestry, Horticulture, Environment | Final Report and Policy Document
Plant Waste Dump
Authors: Matt Elliot, Sarah Green, Audrey Litterick, Alistair Yeomans
This research focussed on two areas of biosecurity that provide significant risk to plant businesses and the wider environment in Scotland, i) plant waste management, and ii) the constituents of reduced-peat and peat-free growing media. Read more ...
Agriculture | Final Report and Policy Document
PCN hot and cold spots in Scotland
Authors: Peter Skelsey
Potato cyst nematodes (PCN) cost Scottish agriculture over £25 million/year and threatens food security in the developed and developing world. Improved understanding of PCN epidemiology is a priority for the Scottish potato industry, with spatial and temporal modelling identified by the recent PHC… Read more ...
Forestry, Horticulture, Agriculture, Environment | Final Report
Stakeholder word cloud
Authors: Ashleigh Holmes, Kenneth Loades
This project was commissioned to implement a selection of the recommendations made in the PHC stakeholder engagement strategy and communication plan. The team developed strategies to manage time and resources of the Plant Health Centre more efficiently regarding communication of outputs, general… Read more ...
Horticulture, Agriculture | Final Report and Policy Document
Preferred IPM information sources of arable farmers and agronomists in Scotland
Authors: Henry Creissen, Elliot Meador
Pesticide use remains an important tool in managing pest, weed and disease risks to crops and maintaining profitable production. There are several drivers for reducing reliance on pesticides and promoting the uptake of more sustainable practices through integrated pest management (IPM).  By… Read more ...
Forestry, Horticulture, Agriculture, Environment | Final Report and Policy Document
Xylella vector, spittlebug
Authors: Daniel Chapman, Stuart A'Hara, Samantha Broadmeadow, Rebecca Cairns, Joan Cottrell, Elisa Fuentes-Montemayor, Katherine Lester, Flavia Occhibove, Sam Rogerson, Steven White, Kirsty Park
If introduced to the UK, the insect-vectored, bacterial plant pathogen Xylella fastidiosa could be a serious threat to trees and other plants. There is a lack of knowledge about the ecology and distributions of Xylella vectors in Scotland and the potential effects of this on any outbreak of the… Read more ...
Forestry, Horticulture, Agriculture, Environment | Policy Document
Genetic modification of crops infographic
Authors: Matt Elliot, Ian Toth
This report is the output of a call-down project that assesses the type of plant health problems in Scotland that GE could address, with potential benefits, barriers to deployment and dis-benefits noted. Read more ...
Forestry, Horticulture, Agriculture, Environment | Policy Document
Trossachs National Park
Authors: Mariella Marzano
PHC commissioned an assessment of large-scale biosecurity risks with a focus on three areas of concern: non-specialist and online horticulture sales; landscaping and infrastructure; planting for environmental benefits. An additional area was the potential for modelling to support decision making… Read more ...
Forestry, Horticulture, Agriculture, Environment | Final Report
Plants on sale at a retail store 2021
Authors: Chris Pollard, Alaina Paterson, Mariella Marzano
This project focused on an initial exploration of tree and plant biosecurity risks to Scotland arising from large-scale movement of plants via non-specialist (those for which plants are not their primary product type, e.g., supermarkets, DIY and lifestyle stores) and online plant retailers. By… Read more ...
Forestry, Horticulture, Agriculture, Environment | Final Report
Prince & Princess of Wales Hospice in Glasgow, ERZ Limited
Authors: Berglind Karlsdottir, Chris Pollard, Alaina Paterson, Harry Watkins, Mariella Marzano
Planting for large-scale landscaping and infrastructure can typically involve tens of thousands of individual plants, potentially threatening plant health in Scotland due to the biosecurity risks of imports and widespread planting of infested or diseased plants. This project aimed to understand the… Read more ...
Forestry, Horticulture, Agriculture, Environment | Final Report
Carrifran Wildwood, Borders Forest Trust
Authors: Mike Dunn, Aline Finger, Mariella Marzano
This report features five case studies from across Scotland and examines risks associated with large scale tree planting schemes, levels of awareness around pests and diseases, and how the decisions and actions of those involved can serve to reduce or exacerbate pest and disease related threats and… Read more ...
Forestry, Horticulture, Agriculture, Environment | Final Report
Landscape
Authors: Louise Barwell, Rehema White, Daniel Chapman, Flora Donald, Mariella Marzano, Sarah Green, Adam Kleczkowski, Bethan Purse
Large scale planting projects linked to infra-structure such as transport networks and major housing projects or to planting for environmental benefits (e.g., urban greening, woodland restoration) pose high biosecurity risks due to the high number and types of plants involved. This report focusses… Read more ...
Forestry, Environment | Policy Document
EAB suitability scores: – colour scale represents suitability (green: high, white: low) and red dots represent known occurrence (2018-19)
Authors: Vincent Keenan, Glenn Marion, Adam Kleczkowski
Emerald Ash Borer (EAB) has become a significant threat to ash trees in several countries (including USA and Russia) but is not yet present in the UK. We quantified climate and ecological factors affecting EAB suitability using native range data and conclude that southern England is a highly… Read more ...
Forestry, Horticulture, Agriculture, Environment | Final Report
 By leaves we live – Patrick Geddes
Authors: Rehema White
The aim of this project was to develop an operational communication plan from existing stakeholder engagement principles, communication theories and knowledge banks, identifying and summarising actions for the PHC. Read more ...
Forestry, Horticulture, Environment | Final Report and Policy Document
larch trees killed by P. ramorum
Authors: Carolyn Riddell , Sarah Green, Peter Cock, Toni Clarke
Surveillance and monitoring of airborne pathogens is a key tool in the management of healthy forests and controlling disease outbreaks. A Scottish Forestry-funded project was carried out in autumn 2019 to validate different spore-trapping techniques for monitoring airborne P. ramorum inoculum using… Read more ...
Agriculture | Policy Document
New IPM Planning Tool
Authors: Fiona Burnett, Henry Creissen
Integrated pest management (IPM) is a holistic approach to managing harmful organisms which maximizes profitability and minimises negative impacts on the environment. IPM aims to reduce reliance on pesticides and promoting IPM is identified as a key action in support of a National Action Plan. To… Read more ...
Horticulture, Agriculture | Final Report and Policy Document
Newly-hatched BMSB egg mass, Gary Bernon, USDA APHIS, Bugwood.org
Authors: Gaynor Malloch, Alison Dolan, Carolyn Mitchell, Ailsa Smith, Fiona Highet, Yvonne Arnsdorf, Helen Payne, Alistair Hamilton, Andy Evans
The increase in global trade brings with it the risk of spread of new pests and diseases into Scotland. Halyomorpha halys, Brown Marmorated Stinkbug (BMSB) is an invasive pest that has already become established in North America and several European countries. The insect aggregates inside houses… Read more ...
Agriculture | Policy Document
Report front cover
Authors: Ian Toth, Fiona Burnett, Philip Burgess, Colin Herron, Jon Pickup
Following a Ministerial round table meeting on PCN in June 2020, a working group of over 50 potato industry, government and academic partners was set up (from both Scotland and the wider UK) to identify a clear strategy for dealing with the PCN crisis. Following over 320 person hours of scheduled… Read more ...
Forestry, Horticulture, Agriculture, Environment | Final Report and Policy Document
Tractor Spraying
Authors: Fiona Burnett, Mark Bowsher-Gibbs, Donald Dunbar
Chemical forms of plant protection are widely used in Scottish agricultural, horticultural and forestry production plus for amenity and natural environment management purposes.  The availability and use of active substances in pesticides are closely regulated and increasing concern over human… Read more ...
Forestry, Horticulture, Agriculture, Environment | Final Report
Landscapes
Authors: Andy Evans, Fiona Burnett
The use of pesticides to manage plant pests and diseases is a key management intervention across plant health sectors, particularly in agriculture, horticulture and commercial forestry production. Pesticide withdrawals through legislation, coupled with resistance development and their impact on… Read more ...
Forestry, Horticulture, Agriculture, Environment | Final Report
Example Output from Modelling Framework
Authors: Adam Kleczkowski, Matt Castle, Glyn Jones, Vincent Keenan, Crawford Revie , Oleg Sheremet
This project constructed a modelling framework which combined epidemiological and economic modelling.  The modelling framework was used to study predictions of spread and economic impact of pests which are not currently in the UK, including Xylella fastidiosa, Candidatus Liberibacter solanacearum (… Read more ...
Forestry | Final Report
Agrilus planipennis  ©David Cappaert/Bugwood.org - CC BY-NC 3.0 US
Authors: Vincent Keenan, Adam Kleczkowski, Glenn Marion
This project investigated whether modelling could aid preparation for a potential bark beetle and wood borer invasion of Scotland. This was achieved by: (i) reviewing suitability of modelling results and frameworks in literature; (ii) recommendations on how these could be rapidly adapted for… Read more ...
Agriculture | Final Report and Policy Document
PCN and PCN cysts
Authors: Vivian Blok, Jon Pickup, Kim Davie, Helen Kettle, David Ewing, Adrian Roberts, Laure Kuhfuss, Adam Kleczkowski, Beth McDougall
This project has: i) reviewed possible PCN interventions; ii) modelled future risks; iii) surveyed grower behaviours and attitudes to interventions; and iv) conducted an economic analysis of likely impact in Scotland based on a range of possible interventions.   Read more ...
Forestry, Horticulture, Agriculture, Environment | Final Report
PHC Knowledge Bank
Authors: Joanne Taylor, Katherine Hayden
This project has expanded the PHC online Resource Bank for plant health threats to the Natural Environment sector in Scotland to include information sources for the remaining three sectors (Forestry, Agriculture and Horticulture). Information sources for Forestry, Agriculture and Horticulture were… Read more ...
Forestry, Horticulture, Agriculture, Environment | Final Report
PHC 18 month review leaflet
Authors: Sonia Humphris, Ian Toth, Damian Bienkowski
The Plant Health Centre completed an in-depth review of its first 18-months of activity for our funder (the Scottish Government through RESAS) in September 2019. While the full report is not yet available to the public, we have created a summary leaflet that outlines out achievements over this… Read more ...
Forestry, Environment | Final Report and Policy Document
Dothistroma needle blight [Image courtesy of Joanne Taylor]
Authors: Katherine Hayden, Joanne Taylor
The aim of the project PHC2018/11 was to compile a resource to be embedded within the Scottish Plant Health Centre (PHC) website, with the following three main purposes: 1) To direct users to existing, comprehensive and reliable plant health information resources; 2) To provide information on… Read more ...
Forestry, Horticulture, Agriculture, Environment | Final Report and Policy Document
Mobile App Use Schematic
Authors: Sebastian Raubach, Jennie Brierley
The aim of the project was to review existing websites and smartphone apps currently available and applied in the plant health sector and to assemble a detailed overview covering the following points: What options are available in terms of mobile software applications for plant health? What is… Read more ...
Agriculture | Final Report and Policy Document
Zebra chip on potato
Authors: Fiona Highet, Ali Karley
The aim of the project was to assess the distribution and population numbers of the psyllid Trioza anthrisci and it’s potential as a vector of ‘Candidatus Liberibacter solanacearum’ (Lso).  The project has allowed the PHC to better understand the distribution and number of T. anthrisci populations… Read more ...
Horticulture, Agriculture | Policy Document
Arable field with hay bales
Authors: Fiona Burnett, Andy Evans
This report sets out estimates for the crop loss and value to Scottish crop production should the molluscicide metaldehyde be withdrawn. This would leave ferric phosphate as the only available chemical control option. Short term losses are negligible as the substitution of ferric phosphate carries… Read more ...
Forestry | Final Report
Dendroctonus Micans
Authors: Glenn Marion
This project conducted a proof of principle study to assess whether developed computational tools could add value to the field data in annual surveys by Scottish Forestry to parameterise models of the spread of Dendroctonus Micans in space and time. The fitted model was also used to project… Read more ...