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raspberry root rot

Glen Mor: disease-resistant raspberry launched at Fruit for the Future 2020 (News)

A new raspberry with exceptional fruit quality and high productivity, plus resistance to deadly disease root rot, was introduced today at the start of industry event Fruit for the Future 2020. The new rasp, named Glen Mor, was bre ... Read more

Soft fruit growers told about Brexit impact and opportunities (News)

While Brexit can be viewed as a very real threat to the future of Scottish agriculture, it must also now be viewed as an opportunity, albeit not an easy one to grasp. That was one of the main messages of the Soft Fruit Winter Meet ... Read more

Research to improve flavour of UK raspberries (News)

Scientists from the James Hutton Institute are investigating the development of resilient flavour characteristics in UK raspberries, as part of Innovate UK-funded research into new fruit breeding models and decision support tools. ... Read more

New demonstration facility in focus at Fruit for the Future 2018 (News)

The James Hutton Institute will showcase its new raspberry demonstration tunnels at Fruit for the Future, the Institute’s annual soft fruit-themed event, on Thursday 19 July 2018 in Invergowrie near Dundee. The new demonst ... Read more

£1.3 million in new research could mean a sweeter deal for Scottish berry producers (News)

British berry lovers could get their favourite fruits all year round thanks to three new pioneering UK government funded research projects set to revolutionise Scottish berry production, Environment Secretary Elizabeth Truss said ... Read more

Soils@Hutton - Soils and pathogens (Research Page)

Soil and Virus Research ... Read more

Cell and Molecular Sciences
Cell and Molecular Sciences
Research Leader
+44 (0)1382 568831

The James Hutton Institute
Dundee DD2 5DA
Scotland UK

  • First Class Honours Graduate in Agricultural Botany, University of Wales Aberystwyth.
  • PhD Plant Pathology, University of Wales Aberystwyth.
  • Employed at the Institute since 1994 as a project leader in plant pathology.

Current research interests

  • Development and exploitation of genetic markers (SSR, effector gene sequences) for examining the population biology, epidemiology and management of Phytophthora infestans (potato late blight).
  • Co-ordinator of pathogen data for European project examining populations of Phytophthora infestans (Euroblight). See data release on 2020 population "Results of the EuroBlight potato late blight monitoring in 2020" and maps.
  • Evolution and population genetics of the genus Phytophthora.
  • Use of eDNA metabarcoding to examine diversity of Phytophthora species in crops, forests and natural ecosystems. In current funding I am testing the technology for improved plant biosecurity and management of Phytophthora in nurseries in the PHYTO-THREATS project.
  • Soft fruit Phytophthora species: detection and control.
  • AHDB Potatoes funded projects: "Monitoring GB Phytophthora infestans population change 2019-21" and PhD "Improved potato late blight management using sophisticated models of pathogen infection and spread" which has released the Hutton Criteria to replace the Smith Period.
  • Epidemiology and risks posed by Phytophthora ramorum and P. kernoviae to managed gardens and heathland in Scotland. Full report and extension report on risks as a result of disease spread on larch are available. In addition a review on threats Phytophthora species pose to plant health in Scotland.


  • Ristaino, J.B.; Cooke, D.E.L.; Acu?a, I.; Mu?oz, M. (2020) The threat of late blight to global food security., In: Ristaino, J.B. & Records, A. (eds.). Emerging Plant Diseases and Global Food Security. APS Press, St. Paul, Minnesota, USA, Chapter 6, pp101-132.
  • Wilcox, W.F.; Cooke, D.E.L (2017) Phytophthora root rot., In: Martin, R.R., Ellis, M.A., Williamson, B. & Williams, R.N. Compendium of Raspberry and Blackberry Diseases and Pests, 2nd Ed. American Phytopathological Society, St. Paul, MN, pp52-56.
  • Cooke, D.E.L.; Andersson, B. (2013) Phytophthora infestans and potato late blight in Europe., In: Lamour, K. (ed.). Phytophthora: A Global Perspective. CABI International, pp59-67.
  • Cooke, D.E.L. (2012) Fingerprinting techniques., In: Lane, C., Beales, P.A. & Hughes, K.J.D. (eds.). Fungal Plant Pathogens. CAB International, Wallingford, Oxon, Chapter 9, pp200-222.
  • Wilcox, W.F.; Cooke, D.E.L. (2010) Phytophthora root rot., American Phytopathological Society, St Paul, MN, 2nd edition.
  • Fry, W.E.; Grunwald, N.J.; Cooke, D.E.L.; McLeod, A.; Forbes, G.A.; Cao, K. (2009) Population genetics and population diversity of Phytophthora infestans., In: Lamour, K.H. & Kamoun, S. (eds.). Oomycete Genetics and Genomics: Diversity, Interactions and Research Tools. Wiley-Blackwell, Hoboken, New Jersey, USA, Chapter 7, 139-163.
  • Colon, L.T.; Cooke, D.E.L.; Gronbech-Hansen, J.; Lassen, P.; Andrivon, D.; Hermansen, A.; Zimnoch-Guzowska, E.; Lees, A.K. (2005) Eucablight: a late blight network for Europe., In: Haverkort, A.J. and Struik, P.C (eds.). Potato in Progress: Science Meets Practice. Wageningen Academic Publishers, Wageningen, pp290-297
  • Birch, P.R.J.; Cooke, D.E.L. (2004) Mechanisms of infection - oomycetes., In: Goodman, R.G. (ed.). Encyclopedia of Plant and Crop Science. Marcel Dekker Inc., New York, pp697-700.
  • Cooke, D.E.L.; Williams, N.A.; Williamson, B.; Duncan, J.M. (2002) An ITS-based phylogenetic analysis of the relationships between Peronospora and Phytophthora., In: Spencer-Phillips, P.T.N., Gisi, U. & Lebeda, A. (eds.). Advances in Downy Mildew Research, Kluwer, Dordrecht, 161-165.
  • Duncan, J.M.; Cooke, D.E.L.; Birch, P.R.J.; Toth, R.L. (1998) Molecular variability in sexually reproducing fungal plant pathogens., In: Bridge, P., Couteaudier, Y. & Clarkson, J. (eds.). Molecular Variability of Fungal Pathogens. CAB International, Wallinford, pp19-39.

  • Cooke, D.E.L. (2019) GB Late blight population monitoring 2014 to 2018., Final Report to AHDB Potatoes, Report No. 2019/10, 41pp.
  • Cooke, D.E.L. (2018) Phytophthora diversity in natural ecosystems based on eDNA analysis., Progress report on RD1.3.3 submitted to Plant Health Policy contact at Scottish Government (John Speirs).
  • Cooke, D.E.L.; Lees, A.K.; Chapman, A.; Cooke, L.R.; Bain, R. (2014) GB Late Blight Populations: monitoring and implications of population changes. Reporting Period 2009-2012., Potato Council Final Report (R423), 94pp.
  • Cooke, D.E.L.; Lees, A.K.; Chapman, A.; Cooke, L.R.; Bain, R. (2014) GB Late blight populations: monitoring and implications of population changes., Potato Council Final Report, R423.
  • Cooke, D.E.L.; Elliot, M.; Harris, C.; Jennings, P.; Purse, B.; Schlenzig, A. (2014) Study of the epidemiology of Phytophthora ramorum and Phytophthora kernoviae in managed gardens and heathland in Scotland., Final Report of Scottish Government Project CRF/925.
  • Lees, A.; Cooke, D,.E.L.; Toth, I.; Dolan, A.; SRUC; Royal Botanic Gardens, Edinburgh. (2014) Scottish Government Plant Health Workshop., Rapporteur, Scottish Government Plant Health Workshop, Victoria Quay, Edinburgh, 8 December 2014.
  • Schlenzig, A.; Cooke, D.E.L. (2013) Genetic diversity of Phytophthora ramorum in nursery trade and managed environment in Scotland., Proceedings of the Sudden Oak Death 5th Science Symposium, General Technical Report PSW-GTR-243, pp33-39.
  • Cooke, D.E.L. (2011) The impact of invasive plant pathogenic Phytophthora species on biodiversity., Annual Report of the Scottish Crop Research Institute for 2010, pp24-25.
  • Cooke, D.E.L.; Lees, A.K.; Shaw, D.S.; Bain, R.; Ritchie, F.; Taylor, M. (2010) Final report: Survey of GB blight populations., Potato Council, Agriculture and Horticulture Development Board, Kenilworth, Warwickshire.
  • Torrance, L.; Toth, I.K.; Cooke, D.E.L.; Fenton, B.; Blok, V.C.; Lees, A.K. (2010) Risks of new or emerging pests and pathogens posed by environmental change., Annual Report of the Scottish Crop Research Institute for 2009, pp14-17.
  • Lees, A.K.; Cooke, D.E.L.; Fenton, B.; Newton, A.C. (2010) Understanding pathogen biodiversity as a key to controlling crop diseases., Annual Report of the Scottish Crop Research Institute for 2009, pp24-25.
  • Wale, S.; Inglis, M.; Bain, R.; Davey, T.; Evans, A.; Bradshaw, J.E.; Phillips, M.; Jones, J.T.; Fenton, B.; Cooke, D.E.L.; Ramsay, G. (2008) Welcome to the Potatoes in Partnership open meetings 2008 which form part of knowledge transfer activities for RERAD funded research., SAC Information Note 105
  • Bengough, A.G.; Barlow, P.W.; Cooke, D.E.L.; Griffiths, B.S.; Humphris, S.N.; Iijima, M.; Killham, K.; Rodger, S.; Stubbs, V.; Valentine, T.A.; Young, I.M. (2004) Root border cells in plant-soil interactions., Annual Report of the Scottish Crop Research Institute for 2003/2004, 160-161.
  • Duncan, J.M.; Cooke, D.E.L.; Williams, N.A.; Mirabolfathy, M. (2001) Phytophthora and gummosis of pistachio in Iran., Annual Report of the Scottish Crop Research Institute for 2000/2001, 136-139.
  • Cooke, D.E.L.; Maughan, V.; Birch, P.R.J.; Toth, R.; Gourlay, F.; Carnegie, S.; Duncan, J.M. (2000) The status of Scottish late blight populations., Annual Report of the Scottish Crop Research Institute for 1999/2000, 150-153.
  • Cooke, D.E.L.; Birch, A.N.E.; Birch, P.R.J.; Duncan, J.M.; Griffiths, D.W.; Lyon, G.D.; Trudgill, D.L.; Williamson, B.; Wilson, T.M.A.; Hillman, J.R. (1998) Are diseased and blemished foodstuffs good for you? The need for plant pathology., Annual Report of the Scottish Crop Research Institute for 1997/98, pp54-60.

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The James Hutton Research Institute is the result of the merger in April 2011 of MLURI and SCRI. This merger formed a new powerhouse for research into food, land use, and climate change.