John Elphinstone

John is a senior phytobacteriologist at Fera. He is involved in bacteriology diagnostic services as well as being instrumental in the research on taxonomy, diagnosis, epidemiology and control of phytopathogenic bacteria.

John Elphinstone

John Elphinstone Headshot

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  • Area of expertise
    Bacterial diseases of potato and other crops
  • Years of experience
  • Highest qualification

John regularly consults with government and the EU on development and implementation of policy on monitoring and eradication of quarantine bacteria.

John is a member of the EPPO panel on diagnosis of plant pathogenic bacteria and a founding member of the European Association of Phytobacteriologists. He is currently managing research projects on bacterial pathogens of potatoes (Pectobacterium spp. and Ralstonia solanacearum), tomatoes (rhizogenic Rhizobium radiobacter) and mushrooms (Pseudomonas tolaasii and P. gingeri) as well as understanding the biological diversity of soils in relation to plant health and productivity.

Potato crop testing

Potatoes are just one of the crops the Fera crop health team can test for problems.

Potato Testing
Attending or speaking at

Latest Papers and Articles

Elphinstone, J.G., Hennessy, J., Wilson, J.K. and Stead, D.E. 1996. Sensitivity of detection of Ralstonia solanacearum in potato tuber extracts. EPPO Bulletin 26; 663-678.

Elphinstone, J.G. 1996. Survival and possibilities for extinction of Pseudomonas solanacearum (Smith) Smith in cool climates. Potato Research 39; 403-410.

Prior, P., Allen, C. and Elphinstone, J.G. (eds.) 1998. Bacterial Wilt Disease: Molecular and Ecological Aspects. Springer-Verlag Berlin/Heidelberg. ISBN 3-540-63887-3. 133-139.

Elphinstone, J.G. and Stanford, H. 1999. Sensitivity of methods for the detection of Ralstonia solanacearum in potato tubers. EPPO Bulletin 28; 69.

Elphinstone, J.G., Stanford, H and Stead, D.E. 1999. Survival and transmission of Ralstonia solanacearum in aquatic plants of Solanum dulcamara and associated surface water in England. EPPO Bulletin 28; 93.

Events past and future

John attends annual meetings of the EPPO panel on diagnosis of plant pathogenic bacteria and the European Association of Phytobacteriologists.

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John and his team work with customers to deliver the following services within Fera...

John works across teams involved in the diagnosis of bacterial plant diseases, the development and validation of diagnostic methods, disease epidemiology and control and the taxonomy of emerging and established bacterial plant pathogens.

Insect Monitoring

Providing you with the information you need to make pest control decisions.

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Soil Health Unit

Health tests, organism monitoring and metal detection for your soil, amongst other services

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Grower support tools

Cutting edge software to help growers optimise their crop yield and health

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All Crop Health Science