Taylor, A., Vagany, V., Barbara, Dez J., Thomas, Brian, Pink, David, Jones, J. E. and Clarkson, John P. (2012) Identification of differential resistance to six Fusarium oxysporum f. sp. cepae isolates in commercial onion cultivars through the development of a rapid seedling assay. Plant Pathology . no-no. ISSN 0032-0862 (In Press)

Clarkson, J. P., Coventry, E., Kitchen, James, Carter, H. E. and Whipps, J. M. (2012) Population structure of Sclerotinia sclerotiorum in crop and wild hosts in the UK. Plant Pathology . ISSN 0032-0862 (In Press)

Clarkson, J. P., Carter, H. E. and Coventry, E. (2010) First report of Sclerotinia subarctica nom. prov. (Sclerotinia species 1) in the UK on Ranunculus acris. Plant Pathology, Vol.59 (No.6). p. 1173. ISSN 0032-0862

Ghaffari, Reza, Zhang, Fu, Ph.D., Iliescu, Daciana, Hines, Evor, 1957-, Leeson, Mark S., 1963-, Napier, Richard M. and Clarkson, John P. (2010) Early detection of diseases in tomato crops : an Electronic Nose and intelligent systems approach. In: 2010 International Joint Conference on Neural Networks IJCNN 2010, Barcelona , 18-23 July 2010. Published in: IEEE International Conference on Neural Networks. Proceedings pp. 1-6.

Clarkson, John P. (2009) Sclerotinia update - assessing risk. Farmers Weekly, 02/04/2009 . ISSN 0014-8474

Chandler, Dave, Bending, G. D. (Gary D.), Clarkson, John P., Davidson, G. (Gill), Hall, S., Mills, P., Pink, David, Skirvin, David J., Neve, Paul, Kennedy, Richard, Greaves, Justin, Grant, Wyn and Collier, R. H. (2008) The consequences of the ‘cut off’ criteria for pesticides : alternative methods of cultivation. Brussels: European Parliament. (Policy Department B : Structural and Cohesion Policies.

Clarkson, John P., Phelps, Kath, Whipps, John A., Young, Caroline S., Smith, Julie A. and Watling, Marlyn. (2007) Forecasting sclerotinia disease on lettuce: a predictive model for carpogenic germination of Sclerotinia sclerotiorum sclerotia. Phytopathology, Vol.97 (No.5). pp. 621-631. ISSN 0031-949X

Clarkson, J. P., Scruby, A., Mead, A. (Andrew), Wright, Carole, Smith, B. and Whipps, J. M.. (2006) Integrated control of Allium white rot with Trichoderma viride, tebuconazole and composted onion waste. Plant Pathology, Vol.55 (No.3). pp. 375-386. ISSN 0032-0862

Clarkson, John P., Staveley, John, Phelps, Kath, Young, Caroline, 1961- and Whipps, J. M.. (2003) Ascospore release and survival in Sclerotinia sclerotiorum. Mycological Research, Vol.10 (No.2). pp. 213-222. ISSN 0953-7562

Clarkson, John P. and Young , C.S. New dawn for Sclerotinia control. HDC News, Vol.47 . pp. 24-25.