Publications
Plant Health Solutions provides independent research and development, consultancy, seed health testing, plant disease clinic and diagnostic services for horticulture and agriculture.
Clarkson JC; Roberts SJ (2011) Disease management in organic brassica seed and transplants. HDC Project FV 352, Final Report 2010-11. . Stoneleigh, UK: AHDB. 
(Report)
Clarkson JP; Roberts SJ (2011) Start dry, stay healthy . HDC News, 177 (Oct 2011): 26-27. (Popular article)
Green K; Roberts SJ (2011) Septoria blight of parsley. HDC Factsheet 15/10 . Stoneleigh, UK: HDC.
Roberts SJ; Green K (2010) Coriander bacterial blight. HDC Factsheet 16/10 . Stoneleigh, UK: HDC.
Clarkson JC; Roberts SJ (2010) Disease management in organic brassica seed and transplants. HDC Project FV 352, Annual Report 2009-10. . Stoneleigh, UK: AHDB. (Report)
Roberts SJ (2010) Development of a seed health standard for coriander bacterial blight . In: 8th International Conference on Pseudomonas syringae and relative pathogens, Oxford, 31 Aug to 03 Sept 2010. (Poster, abstract)
Green K; Roberts SJ (2010) Outdoor herbs: Integrated management of parsley septoria and coriander bacterial blight. Final Report 2007-10, FV 318 . Stoneleigh, UK: HDC. (Report)
Koch E; Schmitt A; Stephan D; Kromphardt C; Jahn M; Krauthausen H-J; Forsberg G; Werner S; Amein T; Wright SAI; Tinivella F; Gullino ML; Roberts SJ; van der Wolf J; Groot SPC (2010) Evaluation of non-chemical seed treatment methods for the control of Alternaria dauci and A. radicina on carrot seeds . European Journal of Plant Pathology, 127: 99-112. doi:/10.1007/s10658-009-9575-3 (Refereed paper)
Jensen BD; Vicente JG; Manandhar HK; Roberts SJ (2010) Occurrence and Diversity of Xanthomonas campestris pv. campestris in Vegetable Brassica Fields in Nepal . Plant Disease, 94 (3): 298-305. doi:/10.1094/PDIS-94-3-0298 (Refereed paper)
Roberts SJ (2009) Eradication of seed-borne pathogens . In: XLII Brazillian Phytopathology Congress, Rio de Janeiro, 3-7 August 2009. Tropical Plant Pathology Supplement 2009.. (Proceedings)
Roberts SJ (2009) Transmission and spread of Xanthomonas campestris pv. campestris in brassica transplants: implications for seed health standards . In: Biddle AJ; Cockerell V; Tomkins M; Cottey A; Cook R; Holmes W; Roberts SJ; Vickers R, Seed Treatment and Production in a Changing Environment. pp 82-85. (Edited Proceedings)
Roberts SJ (2009) Evaluation of disinfectants, biological and natural products for control of brassica black rot (Xanthomonas campestris pv. campestris). Final Report 2008-09. FV 335 . East Malling, UK: HDC. (Report)
Green K; Roberts SJ (2009) Outdoor herbs: Integrated management of parsley septoria and coriander bacterial blight. Annual Report 2008-09, FV 318. East Malling, UK: HDC. (Report)
Schmitt A; Roberts SJ; Jahn M; Kromphardt C; Wikstrom M; Wright SAI; Amein T; Tinivella F; Gullino ML; Kruathausen HJ; Forsberg G; Werner S; Van der Wolf J; Groot SPC; Koch E (2008) Alternative treatment methods for vegetable seed. In: Modern Fungicides and Antifungal Compounds, Proceedings of the 15th International Reinhardsbrunn Symposium 2007. (Edited proceedings)
Roberts SJ (2008) A review of the literature on bacterial diseases of lettuce. Final Report FV 332. East Malling: HDC. (Report)
Roberts SJ (2008) Not-so-friendly bacteria (Bacterial diseases of lettuce). HDC News (Nov-08): 16-17. (Popular article)
Green K; Roberts SJ (2008) Outdoor herbs: Integrated management of parsley septoria and coriander bacterial blight. Annual Report 2007-08, FV 318. East Malling, UK: HDC. (Report)
Vicente JG; Roberts SJ (2007) Discrimination of isolates of Pseudomonas syringae from sweet and wild cherry using rep-PCR . European Journal of Plant Pathology, 117 (4): 383-392. doi:/10.1007/s10658-007-9107-y (Refereed paper)
Roberts SJ; Brough J; Hunter PJ (2007) Modelling the spread of Xanthomonas campestris pv. campestris in module-raised brassica transplants . Plant Pathology, 56: 391-401. doi:/10.1111/j.1365-3059.2006.01555.x (Refereed paper)
Roberts SJ (2007) Further investigations of onion downy mildew and leaf wax. Final Report FV 277a. East Malling: HDC. (Report)
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