Plant Health Solutions provides independent research and development, consultancy, seed health testing, plant disease clinic and diagnostic services for horticulture and agriculture.
Roberts SJ (1985) Effect of irrigation method and of protection from rain on bacterial leaf spot of Berberis. In: BSPP Genetics and Plant Pathogenesis, December 1985. (Abstract, Poster, Proceedings)
Roberts SJ (1985) Some Bacterial Diseases of Hardy Ornamentals. In: BSPP Diseases of Ornamentals Workshop, Merrist Wood Agricultural College, Worplesdon, 30 October - 1 November 1985. (Proceedings)
Roberts SJ (1985) A note on Pseudomonas syringae pv. berberidis: comparative infection studies in attached and detached leaves.. Journal of Applied Bacteriology, 59: 369-374. (Refereed paper)
Roberts SJ (1985) Variation within Pseudomonas syringae pv. philadelphi, the cause of a leaf spot of Philadelphus. Journal of Applied Bacteriology, 59: 283-290. (Refereed paper)
Roberts SJ (1984) Bacterial leaf spot of Berberis caused by Pseudomonas syringae pv. berberidis. In: AAB/BSPP Bacterial Plant Diseases, Newcastle, July 1984. (Abstract of oral presentation)
Roberts SJ; Preece TF (1984) A note on Pseudomonas syringae pv. berberidis infections of Berberis: aetiology of a leaf spot and leaf fall disease in England. Journal of Applied Bacteriology, 56: 507-513. (Refereed paper)
Preece TF; Roberts SJ (1983) Pseudomonas syringae causing a leaf spot and flower blight of Mock Orange, Philadelphus coronarius, in England. Plant Pathology, 32: 461-463. (Refereed paper)