Roy Bateman

Roy Bateman
International Pesticide Application Research Centre Division of Biology Imperial College London Silwood Park Campus Ascot, Berkshire SL5 7PY, UK.
Tel: +44 (0) 207 5942 383
Fax: +44 (0) 207 5942 450

Principal areas of expertise

Dr. R.P. Bateman has specialised in pesticide application for over 30 years, having carried out extensive crop protection work in Asia, Africa and the Americas. He has a particular interest in application techniques: for pesticides in general and microbial control agents in particular. He has first hand experience of locust control and pest management of apples, cocoa, cotton, coconuts, maize, sugar cane, rice and vegetables. The overall aim of his work is the alleviation of the more deleterious aspects of using pesticides by improving the specificity, efficiency and timing of their application (rational pesticide use strategies).

  • Authority on the application of biopesticides. For twelve years: formulation and application specialist for LUBILOSA Programme: carrying out international-collaborative research dedicated to the biological control of locusts and grasshoppers using the fungus pathogen Metarhizum anisopliae var acridum. Currently working mostly on management of cocoa insect pests and diseases.

  • Chairman of the British Crop Protection Council Expert Working Group on Application Methods and session organiser for New Insecticides section of the Brighton Conference. Academic Visitor, Imperial College London; editorial board member, Pest Management Science.



  • 2003 – Present: Research & Development Manager, International Pesticide Application Research Centre (IPARC), Silwood Park, Ascot, UK. Current research: RPU techniques for cocoa disease control in Latin America (sponsored by Mars Inc. USDA and Cocoa Research UK).
  • 1989 – 2003: CABI (previously International Institute for Biological Control). Mostly as biopesticides formulation and application specialist for the LUBILOSA Programme. Developed oil-based formulations of ‘Green Muscle’: named, carried out laboratory and field testing; prepared toxicology and other registration documents for the product. Subsequently developed the ‘Myco-Harvester’ (with collaborators) a device for improved mycopesticide spore separation. Other projects include: biopesticide training, project development activities and water hyacinth control.
  • 1985 – 1989: UK, Zimbabwe, Malawi (Industry sponsored Ph.D. project followed by consultancy for further field evaluation of thiodicarb (a carbamate insecticide).
  • 1981 – 1985: Viet Nam (FAO) – Consultant/ technical adviser with various crop protection projects, including management of large supply programme (total US$10 million). Also worked on pesticide field trials, extension and assisted with setting up of a pesticide quality control laboratory run by the Plant Protection Department.
  • 1976 – 1979: Philippines (VSO) – Teaching Entomology at Xavier University agricultural Complex, Cagayan de Oro (included extension work on rice, maize and coconuts).



  • University of Manchester, B.Sc.(Hons) Zoology, (1971 – 1974)
  • University of London, Imperial College, M.Sc. in Applied Entomology (tropical & temperate), (1979 – 1980)
  • Ph.D., University of London, Imperial College. Thesis:
    “Controlled Droplet Application of Particulate Suspensions of a Carbamate Insecticide.” (1985 – 1989)


Personal details

  • British National


Selected Publications

  • Bateman RP, Jessop NH (2008) Motorised mistblowers: their performance and rationale in developing countries. Aspects of Applied Biology84: 217-22.
  • Tondje, P.R., D.P. Roberts, M.C. Bon, T. Widmer,1, G.J. Samuels, A. Ismaiel, A.D. Begoude, T. Tchana, E. Nyemb-Tshomb, M. Ndoumbe-Nkeng, R.P. Bateman, D. Fontem, K.P. Hebbar (2007) Isolation and identification of mycoparasitic isolates of Trichoderma asperellum with potential for suppression of black pod disease of cacao in Cameroon. Biological Control 43: 202-212.
  • Luke BM, Bateman RP (2006) Effects of chemical and botanical insecticides used for locust control on Metarhizium anisopliae var. acridum conidia after short- to medium-term storage at 30°C. Biocontrol Science and Technology16: 761-776.
  • Bateman RP, Matthews GA, Bals TE, Hewitt AJ (2006) The BCPC nozzle classification scheme: progress, protocols and international promotion. Aspects of Applied Biology77: 43-50.
  • Bateman R.P. (2006) The BCPC nozzle classification scheme: progress, protocols and international promotion. Aspects of Applied Biology77: 43-50.
  • Bateman, R.P., E Hidalgo, J García, C Arroyo, MG ten Hoopen, V Adonijah, U Krauss (2005) Application of chemical and biological agents for the management of frosty pod rot (Moniliophthora roreri) in Costa Rican cocoa (Theobroma cacao). Annals of Applied Biology147: 129-138.
  • Bateman, R.P., Holmes, K.A., Krauss, U., Padi, B. (2004) Future tactics and tools for pest management. In: Flood, J. (ed) Cocoa Futures, pp 77-93. CABI FEDERACAFE USDA.
  • Bateman, R. (2004) The use of narrow-angle cone nozzles to spray cocoa pods and other slender biological targets. Crop Protection 23: 989-999.
  • Matthews, G.A. and Bateman, R.P. (2004) Classification criteria for Fog and Mist application of pesticides. Aspects of Applied Biology 71: 55-60
  • Bateman, R.P. (2003) Rational Pesticide Use: spatially and temporally targeted application of specific products. In: Optimising Pesticide Use Ed. M. Wilson, Publ. John Wiley & Sons Ltd, Chichester, UK; pp.129-157.
  • Hidalgo, E., Bateman, R., Krauss, U., ten Hoopen, M., and Martínez, A. (2003) A field investigation into delivery systems for agents to control Moniliophthora roreriEuropean Journal of Plant Pathology 109: 953-961.
  • Bateman, R, Luke, B. and Alves R. (2002) Observations on the application of oil-based formulations of mycopesticides. In: Spray Oils Beyond 2000. Eds. GAG.Beattie et al., Publ. University of W. Sydney, Australia, pp. 321-329.
  • Alves, R.T., Bateman, R.P., Gunn, J., Prior, C., Leather, S.R. (2002) Effects of different formulations on viability and medium-term storage of Metarhizium anisopliae conidia. Neotropical Entomology 31: 91-99
  • Bateman, R and Chapple, A. (2001) The Spray Application of Mycopesticides. In: Fungal Biocontrol Agents – Progress, Problems and Potential (eds. T. Butt, C. Jackson & N. Magan). Publ. CAB International, Wallingford, UK. Ch. 11, 289-309
  • Lomer C.J., Bateman R.P., Johnson D.L., Langwald, J. and Thomas, M. (2001) Biological Control of Locusts and Grasshoppers. Annual Review of Entomology 46:667 -702
  • Chapple, A.C., Downer, R.A. and Bateman, R.P. (2000) Theory and practice of microbial insecticide application. In L. Lacey & H. Kaya (eds.) (2000) Field Manual of Techniques in Invertebrate Pathology. Kluwer, NL; Ch. I-2 5-37
  • Bateman, R.P. Matthews G.A. and Hall, F.R.(2000) Ground-based application equipment. In L. Lacey & H. Kaya (eds.) (2000) Field Manual of Techniques in Invertebrate Pathology. Kluwer, NL; Ch. III-1, 77-112
  • Lomer, C.J., Bateman, R.P., Dent, D., De Groote, H., Douro-Kpindou, O.,-K., Kooyman, C., Langewald, J., Ouambama, Z., Peveling, R. and Thomas, M. (1999) Development of strategies for the incorporation of biological pesticides into the integrated management of locusts and grasshoppers. Agricultural and Forest Entomology 1: 71-88
  • Langewald, J., Ouambama, Z., Mamadou, A., Peveling, R., Stolz, I., Bateman, R., Attignon, S., Blanford, S., Arthurs, S., & Lomer, C. (1999) Comparison of an organophosphate insecticide with a mycoinsecticide for the control of Oedaleus senegalensis (Orthoptera: Acrididae) and other Sahelian grasshoppers at an operational scale. Biocontrol Science and Technology9: 199-214.
  • Bateman, R.P. (1998) Delivery systems and Protocols for Biopesticides. In Biopesticides: Use and Delivery Eds. F.R. Hall & J. Menn, Publ. Humana Press, Totowa, NJ, USA; Chapter 27, pp. 509-528.
  • Alves, R.T., Bateman, R.P., Prior, C and Leather, S.R. (1998) Effects of simulated solar radiation on conidial germination of Metarhizium anisopliae in different formulations. Crop Protection17: 675-679.
  • Bateman, R.P., Douro-Kpindu, O.K., Kooyman, C., Lomer, C. and Oambama, Z. (1998) Some observations on the dose transfer of mycoinsecticide sprays to desert locusts. Crop Protection, 17: 151-158.
  • Bateman, R.P. (1997) Methods of application of microbial pesticide formulations for the control of grasshoppers and locusts. Memoirs of the Entomological Society of Canada171: 67-79.
  • Kooyman, C., Bateman, R.B., Langewald, J., Lomer, C.J., Ouambama, Z. and Thomas, M.B. (1997) Operational-scale application of entomopathogenic fungi for the control of Sahelian grasshoppers. Proceedings of the Royal Society London B264: 541-546.
  • Bateman, R.P. (1997) The development of a mycoinsecticide for the control of locusts and grasshoppers. Outlook on Agriculture 26: 13-18.
  • Griffiths, J. and Bateman, R.P. (1997) evaluation of the Francombe MkII Exhaust Nozzle Sprayer to apply oil-based formulations of Metarhizium flavoviride for locust control. Pesticide Science51:176-184.
  • Price, R.E., Bateman, R.P., Brown, H.D., Butler, E.T. and Mller, E.J. (1997) Aerial spray trials against brown locust (Locustana pardalina, Walker) nymphs in South Africa using oil-based formulations of Metarhizium flavovirideCrop Protection16: 345-351
  • Bateman, R.P., Carey, M., Batt, D., Prior, C., Abraham, Y., Moore, D., Jenkins, N. and Fenlon, J. (1996) Screening for virulent isolates of entomopathogenic fungi against the desert locust, Schistocerca gregaria (Forskål). Biocontrol Science and Technology6: 549-560.
  • Prior, C., Bateman, R.P. and Moore, D. (1995) Entomopathogenic sprays. UK Patent, GB2255018B, 36 pp.
  • Moore, D., Bateman, R.P., Carey, M. and Prior, C. (1995) Long term storage of Metarhizium flavoviride conidia in oil formulations for the control of locusts and grasshoppers. Biocontrol Science and Technology5: 193-199.
  • Ball, B.V. Pye, B.J., Carreck, N.L., Moore, D. and Bateman, R.P. (1994) Laboratory testing of a mycopesticide on non-target organisms: the effects of an oil formulation of Metarhizium flavoviride applied to Apis mellifera. Biocontrol Science and Technology, 4, 289-296.
  • Bateman, R., Carey, M., Moore, D., Prior, C. (1993) The enhanced infectivity of Metarhizium flavoviride in oil formulations to desert locusts at low humidities. Annals of Applied Biology122: 145-152.
  • Bateman, R.P. (1993) Simple, standardised methods for recording droplet measurements and estimation of deposits from controlled droplet applications. Crop Protection12: 201-206.


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