1. Department of Crop Science, University of Ghana, Accra, Ghana
2. CABI Europe-UK, Egham, UK
3. Asymptote Limited, Cambridge, UK
4. Soil and Irrigation Research Centre, University of Ghana, Accra, Ghana
5. CABI West Africa, Accra, Ghana
6. Universidade Tecnológica Federal do Paraná, Dois Vizinhos, Brazil
7. Department of Entomology and Plant Pathology, North Carolina State University, Raleigh, NC, USA