On behalf of the editorial board, the Editor-in-Chief would like to thank the following for their contribution as peer reviewers during 2009. The breadth of these colleagues' geographical origin – across every continent – only underlines the journal's international reach, and the global relevance of its content.

P. Bebeli, Athens, Greece

G. L. Beccaro, Turin, Italy

N. Bellaloui, Stoneville, USA

M. Bellon, Rome, Italy

S. Bhatia, New Delhi, India

A. Bohra, Kanpur, India

B. Boller, Zürich, CH

A. Börner, Gatersleben, Germany

R. Brennan, Dundee, UK

J. Cheema, Norwich, UK

J. Clotault, Angers, France

G. Davenport, Miraflores, Peru

J. Dicks, Norwich, UK

J. D. Ehlers, Riverside, CA, USA

S. Fjellheim, Aas, Norway

T. Fulton, Ithaca, USA

K. Ghamkhar, Melbourne, Australia

T. Gopalakrishna, Mumbai, India

S. K. Gupta, Mumbai, India

R. S. Hamilton, Los Baños, Philippines

R. Hincks, Aberystwyth, UK

L. V. Hoffmann, Goiania, Brazil

C. Holbrook, Tifton, USA

S. Isobe, Chiba, Japan

L. Jaakola, Oulu, Finland

M. T. Jackson, Bromsgrove, UK

J. Jansen, Wageningen, The Netherlands

C. Jolivet, Grosshansdorf, Germany

A. Katsiotis, Athens, Greece

P. B. Kavi Kishor, Hyderabad, India

J. Kizhakkayil, Calicut, India

R. K. Lal, Lucknow, India

L. Lioi, Bari, Italy

C. J. Liu, Brisbane, Australia

R. Machida-Hirano, Tepatitlán de Morelos, México

J. Magos Brehm, Lisbon, Portugal

Z. Matotan, Koprivnica, Croatia

S. McGuire, Norwich, UK

R. Michelmore, Davis, USA

C. Mondragon-Jacobo, Queretaro, Mexico

M. Morales, Beckley, USA

M. M. Muraya, Gatersleben, Germany

K. N. Nair, Lucknow, India

S. N. Nigam, Hyderabad, India

R. Ortiz, Alnarp, Sweden

C. Palma-Silva, Sao Paulo, Brazil

Q. Pan, Guangzhou, China

B. B. Panda, Berhampur, India

I. Pinker, Berlin, Germany

J. Ponert, Prague, Czech Republic

C. Qualset, Davis, USA

S. Quarrie, Belgrade, Serbia

R. S. Raje, New Delhi, India

G. Ramsay, Dundee, UK

T. S. Rana, Lucknow, India

K. V. Ravishankar, Bangalore, India

S. G. Razafimandimbison, Stockholm, Sweden

C. Richards, Fort Collins, USA

L. D. Robertson, Geneva, NY, USA

W. J. Rogers, Azul, Argentina

C. Royo, Lleida, Spain

J. Russell, Dundee, UK

S. St. Martin, Columbus, OH, USA

M. Santalla, Pontevedra, Spain

N. Sathyanarayana, Bangalore, India

N. Scarcelli, Montpellier, France

S. Sim, Wooster, USA

S. K. Sinha, Guwahati, India

F. Sparvoli, Milan, Italy

R. E. Tabien, Texas, USA

N. Syed, Dundee, Scotland

M. Ulloa, Shafter, USA

T. van Hintum, Wageningen, The Netherlands

K. S. Varaprasad, Hyderabad, India

F. Veronesi, Perugia, Italy

L. M. Versieux, Natal, Brazil

R. Vianello-Brondani, Goiania, Brazil

J. L. Villaseñor, UNAM, Mexico

K. P. Viswanatha, UAS, Bangalore, India

T. Winkel, Montpellier, France

L. Zeng, Stoneville, USA