A. Araba, IAV Hassan II, Morocco
S. Ates, Oregon State Univ., USA
M. Avondo, Univ. Catania, Italy
H. Ben Salem, INRAT, Tunisia
M. Bengoumi, FAO-SNE, Tunisia
L. Biondi, Univ. Catania, Italy
A. Bonanno, Univ. Palermo, Italy
A. Cabiddu, Agris, Italy
M. Caccamo, CoRFiLaC, Ragusa, Italy
I. Casasús, CITA- Aragón, Spain
M. Chentouf, INRA, Morocco
P. de Frutos, CSIC, Spain
A. de Vega, Univ. Zaragoza, Spain
D. Giambalvo, Univ. Palermo, Italy
S. Giger-Reverdin, AgroParisTech, France
M. Jouven, SupAgro, France
A. Keli, ENA-Meknés, Morocco
A. Kyriazopoulos, Democritus U. Thrace, Greece
M. Lanza, Univ. Catania, Italy
A. López-Francos, IAMZ-CIHEAM, Spain
G. Luciano, Univ. Catania, Italy
G. Moreno, Univ. Extremadura, Spain
A. Natalello, Univ. Catania, Italy
A. Nudda, Univ. Sassari, Italy
C. Porqueddu, CNR-ISPAAM, Italy
A. Priolo, Univerity of Catania, Italy
M. Rekik, ICARDA, Tunisia
M. Scerra, Univ. Mediterranea Reggio Calabria, Italy
P. Swanepoel, Stellenbosch Univ., South Africa
M. Todaro, Univ. Palermo, Italy
D. Yáñez-Ruiz, CSIC, Spain
B. Valenti, Univ. Perugia, Italy
A. Zoghlami, INRAT, Tunisia