Indian Journal of Science and Technology

Castets M-D.^*, Schaerlinger B.^*, Silvestre F.^°, Gardeur J-N.^*, Corbier C.^*, Kestemont P.^° and Fontaine P.^*

^* UR AFPA, Nancy University - INRA, 2 Avenue de la Forêt de Haye, BP 172, F-54505 Vandœuvre-lès-Nancy, France. Fax: +33 3 83 68 40 01 email:  [email protected]
^° URBO, University of Namur FUNDP, Rue de Bruxelles, 60, B– 5000 Namur Belgium.