1. Field Crop Laboratory, National Institute of Agronomic Research of Tunisia, University of Carthage, Rue Hédi Karray, 2049 Ariana, Tunisia.
2. Center of Research and Transfert Technology, Center of Biotechnology of Borj Cedria (CBBC), BP-901, 2050 Hammam-lif, Tunisia.
3. Horticultural Laboratory, National Institute of Agronomic Research of Tunisia, University of Carthage, Rue Hédi Karray, 2049 Ariana, Tunisia.