RESULTS AND DISCUSSION
CONCLUSIONS AND PERSPECTIVES
2. MATERIALS AND METHODS
2.1. Plant material and growing conditions
From the Phaseolineae active collection held at Gembloux Agricultural University (Belgium), we selected one PP cultivar (NI1015), two PC cultivars (NI0016 and NI0229) and two PV cultivars (NI637 and NI638), according to their ability to grow in vitro (Lecomte, 1997).