Code | Definition | Number of Accessions |
1 | absent (Isabella N, Garnacha Tinta N, Dattier de Beyrouth B) | 4 |
2 | petiol point red (Muškát alexandrijský B, Palomino Fino B) | 4 |
3 | red until the first bifurcation (Rkaciteli B, Primitivo N) | 2 |
4 | red until the second bifurcation (Chenin B, Dolcetto N) | 4 |