The vines of the Sauvignon Blanc cv. were grafted on different rootstocks selected from interspecific crosses or individual species: V. berlandieri Planch. × V. riparia Michx.
(Kober 5BB and SO4 cl. 31), V. riparia 183 Gm × V. cinerea Arnold (Börner);(V. vinifera × V. berlandieri) 41B/72, (V. vinifera × V. rupestris)× V. riparia (196/17 Cl),V.riparia
(Riparia cl.1).