3306 COUDERC (3306 C) is a hybrid of Vitis riparia (Tomenteux) x V rupestris Martin bred by Georges Couderc as a rootstock. It is less vigorous than 3309 C and may be better suited than the latter to wetter soils.

OTHER V. RIPARIA x V. RUPESTRIS ROOTSTOCKS / 101-14 Millardet et de Grasset. / 3309 Couderc. / Schwarzmann. /