Oppenheim #4

COMMON SYNONYM: SO4
COUNTRY OF ORIGIN: Germany
SPECIES: Interspecific Cross (berlandieri; riparia)
BREEDER: School of Viticulture, Oppenheim
PEDIGREE: Rességuier x V. riparia
USE: Rootstock
VIGOR: Moderate
BUDBREAK:
HARVEST TIMING: n/a
CLONES OFFERED: 09

Information from the National Grape Registry, www.ngr.ucdavis.edu

OTHER INFORMATION: Oppenheim does poorly in drought conditions, but has good resistance to phylloxera and nematodes. SO4 has trifid tendrils, reddened blotchy shoot tips.