Rootstock Characteristics

VITICULTURAL CHARACTERISTICS OF ROOTSTOCKS USED IN SOUTH AFRICA

ROOTSTOCK* SOIL ADAPTABILITY VIGOUR RESISTANCE TO VEGETATIVE CYCLE
NEMATODES PHYTOPHTHORA  WETNESS DROUGHT SALINITY LIME
RICHTER 99* Sandy loam, compacted soils 4 4 1 2 4 2 4 Medium
RICHTER 110* Loamy clay 4/3 3 4 4/3 4/5 4 4 Long
101-14* Shallow clay, good moisture 3 4 3/4 4/5 2 4 2 Short
HARMONY** Loamy clay, deep 4/3 5 3/2 2 2/3 2/3 2 Medium
FREEDOM** Sand,low OM 5/4 5 3 2 3 3/2 3/2 Long
RAMSEY* Deep sand, low OM 5 5 4 5 4/3 4 4 Very long
143 B* Heavy loam, alluvial 3 2/3 4/5 4/5 4/3 4 4 Medium
PAULSEN 1103* Loamy, deep 4 4/3 1 4 4/3 2/3 4 Long
RUGGERI 140* Loamy clay, deep 4/5 3/2 1 2 5 2/3 5 Very long
US 8-7* Sandy loam, shallow/deep 4 4 5 5 3/4 3/4 4/3 Short
SO4* Sandy loam, deep 4/3 4/5 4 4/3 3 2/3 5/4 Short
3306 C* Loamy clay, deep 3/2 3 3 4/3 2 2/3 3 Medium
3309 C* Loamy clay, deep 3/2 2 3 3 3 2/3 3 Medium
420 A* Loamy clay, deep 2/3 3 2 2 3 2 5/4 Medium

*   Phylloxera resistance is accepted as adequate
** Not to be used in Phylloxera regions

Key:

1=Very poor
2=Poor
3=Moderate
4=Good
5=Very good

Contact Johan Wiese, Andrew Teubes or Koos van der Merwe:

Tel 021 864 1018 Contact Fax 021 864 3689 Contact e-mail vgroenberg@vgb.co.za Contact www.vgnurseries.co.za