Crossing Porte Greffe Tolerance to active Calcium IPC Rooting System Vigour Influence over maturity Tolerance to Dry lands Tolerance to Humid lands Notes
Vinifera
*
Berlandieri
Fercal 45% 120 Plunging + Advance + ++ ensitive to magnesium deficiency.
41 B 40% 60 Creeping + Delay ++ - For dry and calcareous land, N°1 in Champagne
333 E.M. 40% 70 Plunging + Delay +++ ++ Scarcely diffused
Rupestris
*
Berlandieri
Ru 140 40% 90 Plunging +++ 0 +++ + Rustic and Vigorous, for dry lands.
Paulsen 1103 19% 30 Plunging +++ 0 ++ ++ Vigorous, for soils with calcium and clay. The most tolerant rootstock to salt (0.1%)
R 110 17% 25 Plunging ++ Delay ++++ - Vigorous, high resistance to dryness (Must not be grafted with Syrah.)
Riparia
*
Berlandieri
161-49 C 25 % 60 ½-plunging + Advance ++ - Can be subject to thylose the first year in dry lands
RSB 1 22 % 50 ½-plunging ++ 0 +++ ++ Used in south west of France : Charentes.
420 A 20 % 40 ½-plunging - Delay + - Riparia for lands with calcium
SO4 20 % 30 ½-plunging + 0 ++ ++ Most diffused rootstock. Suits almost all lands.
5 BB 20 % 30 ½-plunging ++ 0 ++ ++ For poor lands of hillock
5 C 17 % 25 ½-plunging + Advance + ++ Deep soils, fertile and humid.
3309 C
*
161-49 C
Gravesac 15% 20 ½-plunging + Advance ++ + Good behaviour in acidic soils.
Riparia
*
Rupestris
3309 C 11 % 10 ½-plunging - Advance + - Qualitative rootstock, commonly used.
101-14 Mgt 10 % 10 Creeping - Advance - ++ Qualitative rootstock for humid soils; sensitive to acidity.
RipariaRiparia Gloire de Montpellier 6 % 5 Creeping -- Advance - ++ The most qualitative. For fresh soils of alluvium, deep and fertile

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