Index
1- Gravesac
2- Usual name:
Gravesac
3- Breeder
INRA ( National Institute of Agronomic Research . France)
4- Year of obtaining
1962
5- Genetic origin
Crossing between 161-49 Couderec and 3309 Couderec.
6- Resistance to soil parasites
Gravesac’s degree of tolerance to phylloxera radicola is very high.
In contrast, it is sensitive to the nematodes Meloidgyne arenaria and Meloidogyne incognita.
7- Adaptation to the viticultural environment
- Gravesac resists up to 15% total limestone and 6% active lime. CPI5.
- Its resistance to iron chlororsis ranges from medium to low.
- Above all, it performs well in acid soils.
- This pattern is well adapted to temporary conditions of excess humidity in spring and its degree of resistance to drought is medium.
- Works well on sandy or stony soils.
8- Interaction with the variety of vine and production objectives
- The Gravesac has a good affinity with most of the varieties.
- The vigor that this rootstock transfers to the vine varieties is medium high.
- The yields obtained with this rootstock are quite high and regular, and the products are generally of good quality.
- The only clone selected for the Gravesac is 264.
Other interesting articles in this section:
- Home VitiViniCultura.net
- All Vine rootstocks
- Portainjertos 196-17
- 420 A
- Richter 99
