Index
1- Rupestris de Lot. Portainjerto.
2- Usual name
Rupestris de Lot
3- Breeder
Initially studied by R. Sijas and then studied by Alexis Millardet who named it.
4- Year of obtaining
1879
5- Genetic origin
It is a selection of Vitis rupestris Scheele
6- Resistance to soil parasites
This rootstock offers a good degree of resistance to root phylloxera.
It is sensitive to the nematodes Meloidogyne arenaria and Meloidogyne incognita.
It has a certain degree of tolerance to the nematodes Meloidogyne hapla, Phytophtora cinnamomi and Agrobacterium vitis.
7- Adaptation to the wine environment
Rupestris de Lot resists up to 25% total limestone and 14% active lime. CPI of 20.
Its resistance to drought is medium and it is necessary to avoid planting in excessively compact soils. It has a slight tolerance to chlorides (salinity) and absorbs potassium quite well.
This pattern is well adapted to poor, little or no calcareous soils.
8- Interaction with the variety and wine production objectives
It usually has a good affinity for grafts. It gives very good results with the Garnacha Tinta .
The vigor it provides is quite high and induces an important vegetative development.
Lot’s Rupestris has a tendency to delay the vegetative cycle and can induce a lack of color in certain sensitive varieties.
The selected clones of Rupestris de Lot are: 110, 213, 214, 235, 750 and 751.
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