2- Usual name of the rootstock: 

34 IN

3- Breeder

Gustave Foëx

4- Year of obtaining


5- Genetic origin

It comes from the cross between the grape varieties of Vitis berlandieri cv Vitis riparia.

6- Resistance to soil parasites

The rootstock 34 EM offers a high degree of tolerance to root phylloxera .

This is resistant to some nematodes such as Meloidogyne incognita but is more resistant to the nematodes Meloidogyne arenaria.

7- Adaptation of the rootstock to the environment

The 34 EM rootstock is resistant up to 20% active limestone and an IPC of 40.

The resistance to iron chlorosis can be considered between medium and high.

8- Interaction with the variety and production objectives

The vigor transmitted by the rootstock is important.

The rootstock has an early vegetative cycle that can be interesting for northern viticulture or table grapes.

The clones selected in the viticulture of the 34 EM standard are 1032 and 1033.

Dr. Sofia Seccombe

My name is Dr. Sofia Seccombe, and in this small section, I want to tell you who I am and why I started this project. I don't want to bore you, but I consider that it is an important part of godlywine. It serves as an exercise in transparency so that the person who reads the articles can be sure that the information is reliable.

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