It is also used as grafted rootstock for Vitis vinifera in majority of vineyards (at least in Europe). BEcause of Phylloxera [0] [0]: https://en.wikipedia.org/

It is also used as grafted rootstock for Vitis vinifera in majority of vineyards (at least in Europe). BEcause of Phylloxera [0] [0]: https://en.wikipedia.org/wiki/Phylloxera#Fighting_the_%22phylloxera_plague%22 https://en.wikipedia.org/wiki/Phylloxera#Fighting_the_%22phy...