P1 - Rootstocks (4 transferred)

Question 1

Rootstock: Ramsey

Answer 1

V. Champinii, drought-tolerant, salt-tolerant, nematode-resistant, widely used in Australia;

high vigor, can lead to high potassium, high pH in wine;

Question 2

Rootstock: 101-14Mgt

Answer 2

riparia x rupestris; drought-sensitive;

excellent phylloxera resistance, low vigor, early ripening, used in some high-quality French vineyards; can not tolerate lime well, shallow root system.

Question 3

Rootstock: Riparia Gloire de Montpelier

Answer 3

riparia; drought-sensitive, high phylloxera resistance, oldest rootstock used in France.
Low vigor, provides for lower yields (higher quality) and early ripening, used throughout Europe.

Question 4

Rootstock: 110 R

Answer 4

Berlandieri x rupestris; high vigor (tends to delay ripening/maturity); high phylloxera resistance, low nematode resistance; moderately lime tolerant, drought-tolerant (widely used in Mediterranean climates).