CUTTING EDGE GRAPEVINES

ROOTSTOCKS

Consider the importance of these factors when determining which rootstock is right for your vineyard program. 

ROOTSTOCK VARIETIES

Courderc 3309: Prefers deep well drained soil, but has a high tolerance to wet feet. Imparts moderate vigor and is highly resistant to Phylloxera. Resists Crown Gall.

Courderc 1616: Performs best in deep well drained soil, but also tolerates wet feet. Imparts moderate vigor and has a moderate resistance to Phylloxera. This rootstock encourages early maturity. 

Malegue 44-53: Best suited to fertile loam and will adapt to clay soils. Does not mind wet feet. It is moderate in vigor, and moderate to high in resistance to Phylloxera. High magnesium requirements. Deep rooting and probably the most drought resistant of the rootstocks listed here.  

Millardet Et Grasset 101-14: Performs well in heavy clay and stands wet feet. Highly resistant to Phylloxera, low to moderate in vigor and advances early maturity. Also resists Crown Gall.

Millardet Et Grasset 420A:  Prefers deep fertile soils but studies indicate it may adapt well to clay.  Imparts low vigor to the scion. Moderately resistance to Phylloxera. May have high potassium requirements. 

Riparia Gloire: Requires deep fertile and moist soils. High tolerance to wet feet. Has low vigor and promotes early maturity of the fruit. Riparia is highly resistant to Phylloxera.

 

 

 

 

Phylloxera resistant rootstock

Soil preference


 SOIL TYPE WELL DRAINED HUMID SOIL WELL DRAINED DRY SOIL BADLY DRAINED IN SPRING ACIDIC  pH 4.0-5.0
SANDY 101-14, 1616C 3309C, 44-53 101-14, 1616C N/A
SANDY-GRAVEL Riparia Gloire, 101-14, 3309C, 420A, 1616C 3309C, 44-53, 420A Riparia Gloire, 3309C N/A
CLAYEY-GRAVEL Riparia Gloire, 101-14, 420A, 3309C 3309C, 420A, 101-14 Riparia Gloire, 3309C, 44-53 44-53
SANDY-LOAM Riparia Gloire, 101-14, 3309C, 420A 44-53, 3309C Riparia Gloire, 1616C, 44-53, 3309C 44-53
LOAM Riparia Gloire, 3309C, 101-14, 420A, 1616C 420A, 3309C, 101-14, 44-53 Riparia Gloire, 44-53, 101-14 44-53, 3309C
CLAYEY-SANDY Riparia Gloire, 101-14, 420A, 3309C 44-53, 3309C Riparia Gloire, 1616C 44-53
CLAYEY-LOAM Riparia Gloire, 1616C, 101-14, 3309C, 420A 44-53, 3309C Riparia Gloire, 1616C 44-53
LOAM Riparia Gloire, 101-14, 1616C 44-53 Riparia Gloire, 1616C. 44-53

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