GRN 1 Grape Rootstock Overview Key Features Benefits Enquire
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GRN 1 Grape Rootstock

GRN 1 Grape Rootstock Watch Video

Low to Moderate Vigour Rootstock for Replant Sites

New Generation Grape Rootstock

Breeder:University of California, Davis (Walker et al.)

GRN 1 is designed for challenging replant sites, combining multiple nematode and Phylloxera
resistances with moderate drought tolerance. It offers consistent grafting success and moderate
control of scion vigour, ideal for vineyards targeting high fruit quality.

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Key Features

Resistance

Root-knot nematodes, dagger, ring, citrus and lesion nematodes; Phylloxera resistant

Use

Replant sites, drought-prone vineyards, medium vigour control

Genetic Background

V. rupestris × M. rotundifolia (‘Cowart’)

Growth Habit

Low to moderate vigour

Rooting Debth

Medium to deep

Drought Tolerance

Moderate

Grafting

Easy to graft

GRN1 offers growers a valuable solution to loss of soil sterilants and increased vineyard nematode levels, we’re excited to be working with Global Plant Genetics in bringing this rootstock to the European market

Javier Provedo, Viveros Provedo

GRN 1 Grape Rootstock Benefits

Adaptation & Growth Performance: Suited to replant sites and drought-prone vineyards, providing medium vigour control with low–moderate growth, medium to deep rooting, and moderate drought tolerance.
Genetic Background: Hybrid rootstock derived from V. rupestris × M. rotundifolia (‘Cowart’).
Compatibility & Pest Resistance: Easy to graft and offers strong resistance to root-knot, dagger, ring, citrus, and lesion nematodes, as well as phylloxera.

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Contact Us

If you would like to discuss licensing or in a new region or anything to do with the variety GRN 1 Grape Rootstock, please get in touch.

Claire Donkin

Claire Donkin

Contact Claire

GRN 1 Grape Rootstock Enquiry

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