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- Rootstock -

420 A de MILLARDET Y GRASSET

Berlandieri Grasset x Riparia.

Rootstock planted in La Rioja many years ago.

It has a low vigour, and it needs a quality, cool soil.

Resistant to limestone and sensitive to nematodes and drought.

Earlier ripening than other rootstocks.

Suitable in high-density plantations (3,500 to 4,000 plants/ha), where it produces high quality grapes.

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