420 MILLARDET GRASSET

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Vitis L. Grapevine · Fruit crops

also searched as: 420 миллардет грассет

Variety description

10 August 2026

The variety is a medium-vigorous rootstock with a male flower type, not forming clusters. Shoots are characterized by good maturation, amounting to about 85%. The root system is of the taproot type, while the rooting of cuttings is assessed as weak, requiring special stratification conditions.

The plant has high resistance to the root form of phylloxera and downy mildew, as well as medium resistance to nematodes. The rootstock is well adapted to clay, loam, and stony soils with a lime content of up to 30–40%, however, it is unsuitable for acidic, heavy, and waterlogged soils.

Grafting onto this rootstock promotes good inflorescence development in cultivars, although the rootstock itself may slightly delay crop maturation. The variety is valued for the longevity of the vines and compatibility with a wide range of European grape varieties.

Sources8

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Countries of admission

1 jurisdiction

Green indicates countries where the variety is listed in the national catalogue and its seeds are authorized for sale. Expired registrations are marked separately: the variety was previously admitted, but sale is no longer permitted.

IS FI NO SE EE IE GB DK LV LT NL DE PL BY PT ES FR BE CZ SK UA RU LU CH AT HU MD IT SI HR RS RO MT GR BG CY

active no record

Variety in registries Regions of admission, rights holders, and status of plant breeders' rights

Parties

Maintainer: VARIOS CONSERVADORES 1 610 Responsible for variety maintenance

Admission to trade

The variety is listed in the national registry — its seeds are authorized for sale in this country.

ES Spain Active

№ 17030009

Application

21 March 2002

Registration

21 March 2002

Registry	Number	Application	Registration	Terminated	Status
ES Spain	17030009	21 March 2002	21 March 2002	—	Active

Records are sourced from official registry publications. Data sources and legal status

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Nearby in the species list 31 RICHTER, class="text-ink hover:text-field underline underline-offset-2 decoration-rule hover:decoration-field transition-colors">3309 C, class="text-ink hover:text-field underline underline-offset-2 decoration-rule hover:decoration-field transition-colors">3309 Couderc, class="text-ink hover:text-field underline underline-offset-2 decoration-rule hover:decoration-field transition-colors">333 Ecole de Montpellier, class="text-ink hover:text-field underline underline-offset-2 decoration-rule hover:decoration-field transition-colors">333 ESCUELA DE MONTPELLIER34 EM, class="text-ink hover:text-field underline underline-offset-2 decoration-rule hover:decoration-field transition-colors">4010 Cl, class="text-ink hover:text-field underline underline-offset-2 decoration-rule hover:decoration-field transition-colors">41 B Millardet et de Grasset41 B MILLARDET GRASSET, class="text-ink hover:text-field underline underline-offset-2 decoration-rule hover:decoration-field transition-colors">420 A Millardet et de Grasset44-53 M, class="text-ink hover:text-field underline underline-offset-2 decoration-rule hover:decoration-field transition-colors">4986 Seibel, class="text-ink hover:text-field underline underline-offset-2 decoration-rule hover:decoration-field transition-colors">5 A MARTINEZ ZAPORTA, class="text-ink hover:text-field underline underline-offset-2 decoration-rule hover:decoration-field transition-colors">5 BB TELEKI KOBER, class="text-ink hover:text-field underline underline-offset-2 decoration-rule hover:decoration-field transition-colors">5276 Seyve-Villard, class="text-ink hover:text-field underline underline-offset-2 decoration-rule hover:decoration-field transition-colors">5455 Seibel, class="text-ink hover:text-field underline underline-offset-2 decoration-rule hover:decoration-field transition-colors">595 Oberlin, class="text-ink hover:text-field underline underline-offset-2 decoration-rule hover:decoration-field transition-colors">6736 CASTEL, class="text-ink hover:text-field underline underline-offset-2 decoration-rule hover:decoration-field transition-colors">7120 Couderc, class="text-ink hover:text-field underline underline-offset-2 decoration-rule hover:decoration-field transition-colors">7705 Burdin , , ,

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