Synonyms: Muller, Mullerka, Mullerovo, Rivaner, Rizvanets

Parent pairs: Chasla de Courtillier x Madeleine Royal, according to other studies, the parent is Madeleine Royal x Riesling

Purpose of the grade: technical

Maturation period: average (139 days)

Berry color: light green, with a yellowish-golden hue and rusty spots on the sunny side

Berry shape: oval-rounded shape

Berry weight: 1.7 g

Seed availability: present

Flower Type: bisexual

Cluster shape: cylindrical-conical, sometimes lobed

Cluster structure: loose or dense

Average weight of a bunch: 126 g

Pulp type: the flesh is greenish, juicy, and has a pleasant taste

Berry skin: white, thin skin

Berry flavor: the taste has a varietal-specific flavor

Crop transportability: low

Mildew resistance: low

Resistance to oidium: low

Resistance to gray rot: low

Winter hardiness up: to -20°C

Direction of use: the variety is used for making juice, table wine, as well as for blending as an acid-reducing material.

The mechanical composition of the bunch: juice – 78%, ridges - 3.5%, skin, dense parts of the pulp and seeds - 14.2 %, seeds – 4.3 %