Mid-early maturing variety, developed in the Siberian Institute of Horticulture named after M.A. Lisavensky in 1974 from crossing the variety 'Memory of Michurin' with selected form 7-63-3 (Lia Plodoryadnaya x Chornaya Lisavenskaya). Breeders: N.S. Antropova, Z.S. Zotova, I.P. Kalinina, N.I. Nazaryuk. Since 1999, included in the State Register of Varieties approved for use in the Western and Eastern Siberian regions.
Bush is strong-growing, compact, with sturdy branches, dense. Growing shoots are thick, straight, purple, matte, slightly hairy, woody - dark brown. Buds are small, elongated, pointed, maroon-brown, without hairs, deviated, solitary, apical - free.
Leaf is five-lobed, large, dark green, slightly shiny, smooth, leathery, blade slightly concave along main veins, with clearly visible venation. Main veins partially colored. Leaf tips are sharp, central lobe is elongated. Gaps between lobes are small. Side lobes are directed sideways, angle between central veins of side lobes is straight. Basal lobes are well developed, their veins spread out. Base of leaf has an open shallow notch. Teeth are short, sharp, with clearly defined 'tip'. Leaf petiole is medium length and thickness, hairy, vivid lilac, positioned at 45° angle to shoot.
Flowers are large, cup-shaped, sepals pink with purple tint, not closed, strongly twisted. Inflorescence axis is medium thickness, straight, hairless. Style is at the level of stamens. Inflorescences are medium length, up to 5-6 cm, dense, hanging. Axis is thick, green, with light purple 'tanning'.
Berries are medium-sized (1.1-2.4 g), round, black, with medium seed count, dry detachment, sour-sweet, good taste, universal use. Skin is medium thickness. Transportability is good. Berry stem is long, green, calyx closed. Chemical composition: dry substances - 12.8-18.2%, total sugars - 7.2-11.2%, titratable acidity - 1.6-4.2%, ascorbic acid - 164.5 mg/100 g, pectin substances (on fresh weight) - 1.1-2.7%.
Variety is winter-hardy, drought-resistant, high-yielding, average yield 8.9 t/ha (2.7 kg/plant), maximum - 19.5 t/ha. Fruit ripening is simultaneous. Suitable for mechanized harvest. Exhibits good self-fertility, possesses comprehensive resistance to fungal diseases, bud mites, spider mites, gall aphids.
Advantages of the variety: suitability for mechanized harvest, high winter-hardiness, high comprehensive resistance to fungal diseases, bud mites, gall aphids, spider mites.
Disadvantages of the variety: medium berry weight.
