Rusinka

Variety selected by VSTISP and Suzdal State Variety Testing Station of Vladimir Region. Breeders: A.M. Mikhayev, V.P. Yagunov.

Tree is below average height (about 2.0 m), with round, slightly drooping crown of medium density. Crown foliage is medium. Bark of trunk is dark gray with longitudinal cracks. Direction of lateral branch growth is nearly horizontal. Bark color is light brown. Number of lenticels is very small. Bud is slightly deviated from branch. Leaf blade is inversely egg-shaped, medium size. Leaf color is dark green. Leaf apex is obtuse, base is broadly wedge-shaped. Leaf blade slightly curved along central vein. Leaf blade texture is leathery. Upper leaf surface is matte. Pubescence on lower leaf surface is absent. Leaf margin tooth type is doubly serrated. Petiole is medium length, uncolored. Glands are absent. Inflorescence has small number of flowers. Corolla is medium diameter, flat. Petals are white, broadly oval, slightly fringed, arranged loosely. Stigma is small, positioned above or below relative to anthers. Stamens are numerous, short. Calyx is cup-shaped. Toothedness of sepals is absent. Style is short. Pedicel is medium length, with bracteoles. Fruits mainly form on cluster branches.

Fruit is medium size (3.4 g), broadly heart-shaped. Skin and flesh color are dark red, juice is red. Flesh has medium density. Pedicel is medium length, medium thickness, with large bracteoles. Stone is oval, long, medium width and thin, medium size — 0.28 g, which is 8.2% of fruit mass; light brown. Fruit pedicel detaches dry. Fruit flesh is dark red, juicy, sweet-sour taste (4.0 points). Juice is dark red. Stone separates easily from flesh. Variety is primarily for technical purposes. Fresh fruit contains 17% dry matter, 11.5% sugars, 1.4% organic acids, 15.8 mg/100g ascorbic acid.

Variety has medium flowering period and late ripening. Fruits ripen unevenly. Enters fruiting at 3-4 years old. Fruit production is regular. Self-fertile, high yielding (8-10 kg of fruit per tree). Winter hardiness of tree, one-year shoots and flower buds is high, wood is low. Spring frost resistance of flowers is medium. Drought and heat resistance are medium. Moderately sensitive to fungal disease pathogens. Infection by coccomycosis is 1.5-2.0 points.

Advantages of variety: restrained growth, self-fertility, high yield.

Disadvantages: medium fruit size, primarily for technical purposes.