Black Currant (Ribes nigrum) YADRENAYA

Black Currant (Ribes nigrum) 'Yadrenaya'

Siberian variety with extremely large fruits, designed for the harshest conditions.

'Yadrenaya' (translated as "Vigorous" or "Sturdy") is a unique Russian variety bred in Siberia, world-famous for the size of its fruit. These are considered the largest among black currants, often reaching the size of a cherry or small plum (up to 7.8 g). It is a specific variety designed for harsh climatic conditions, excelling in resistance to frost and pests. The taste is distinctly tart and refreshing.

Key Highlights:

• Extremely large fruits: Weight 2.5 – 5.5 g (occasionally up to 7.8 g).
• High frost resistance: Bred in Siberia.
• Pest resistance: Resistant to the black currant gall mite.
• Early onset of bearing and self-fertility.
• Firm skin and dry scar (suitable for transport).

Origin and Registration

• Origin: Russia (M. A. Lisavenko Research Institute of Horticulture for Siberia). Breeder L. N. Zabelina. Registered in 2000.

Variety Characteristics

Bush

• Growth: Medium vigor, limited growth (up to 150 cm). Habit is compact, rather sparse.
• Leaves: Dark green, glossy, blistered.
• Productivity: High (average 2.5 kg per bush), early onset of bearing.

Fruit

• Size and Weight: Very large berries, shaped like small plums.
• Skin: Thick, firm, and fleshy. Black color with a faint gloss.
• Taste: Refreshing, tart (acidic). Sugar content approx. 9%, acid 3.7%.
• Usage: Universal – visually attractive due to size, suitable for freezing and processing.

Resistance and Requirements

• Resistance: The variety is resistant to the black currant gall mite and powdery mildew. In wet years, it may be susceptible to anthracnose.
• Frost: High resistance, suitable for cold regions.

Cultivation Recommendations

• Pollination: It is self-fertile.
• Care: The bush ages more rapidly, therefore requiring regular renewal pruning and good nutrition to maintain fruit size.

Harvest and Storage

• Harvest time: Mid-late (late July – August).
• Harvest: Fruits have a dry scar and do not drop after ripening.