SC 3 rootstock – a dwarf clonal apple variety bred in Krasnodar Krai and included in the Russian State Register of Breeding Achievements. Trees grafted onto this rootstock are approximately 25–30% shorter in height than the traditional M‑9, making them particularly suitable for dense planting (scheme 5 × 1.5–2.0 m) and saving space in the orchard.
The variety is characterized by early fruiting: fruit buds form as early as the second season at the nursery, and commercial fruiting begins in the second or third year. Yields of grafted plantations reach 40 t/ha, while the fruit maintains high quality and an appealing taste. The root system is tufted, powerful, but can become multi-layered with good mounding; however, practically no suckers form in the orchard.
Ecological resilience is the key factor for using SC 3 in the North Caucasus: the variety is heat- and drought-tolerant, winter-hardy, and resistant to common diseases. Trees require support installation from the first year of life due to the fragile root system and early fruit load, which prevents tilting and breakage.
SC 3 rootstock is recommended for farm and amateur horticulture in the North Caucasus region, where it has undergone multi-year trials and achieved status as a regional variety. Due to its compactness, high yield, and adaptability to local climatic conditions, this rootstock is becoming a popular choice among gardeners seeking high-quality fruit with economical use of space.