Seedling of the 'Tatar Giant' variety from open pollination. Originator — Tatarstan Research Institute of Agriculture. Authors: L.A. Sevastyanova, G.E. Osipov, Z.A. Osipova. Under state testing since 2002.
Medium-sized tree (3.5 m). Crown is broom-like, medium density. Shoots are crimson-brown, bare. Leaf blade is oval, broadly oval, medium to short in length; medium in width. Color is green. Surface is smooth, slightly shiny. Pubescence is weak. Tooth type is blunt-serrate, double-blunt-serrate. Petiole is medium, short, with small, sparse stipules. Petals are narrowly open. Stamens 17-20. Stigma is positioned above the anthers. Pubescence of the ovary is absent. Calyx is cup-shaped. Pedicel length 10-15 mm, pubescence weak. Flowering and fruiting type: on fruiting spurs, cluster branches.
Fruits are broadly oval, broadly inverted-ovoid, average weight 18.0 g. Main color is purple, no covering. No pubescence. Waxy bloom strong. Fruit apex rounded. Base rounded with small pit. Pit is weakly developed. Flesh is light-yellow, fine-grained-fibrous, medium density, medium juiciness. Peduncle length 8-10 mm, short. Stone is broadly oval, broadly inverted-ovoid, weight 0.9 g; 5% of fruit flesh.
Fruit appearance is good (4.2 points). Flesh sugar content is medium. Fruit aroma is medium. Taste is good (4.2 points). Chemical composition of peel and flesh: dry matter content — 15.28%, free acids — 1.84%, sugars — 12.41%, ascorbic acid — 14.8 mg/100g. Fruit peduncle detachment is dry. Transportability is medium. Horticultural purpose — universal.
Flowering period 17-26 May. Ripening period 20 August — 2 September. Age to fruiting (after budding in nursery) medium — 4-5 years. Tree longevity is medium. Self-fertility is very poor. Visual yield assessment — good fruiting. Fruit-bearing regularity — annual. Yield per tree 15 kg.
Winter frost damage to shoots is medium (3 points). Winter frost damage to branches is slight (1-2 points). Winter and spring frost damage to flower buds is medium (26-50%). Drought resistance is medium. Heat tolerance is high. Diseases: Clasterosporiosis (3 points), rust (2 points). Pests: Plum sawfly (3 points), plum aphid (2 points).
Variety's production rating is good. Use — for commercial and collective orchard cultivation. Suitable for intensive orchards.
Advantages of the variety: high heat tolerance, good fruit quality.
Disadvantages of the variety: self-incompatibility.
