Early autumn variety obtained at the Scientific Research Institute of Horticulture of Siberia named after M. A. Lisavenko from crossing Chinese pear with Ber Bosc. Breeders: I. P. Kalinina, I. A. Puchkin, G. N. Baykova. Approved for Western Siberian, Eastern Siberian, and Volga-Vyatka regions.
Medium-sized tree with a round, dense crown. Bark on main branches is gray-brown, peeling.
Shoots slightly arched, dark reddish-brown, hairy at tips. Leaves small, elliptical, with spirally twisted tips, light green, wrinkled, slightly hairy.
Fruits below average size (mass 78 g), obtuse-conical or broad pear-shaped. Skin not rough, dull. Main color at harvest is greenish, turning yellow at consumption stage; russeting is diffuse and striped, red, with slight blush. Under-skin spots small, greenish, clearly visible. Fruit stalk medium length, curved. Pit small, calyx persistent, dish medium depth, broad. Seed cavity small, egg-shaped. Chambers closed, medium size. Sub-calyx tube weakly expressed. Seeds large, egg-shaped, brown.
Flesh creamy, tender, semi-oily, juicy, tart-sweet, good taste. Chemical composition of fruits: total sugars — 9.5%, titratable acids — 0.44%, tannins 170 mg/100g, ascorbic acid — 9.5 mg/100g, P-active compounds — 125 mg/100g.
Harvest ripeness occurs at end of September; consumer ripeness — at beginning of October. Under room conditions, fruits keep 15-20 days; in refrigerator — until New Year. Suitable for fresh consumption and technical processing. On poor, insufficiently moist soils, fruit taste deteriorates sharply.
Enters fruiting on the fourth to fifth year. Bears fruit regularly but moderately. Moderate winter hardiness. Highly resistant to fungal diseases.
Advantages of the variety: good commercial and consumer qualities of fruits.
Disadvantages of the variety: demanding growing conditions, dense crown.