Allium suworowii biological features in culture in Bashkir Cis-Urals

The study was carried out at the onion collection site of the Botanical Garden (Ufa, Bashkir Cis-Urals, northern forest-steppe) in 1997-2021. The article presents the results of studying the biological characteristics of Allium suworowii Regel in culture: reproduction, reproduction of individuals of different ages, agricultural technology, and also assesses the success and prospects of the species in culture. Phenoritmotype is a short-vegetating spring-early summer flowering ephemeroid. Grows in the 1st-2nd decade of April. Flowering occurs in the 2nd-3rd decade of May. Flowering time is 11-19 days. Seeds ripen in July. The vegetation phase lasts 63-79 days. Plants in the middle generative age have the highest reproductive capacity. The arrow height of middle-aged plants is 125-150 cm, the inflorescence diameter is 11-13 cm, the number of flowers of an individual inflorescence is 284.22 ± 20.69 pcs., the number of fruits is 185.4 ± 19.11 pcs., the seed production of an individual umbrella is 390.25 ± 54.40 pcs., the number of seeds in the fruit - 2.0 ± 0.16 pcs. Productivity coefficient - 23.4 %. Suvorov's onion reproduces by seed and vegetatively (the mother bulb is divided into 2-5 pieces). Weight 1000 pcs. seeds - 8.2 g. The period of development from seed to seed is up to 7-9 years. According to the assessment of introduction resistance, A. suworowii scores 17 points under the conditions of culture, the species is promising for cultivation in the region of the Bashkir Cis-Urals. Suvorov's onion can be recommended for landscaping in the design of early summer flower beds.