Onion Altai when introduced in the South-Ural Botanical Garden-Institute

The paper presents the results of an introductory test of Altai onion: seasonal development, reproduction at different generative ages (young, middle-aged, old generative) and biochemical composition were studied. Seasonal development - in the 1st half of April. Blooms in late May-early June for an average of 27 days. Seeds ripen in July. Vegetates 180-190 days. At a young generative age, flowers in an umbrella are from 86 to 177 pcs. (135.33±13.36), fruits - from 70 to 161 pcs. (123.83±13.24), seeds in an umbrella - from 160 to 567 pcs. (435.0±71.2 pcs.), seeds in a box - from 2.2 to 4.2 pcs. (3.63±0.37 pcs.), productivity ratio - 55.5 %; in medium-generative plants, flowers - from 192 to 496 pcs. (321.0±43.58), fruits - from 180 to 468 pcs. (292.9±41.43), seeds in an umbrella - from 720 to 1823 pcs. (1223.5±170.23), seeds in the fruit - from 3.7 to 4.8 pcs. (4.2±0.15), productivity ratio - 59.5 %; in old plants, flowers - from 67 to 187 pcs. (122.11±14.24), fruits - from 45 to 135 pcs. (92.56 ± 9.44), seeds in an umbrella - from 103 to 406 pcs. (245.88±31.69), seeds in the fruit - from 1.7 to 3.3 pcs. (2.57±0.22), productivity factor - 34.6 %. Weight 1000 pcs. seeds - 2.5 g. The dynamics of vitamin C accumulation during the growing season: in the regrowth phase - 60.0 mg/%, in the budding phase - 43.56, in the flowering phase - 34.24, in the autumn regrowth phase - 46, 90 mg/%. In the shooting phase, the accumulation of sugar - 32.0 %, nitrogen - 2.43, dry matter - 10.85, protein - 15.18, fat - 4.13, starch - 1.98 %, carotene - 41.6 mg/kg. The species is promising for cultivation in the forest-steppe zone of the Bashkir Cis-Urals.