On the Seed Renewal of Tulipa biebersteiniana s. str. in the South Ural Nature Reserve
Oksana V. Yusupova, Candidate of Biological Sciences, Senior Researcher
South Ural State Nature Reserve, Revet’, Republic of Bashkortostan, Russia, yusupova_ov@mail.ru, https://orcid.org/0000-0001-7202-2944
Larisa M. Abramova, Doctor of Biological Sciences, Professor, Chief Researcher
South Ural Botanical Garden-Institute, separate structural unit of the Ufa Federal Research Centre of the Russian Academy of Sciences, Ufa, Russia, abramova.57lm@mail.ru, https://orcid.org/0000-0002-3196-2080
Abstract
Original data on the germination of Tulipa biebersteiniana Schult. et Schult. fil. s. str. seeds under conditions close to natural ones, isolated localities of which are confined to the steppe slopes of the western foothills of the Southern Urals, have been obtained. The metric parameters of the seeds of this species have been determined, and the main indicators of seed productivity for one coenopopulation and the soil germination of seeds have been revealed. Seeds of early and late harvest, respectively collected in June and July, have been selected for the experiment. The first had green, unripe pods, while the second had ripe and partially opened pods. During the experiment, it was found that all the seeds produced the same sprouts after stratification. Dividing the seeds into small, medium, and large fractions also revealed that the sprouts from different-quality seeds had similar cotyledon sizes and germination dynamics. However, fewer sprouts were produced from large seeds compared to medium and small ones, and more bulbs were retained by the end of the sprouts’ life from the large seed fraction. It has been established that the germination energy and seed viability for the small seed fraction are 8—44%, for medium seeds — 35—46%, for large seeds — 9—24%.
Key words
South Ural Nature Reserve, Tulipa biebersteiniana Schult. et Schult. fil., rare species, seed productivity, soil germination.
For citation:
Yusupova O. V., Abramova L. M. On the Seed Renewal of Tulipa biebersteiniana s. str. in the South Ural Nature Reserve. Vestnik of Orenburg State Pedagogical University. Electronic Scientific Journal, 2026, no. 1 (57), pp. 57—68. DOI: https://doi.org/10.32516/2303-9922.2026.57.4.
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