Бюллетень Московского общества испытателей природы. Отдел биологический
Bulletin of Moscow Society of Naturalists.<br /> Biological Series
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2024. T. 129. Vyp. 5.
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2024. T. 129. Vyp. 5.

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DOI

10.55959/MSU0027-1403-BB-2024-129-5-26-33

Авторы:

Authors:

Choob V.V., Zernov A.S.

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Keywords:

Galanthus, Caucasus, Krasnodar Kray, flora, double-flowered, selection, variety, hybrid, male sterility, female sterility

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Choob V.V., Zernov A.S., New form Galanthus woronowii Losinsk., from the Caucasus // Byul. MOIP. Otd. biol. 2024. T. 129. Vyp. 5. S. 26-33

New form Galanthus woronowii Losinsk., from the Caucasus

The double-flowered form of snowdrop Galanthus nivalis L. f. pleniflorus P.D. Sell is known in horticulture since XVIII century. It is often cultivated as a variety ˈFlore Plenoˈ, and these two names are synonymous. The germplasm of modern double varieties of Galanthus was evolved in Europe on the base of G. nivalis f. pleniflorus. All the known double snowdrop varieties are referred to as hybrids of three species: G. nivalis, G. plicatus and G. elwesii. Before the present study in other Galanthus species the double forms were unknown. In Tuapse district of Krasnodar Kray in a cenopopulation of Galanthus woronowii Losinsk. a goup of plants with double flowers was discovered. We decided to describe these plants as a new form G. woronowii f. polytepala Choob et Zernov. In this form flowers contain two outer trimeric whorls of completely white tepals. The organotaxy of the inner tepals does not follow neither whorled nor spiral manner. Correspondingly, by the moment two natural double-flowered variants of snowdrops became known: G. nivalis f. pleniflorus and G. woronowii f. polytepala. The structure of flowers of G. nivalis f. pleniflorus and G. ˈHippolytaˈ (G. plicatus × G. nivalis f. pleniflorus) significantly differs from G. woronowii f. polytepala. The main difference lies in the fact that they always possess three outer white tepals, as in typical G. nivalis. The double forms and varieties of snowdrops have an underdeveloped gynoecium (e.g. female sterility) that excludes the self-pollination. Obviously, it indicates that all the hybrid varieties are heterozygous by the genetic locus, determining the character of double flowers. Consequently, the mutation, responsible for double flowers in G. nivalis f. pleniflorus, is dominant. The hypothesis of heterozygous state of hybrids is indirectly supported by some observations of variation from double to semi-double flowers and even the reversion to the typical flower structure in the same variety.

References

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Список литературы

  • Chub V.V. Rol’ pozitsionnoi informatsii v regulyatsii razvitiya organov tsvetka i listovykh serii pobegov. M.: Binom. Laboratoriya znanii, 2010. 264 s. (in Russ.)
  • Beth Chatto’s – https://www.bethchatto.co.uk/conditions/plants-forshade-conditions/galanthus-richard-ayres-9cm.htm.
  • Сarolyn’s shade gardens, a: Do All Snowdrops Look Alike? shadows – https://carolynsshadegardens.com/2014/12/02/do-allsnowdrops-look-alike/galanthus-elewesii-godfrey-owen/
  • Сarolyn’s shade gardens, b: The Jot gardening in the shadows – https:// carolynsshadegardens.com/2016/02/11/visiting-asnowdrop-collection/galanthus-natalie-garton-2/.
  • Cool plants – https://coolplants.com/en/plants/galanthus-elwesiigodfrey-owen.
  • Empreintes-Terre-Et-Jardins.Over-blog – http://empreintes-terre-etjardins.over-blog.com/2020/01/la-saison-des-galanthusgalanthus-elwesii-natalie-garton.html
  • Finegardening – https://www.finegardening.com/article/a-plant-collectorsspring-part-1/
  • Galanthus, a – https://www.galanthus.co.uk/product&product=GodfreyOwen
  • Galanthus, b – https://galanthus.be/en/database/collection/wifi_collection/
  • Galanthus database – https://galanthus.be/en/database/
  • Harvey Gardens Plants – https://www.harveysgardenplants.co.uk/
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  • Morlasplants – https://www.morlasplants.co.uk/product/galanthuselwesii-natalie-garton/
  • Rareplants – https://www.rareplants.co.uk/product/galanthusalburgh-claw/
  • Rushton S. Heyrick Greatorex: the founding father of snowdrop breeders – https://susanrushton.net/2019/03/02/heyrick-greatorexthe-founding-father-of-snowdrop-breeders/
  • Sell P.D., Murrell G. Flora of Great Britain and Ireland. Vol. 5. Cambridge Univ. Press, 1996. 440 p.
  • Thenford Arboretum and Gardens – https://thenfordarboretum.com/g/galanthus-_hill-poe%CC%88_-img630/.
  • Zonneveld B., Grimshaw J., Davis A. The systematic value of nuclear DNA content in Galanthus // Plant Syst. Evol., 2003. Vol. 241 (1–2). P. 89–102. Doi: 10.1007/s00606-003-0016-z

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Bulletin of the MOIP (ed. biol.) It is not included in the Web of Science Core Collection, but is indexed in five Thomson Reuters products on the Web of Science platform — Russian Science Citation Index, BIOSIS Previews, BIOSIS Citation Index, Biological Abstracts, Zoological Record.

The Bulletin of the MOIP (otd. biol.) is one of the journals from the RSCI list, and therefore, according to the Recommendations of the Higher Attestation Commission of 10/26/2022 (item 5), it is equated to the journals of the Higher Attestation Commission List from K1.