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<article article-type="conference-paper" dtd-version="1.3" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xml:lang="ru"><front><journal-meta><journal-id journal-id-type="publisher-id">vavilov</journal-id><journal-title-group><journal-title xml:lang="ru">Вавиловский журнал генетики и селекции</journal-title><trans-title-group xml:lang="en"><trans-title>Vavilov Journal of Genetics and Breeding</trans-title></trans-title-group></journal-title-group><issn pub-type="epub">2500-3259</issn><publisher><publisher-name>Institute of Cytology and Genetics of Siberian Branch of the RAS</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.18699/vjgb-24-02</article-id><article-id custom-type="elpub" pub-id-type="custom">vavilov-4050</article-id><article-categories><subj-group subj-group-type="heading"><subject>Research Article</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="ru"><subject>МАТЕРИАЛЫ КОНФЕРЕНЦИИ «УСТОЙЧИВОСТЬ РАСТЕНИЙ И МИКРООРГАНИЗМОВ К НЕБЛАГОПРИЯТНЫМ ФАКТОРАМ СРЕДЫ», ИРКУТСК</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>PROCEEDINS OF THE CONFERENCE “RESISTANCE OF PLANTS AND MICROORGANISMS TO ADVERSE ENVIRONMENTAL FACTORS”, IRKUTSK</subject></subj-group></article-categories><title-group><article-title>Репродуктивные взаимоотношения между представителями таксонов, морфологически близких к Elymus caninus (Poaceae: Triticeae)</article-title><trans-title-group xml:lang="en"><trans-title>Reproductive relationships between taxa morphologically close to Elymus caninus (Poaceae: Triticeae)</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-6566-9325</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Шабанова</surname><given-names>Е. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Shabanova</surname><given-names>E. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Новосибирск</p></bio><bio xml:lang="en"><p>Novosibirsk</p></bio><email xlink:type="simple">ekobozeva87@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-1403-5867</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Агафонов</surname><given-names>А. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Agafonov</surname><given-names>A. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Новосибирск</p></bio><bio xml:lang="en"><p>Novosibirsk</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-5729-3594</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Дорогина</surname><given-names>О. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Dorogina</surname><given-names>O. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Новосибирск</p></bio><bio xml:lang="en"><p>Novosibirsk</p></bio><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru">Центральный сибирский ботанический сад Сибирского отделения Российской академии наук<country>Россия</country></aff><aff xml:lang="en">Central Siberian Botanical Garden of the Siberian Branch of the Russian Academy of Sciences<country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2024</year></pub-date><pub-date pub-type="epub"><day>01</day><month>03</month><year>2024</year></pub-date><volume>28</volume><issue>1</issue><fpage>5</fpage><lpage>14</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Шабанова Е.В., Агафонов А.В., Дорогина О.В., 2024</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="ru">Шабанова Е.В., Агафонов А.В., Дорогина О.В.</copyright-holder><copyright-holder xml:lang="en">Shabanova E.V., Agafonov A.V., Dorogina O.V.</copyright-holder><license license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>This work is licensed under a Creative Commons Attribution 4.0 License.</license-p></license></permissions><self-uri xlink:href="https://vavilov.elpub.ru/jour/article/view/4050">https://vavilov.elpub.ru/jour/article/view/4050</self-uri><abstract><p>Проведено гибридологическое изучение биотипов видов, близких к Elymus caninus: E. prokudinii, E. viridiglumis, E. goloskokovii, а также ряда морфологически отклоняющихся биотипов с территории России и Казахстана. Была поставлена задача изучить уровни репродуктивных взаимоотношений и степени интегрированности видов E. goloskokovii, E. prokudinii и E. viridiglumis в комплекс E. caninus. Значения семенной фертильности природных родительских биотипов оценены нами в пределах 60–90 %. Среди комбинаций скрещивания в F1 наивысшая завязываемость семян выявлена у гибридов, образованных родительскими парами из близких местообитаний, независимо от таксономической принадлежности биотипов. Наивысшие величины фертильности (55.6 и 46.1 %) обнаружены в комбинациях с участием видов E. caninus, E. viridiglumis и E. goloskokovii. Сделан вывод, что биотипы названных видов, включенные в половую гибридизацию, образуют единый рекомбинационный генпул, внутри которого наблюдаются незначительные различия по репродуктивной совместимости. Показан характер наследования диагностических признаков нижних цветковых чешуй «наличие трихом» и «длина остей» по дигенному и моногенному типу соответственно. Высокая семенная фертильность созданных гибридов и наличие в поколении F2 промежуточных форм по различительным признакам свидетельствуют о возможности межвидовой интрогрессии при совместном произрастании видов в природных популяциях. Таким образом, оценка наследования диагностических признаков позволяет классифицировать E. goloskokovii, E. prokudinii и E. viridiglumis как внутривидовые таксоны E. caninus s. l. Получены данные о морфологических и репродуктивных свойствах межвидовых гибридов с участием вида E. mutabilis как возможного донора при видообразовании таксонов, близких к E. caninus. В комбинациях скрещивания E. caninus × E. mutabilis и E. mutabilis × E. caninus отмечены более низкие значения семенной фертильности гибридов в поколениях F1 и F2 по сравнению с гибридами между видами E. caninus, E. goloskokovii, E. prokudinii и E. viridiglumis. Тем не менее на основе хорологического и морфологического критериев нами сделан вывод о видовой самостоятельности E. caninus и E. mutabilis.</p></abstract><trans-abstract xml:lang="en"><p>A hybridological study of biotypes of species close to Elymus caninus: E. prokudinii, E. viridiglumis, E. goloskokovii, as well as a number of morphologically deviant biotypes in Russia and Kazakhstan, was carried out. The objectives were to study the levels of reproductive relationships and the degree of integration of the species E. goloskokovii, E. prokudinii, and E. viridiglumis into the E. caninus complex. Our estimates of the seed fertility of natural parental biotypes were within 60–90 %. Among the combinations of crossing in F1, the highest seed setting was found in the hybrids formed by parental pairs from close habitats, regardless of the taxonomic rank of biotypes. The highest fertility values (55.6 and 46.1 %) were found in combinations involving E. caninus, E. viridiglumis and E. goloskokovii. It has been concluded that the biotypes of these species included in sexual hybridization form a single recombination gene pool, within which slight differences in reproductive compatibility are observed. The nature of the inheritance of the diagnostic features of lemmas“presence of trichomes” and“length of awns”, according to the digenic and monogenic type, respectively, is shown. The high seed fertility of the created hybrids and the presence of intermediate forms in the F2 generation according to distinctive features indicate the possibility of interspecific introgression when species grow together in natural populations. Thus, the assessment of the inheritance of diagnostic characters makes it possible to classify E. goloskokovii, E. prokudinii, and E. viridiglumis as intraspecific taxa of E. caninus s. l. Data were obtained on the morphological and reproductive properties of interspecific hybrids with the participation of the species E. mutabilis as a possible donor in the speciation of taxa close to E. caninus. In cross combinations of E. caninus × E. mutabilis and E. mutabilis × E. caninus, lower values of seed fertility of hybrids in the F1 and F2 generations were noted compared to hybrids between the species E. caninus, E. goloskokovii, E. prokudinii and E. viridiglumis. Nevertheless, on the basis of chorological and morphological criteria, we concluded that E. caninus and E. mutabilis are independent species.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>видообразование</kwd><kwd>гибридизация</kwd><kwd>признак</kwd><kwd>наследование</kwd><kwd>таксономия</kwd><kwd>Elymus</kwd><kwd>Poaceae</kwd></kwd-group><kwd-group xml:lang="en"><kwd>speciation</kwd><kwd>hybridization</kwd><kwd>inheritance</kwd><kwd>taxonomy</kwd><kwd>Elymus</kwd><kwd>Poaceae</kwd></kwd-group><funding-group xml:lang="en"><funding-statement>The study was carried out within the framework of State Assignment of CSBG SB RAS No. АААА-­А21-­121011290025­-2 and was financially supported by the Ministry of Science and Higher Education of the Russian Federation under Agreement No. 075-­15-­2021-­1056 of September 28, 2021 between BIN RAS and the Ministry of Science and Higher Education of the Russian Federation, also under Agreement No. ЕП/29-­10-­21-­4 between BIN RAS and CSBG SB RAS. The materials of the bio­resource scientific collections of the CSBG SB RAS USU No. 440534 and USU No. 440537 (Herbaria NS, NSK) were used. The authors are grateful to engineer M.V. Emtseva for assistance in conducting hybridological studies.</funding-statement></funding-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Agafonov A.V. The principle of recombination gene pools (RGP) and introgression gene pools (IGP) in the biosystematic treatment of Elymus species. In: Proc. of the 2nd Int. Triticeae Symp. Logan, Utah, USA, 20–24 June, 1994. Logan, 1994;254-260</mixed-citation><mixed-citation xml:lang="en">Agafonov A.V. The principle of recombination gene pools (RGP) and introgression gene pools (IGP) in the biosystematic treatment of Elymus species. In: Proc. of the 2nd Int. Triticeae Symp. Logan, Utah, USA, 20–24 June, 1994. 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