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<article article-type="research-article" 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">izvestiiatimacad</journal-id><journal-title-group><journal-title xml:lang="ru">Известия Тимирязевской сельскохозяйственной академии</journal-title><trans-title-group xml:lang="en"><trans-title>IZVESTIYA OF TIMIRYAZEV AGRICULTURAL ACADEMY</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">0021-342X</issn><publisher><publisher-name>ФГБОУ ВО РГАУ-МСХА имени К.А. Тимирязева</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.34677/0021-342x-2019-6-130-140</article-id><article-id custom-type="elpub" pub-id-type="custom">izvestiiatimacad-116</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>КРАТКИЕ СООБЩЕНИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>BRIEF MESSAGES</subject></subj-group></article-categories><title-group><article-title>Гендерное соотношение и анатомия разнополых особей морошки (Rubus chamaemorus L.) в Мурманской области</article-title><trans-title-group xml:lang="en"><trans-title>Floral sex ratios and anatomy of heterosexual plants in dioecious cloudberry (Rubus chamaemorus l.) grown in Murmansk region</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Петрова</surname><given-names>Светлана Евгеньевна</given-names></name><name name-style="western" xml:lang="en"><surname>Petrova</surname><given-names>Svetlana Ye.</given-names></name></name-alternatives><email xlink:type="simple">petrovasveta@list.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Московский государственный университет имени М.В. Ломоносова</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Lomonosov Moscow State University</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2019</year></pub-date><pub-date pub-type="epub"><day>17</day><month>11</month><year>2022</year></pub-date><volume>0</volume><issue>6</issue><fpage>130</fpage><lpage>140</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Петрова С.Е., 2022</copyright-statement><copyright-year>2022</copyright-year><copyright-holder xml:lang="ru">Петрова С.Е.</copyright-holder><copyright-holder xml:lang="en">Petrova S.Y.</copyright-holder><license xml:lang="ru" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>Данная работа распространяется под лицензией Creative Commons Attribution 4.0.</license-p></license><license xml:lang="en" 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://izvestiia.timacad.ru/jour/article/view/116">https://izvestiia.timacad.ru/jour/article/view/116</self-uri><abstract><p>Изучено гендерное соотношение в 3 ценопопуляциях у ценного «ягодного» двудомного растения - морошки в Кандалакшском районе Мурманской области. Описана микроструктура цветоносного побега у женских и мужских особей морошки с целью выявления новых признаков полового диморфизма. Во всех исследованных ценопопуляциях преобладали мужские особи, наибольший процент женских особей был обнаружен на лесном участке, наименьший - в заболоченном лесу близ ручья. Наибольшая плотность и, соответственно, число особей на квадратный метр отмечены на грядово-мочажинном болоте. Анатомическое строение однолетних осевых органов, листьев и чашелистиков сходно у мужских и женских растений, разница заключаются в отсутствии механической ткани в цветоносах у мужских форм, что можно объяснить их недолговечностью в отличие от цветоносов женских особей, которым необходимо длительное время удерживать плод. Полученные результаты обсуждаются в сравнении с литературными данными.</p></abstract><trans-abstract xml:lang="en"><p>The author studied gender ratios in three populations of a valuable dioecious plant - cloudberry grown in Kandalaksha district of Murmansk region. The paper describes the microstructure of flowering shoots in female and male cloudberries with the purpose of revealing new features of sexual dimorphism. Male individuals predominated in all of the studied populations. The largest percentage of female individuals was found on a forest site, the smallest percentage - in a boggy forest near a stream. The highest density and, accordingly, the largest number of individuals per square meter were found on a hummock-ridge bog. The anatomical structure of axes, leaves and sepals is similar in male and female plants. The difference is in the absence of mechanical tissue in peduncles in male forms. This fact can be explained by their short life unlike the peduncles of female individuals that need to hold the fruit for a long time. The obtained results have been compared with the data provided in the reference sources.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>Rubus chamaemorus</kwd><kwd>морошка</kwd><kwd>двудомность</kwd><kwd>гендерное соотношение</kwd><kwd>анатомия разнополых особей</kwd><kwd>Rubus chamaemorus</kwd><kwd>cloudberry</kwd><kwd>dioecy</kwd><kwd>gender ratio</kwd><kwd>anatomy of heterosexual</kwd></kwd-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Валуйских О.Е., Тетерюк Л.В. Особенности структуры ценопопуляций Rubus chamaemorus L. в зонах тайги и тундры европейского северо-востока России // Изв. Самар. НЦ РАН. 2010. Т. 12. № 1 (3). С. 652-656.</mixed-citation><mixed-citation xml:lang="en">Валуйских О.Е., Тетерюк Л.В. 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