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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">vetpress</journal-id><journal-title-group><journal-title xml:lang="ru">Аграрная наука</journal-title><trans-title-group xml:lang="en"><trans-title>Agrarian science</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">0869-8155</issn><issn pub-type="epub">2686-701X</issn><publisher><publisher-name>Редакция журнала "Аграрная наука"</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.32634/0869-8155-2024-383-6-106-111</article-id><article-id custom-type="elpub" pub-id-type="custom">vetpress-3118</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>АГРОНОМИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>AGRONOMY</subject></subj-group></article-categories><title-group><article-title>Оценка экологической пластичности сортообразцов ежи сборной в условиях Республики Коми</article-title><trans-title-group xml:lang="en"><trans-title>Assessment of the ecological plasticity of cocksfoot specimens in the Komi Republic</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-7184-6113</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Тулинов</surname><given-names>А. Г.</given-names></name><name name-style="western" xml:lang="en"><surname>Tulinov</surname><given-names>A. G.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Алексей Геннадьевич Тулинов, кандидат сельскохозяйственных наук, научный сотрудник</p><p>ул. Ручейная, 27, Сыктывкар, Республика Коми, 167023</p><p> </p></bio><bio xml:lang="en"><p>Alexey Gennadievich Tulinov, Candidate of Agricultural Sciences, Researcher Associate</p><p>27 Rucheinaya Str., Syktyvkar, Komi Republic, 167023</p></bio><email xlink:type="simple">toolalgen@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/0000-0001-6550-2296</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Косолапова</surname><given-names>Т. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Kosolapova</surname><given-names>T. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Татьяна Всеволодовна Косолапова, младший научный сотрудник</p><p>ул. Ручейная, 27, Сыктывкар, Республика Коми, 167023</p></bio><bio xml:lang="en"><p>Tatyana Vsevolodovna Kosolapova, Junior Research Fssociate</p><p>27 Rucheinaya Str., Syktyvkar, Komi Republic, 167023</p></bio><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Институт агробиотехнологий им А.В. Журавского Коми научного центра Уральского отделения Российской академии наук</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Institute of Agrobiotechnologies named after A.V. Zhuravsky Komi Scientific Center of the Ural Branch of the Russian Academy of Sciences</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2024</year></pub-date><pub-date pub-type="epub"><day>16</day><month>06</month><year>2024</year></pub-date><volume>0</volume><issue>6</issue><fpage>106</fpage><lpage>111</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Тулинов А.Г., Косолапова Т.В., 2024</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="ru">Тулинов А.Г., Косолапова Т.В.</copyright-holder><copyright-holder xml:lang="en">Tulinov A.G., Kosolapova T.V.</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://www.vetpress.ru/jour/article/view/3118">https://www.vetpress.ru/jour/article/view/3118</self-uri><abstract><sec><title>Актуальность</title><p>Актуальность. Проводя анализ современных требований сельхозпроизводителей продукции животноводства, предъявляемых к сортам многолетних кормовых культур, можно выделить ряд основных критериев. Это и хозяйственно ценные признаки (высокая урожайность, качественные показатели, резистентность к болезням), и продолжительность лет нахождения в травостое, а самое главное – высокая адаптивность к биотическим и абиотическим факторам среды, в которых данная культура возделывается.</p></sec><sec><title>Методы</title><p>Методы. В исследовании, включающем в себя два этапа, был проведен анализ в коллекционном питомнике 11 номеров ежи сборной (Dactylis glomerata L.) из Всероссийского института генетических ресурсов растений (ВИР) им. Н.И. Вавилова (г. Санкт-Петербург) различного эколого-географического происхождения, территориально относящихся к Арктическому региону РФ (2016–2018 гг.), и 4 отобранных для дальнейшего испытания номеров селекционного питомника (2020–2022 гг.) по параметрам экологической пластичности, стабильности и адаптивности.</p></sec><sec><title>Результаты</title><p>Результаты. По итогам исследований 2016–2018 гг. перспективной кормовой культуры ежи сборной установлено, что наиболее ценным селекционным материалом для дальнейшей гибридизации являются сорта Двина (Россия) и Haka (Финляндия), показавшие высокое значение средней урожайности двух укосов зеленой массы – 20,0–20,5 т/га. Из рассматриваемых сортообразцов 2020–2022 гг. к наиболее пластичному и стабильному отнесен СН-185 (bi – 0,94, σd 2 – 0,93); образец СН-188 (Хср. – 42,9 т/га) превысил сорт стандарт Нева (Россия) по урожайности сухой массы за два укоса на 2,1 т/га, а по урожайности семян – на 40,5 г/м2.</p></sec></abstract><trans-abstract xml:lang="en"><sec><title>Relevance</title><p>Relevance. Analyzing the modern requirements of agricultural producers of livestock products for varieties of perennial forage crops, we can identify a number of their main criteria. These are economically valuable traits (high yield, quality indicators, disease resistance), and the length of years spent in grass, and most importantly, high adaptability to the biotic and abiotic environmental factors in which this crop is cultivated.</p></sec><sec><title>Methods</title><p>Methods. In the study, which included two stages, an analysis was carried out in a collection nursery of eleven cocksfoot (Dactylis glomerata L.) samples from the N.I. Vavilov All-Russian Institute of Plant Genetic Resources (VIR) (St. Petersburg) of various ecological and geographical origins, geographically related to the northern, arctic region of the Russian Federation (2016–2018) and four numbers of the breeding nursery selected for further testing (2020–2022) according to environmental parameters plasticity, stability and adaptability.</p></sec><sec><title>Results</title><p>Results. Based on the results of research in 2016–2018 of a promising forage cocksfoot crop, it was established that the most valuable breeding material for further hybridization are the varieties Dvina (Russia)  and Haka (Finland), which showed a high average yield of two cuttings of green mass – 20.0–20.5 t/ha. Of the cultivars under consideration in 2020–2022, CH-185 (bi – 0.94, σd2 – 0.93) was classified as the most plastic and stable; sample CH-188 (Xsr. – 42.9 t/ha) exceeded the standard Neva (Russia) variety in terms of dry weight yield for two mowing by 2.1 t/ha, and in terms of yield seeds – 40.5 g/m2.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>ежа сборная (Dactylis glomerata L.)</kwd><kwd>сортообразец</kwd><kwd>продуктивность</kwd><kwd>пластичность</kwd><kwd>стабильность</kwd><kwd>адаптивность</kwd></kwd-group><kwd-group xml:lang="en"><kwd>cocksfoot (Dactylis glomerata L.)</kwd><kwd>variety</kwd><kwd>productivity</kwd><kwd>plasticity</kwd><kwd>stability</kwd><kwd>adaptability</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Работа выполнена по государственному заданию № FUUU-2023-0001 (регистрационный № 123033000036-5) при финансовой поддержке Минобрнауки РФ.</funding-statement><funding-statement xml:lang="en">The work was carried out according to the state task № FUUU-2023-0001 (registration № 123033000036-5) with the financial support of the Ministry of Science and Higher Education of the Russian Federation.</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">Olszewska M., Grzegorczyk S., Grabowski K. 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