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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">10.32634/0869-8155-2024-384-7-149-153</article-id><article-id custom-type="elpub" pub-id-type="custom">vetpress-3179</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>Методы многомерного анализа в оценке новых перспективных отборов земляники</article-title><trans-title-group xml:lang="en"><trans-title>Methods of multivariate analysis in estimation of the new prospect strawberry selections</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-4075-2130</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Яковенко</surname><given-names>В. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Yakovenko</surname><given-names>V. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Валентина Владимировна Яковенко - кандидат сельскохозяйственных наук </p><p>ул. им. 40-летия Победы, 39, Краснодар, 350901</p></bio><bio xml:lang="en"><p>Valentina Vladimirovna Yakovenko - Candidate of Agricultural Sciences </p><p>39 40th Anniversary of Victory Str., Krasnodar, 350901</p></bio><email xlink:type="simple">yakovenko_valent@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/0000-0002-9343-1082</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Лапшин</surname><given-names>В. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Lapshin</surname><given-names>V. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Вадим Игоревич Лапшин - кандидат биологических наук </p><p>ул. им. 40-летия Победы, 39, Краснодар, 350901</p></bio><bio xml:lang="en"><p>Vadim Igorevich Lapshin - Candidate of Biological Sciences </p><p>39 40th Anniversary of Victory Str., Krasnodar, 350901</p></bio><email xlink:type="simple">lavai@list.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Северо-Кавказский федеральный научный центр садоводства, виноградарства, виноделия</institution><country>Россия</country></aff><aff xml:lang="en"><institution>North Caucasian Federal Scientific Center of Horticulture, Viticulture, Wine-making</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2024</year></pub-date><pub-date pub-type="epub"><day>30</day><month>07</month><year>2024</year></pub-date><volume>0</volume><issue>7</issue><fpage>149</fpage><lpage>153</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Яковенко В.В., Лапшин В.И., 2024</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="ru">Яковенко В.В., Лапшин В.И.</copyright-holder><copyright-holder xml:lang="en">Yakovenko V.V., Lapshin V.I.</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/3179">https://www.vetpress.ru/jour/article/view/3179</self-uri><abstract><p>Актуальность. Спрос на новые генотипы с их более высокими характеристиками урожая и качества ягод, стабильно плодоносящие и устойчивые к абиотическим и биотическим стрессам, обусловливает развитие селекционных исследований по землянике. Внедрение новых сортов с их улучшенными характеристиками позволяет повысить эффективность производства и качество ягод. Цель исследования — сравнительная оценка новых элитных форм земляники с наиболее распространенными и районированными в Северо-Кавказском регионе сортами по признакам продуктивности и качества ягоды. Методы. Работа проводилась в течение 2021–2023 гг. 9 новых генотипов земляники сравнивались с 3 районированными интродуцированными в Северо-Кавказском регионе сортами по 4 признакам: число ягод, шт/куст; средняя масса ягоды, г; плотность мякоти ягоды, г; урожай, г/куст. Признаки учитывались согласно принятым в РФ методическим рекомендациям. Графическое распределение изученных образцов на плоскости обозначило гибридные формы, отличающиеся лучшими сочетаниями признаков продуктивности и крупноплодности, а также плотности мякоти ягоды и крупноплодности по сравнению с контрольными сортами. Метод главных компонент и статистическая процедура иерархического кластерного анализа изученных образцов по комплексу признаков позволили выделить 4 группы среди изученных генотипов земляники, достоверно различающиеся между собой по значениям изученных признаков. Результаты. В результате проведенных исследований были выделены перспективные формы для дальнейшей селекционной работы и производственной практики: отборы 20-17-15 Онда × Елизавета II, 16-8-18 Белруби × Сирия, 17-3-15 Нелли × Сирия и 25-11-15 Нелли × Сирия.</p></abstract><trans-abstract xml:lang="en"><p>Relevance. The demand for new genotypes with their higher characteristics of yield and quality of berries, stably bearing fruit and resistant to abiotic and biotic stresses, determines the development of breeding research on strawberries. The introduction of new varieties with their improved characteristics makes it possible to increase production efficiency and the quality of berries. The purpose of the study is a comparative assessment of new elite forms of strawberries with the most common and zoned varieties in the North Caucasus region based on the characteristics of productivity and quality of the berry. Methods. The work was carried out during 2021–2023. 9 new strawberry genotypes were compared with 3 zoned varieties introduced in the North Caucasian region according to four traits: number of berries, pcs/ bush; average berry weight, g; density of berry pulp, g; yield, g/bush. The traits were collected in accordance with the methodological recommendations adopted in the Russian Federation. The graphical scattering of the studied samples is revealed the hybrid forms, distinguished by the best combinations of the traits of productivity and fruit size and also density of berry pulp and fruit size compared to control varieties. The principal components method and statistical procedure for hierarchical cluster analysis of the studied samples based on a complex of traits made it possible to identify 4 groups among the studied strawberry genotypes, which significantly differ between themselves in the values of the studied traits. Results. As a result of the research, promising forms were identified for further breeding work and production practice: selections 20-17-15 Onda × Elizabeth II, 16-8-18 Belrubi × Syria, 17-3-15 Nelli × Syria and 25-11-15 Nelly × Syria.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>земляника</kwd><kwd>сорта</kwd><kwd>гибридные отборы</kwd><kwd>продуктивность</kwd><kwd>признаки качества ягоды</kwd><kwd>урожай</kwd></kwd-group><kwd-group xml:lang="en"><kwd>strawberry</kwd><kwd>varieties</kwd><kwd>hybrid selections</kwd><kwd>productivity</kwd><kwd>traits of berry quality</kwd><kwd>yield</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">Mezzetti B., Giampieri F., Zhang Y.-T., Zhong C.-F. Status of strawberry breeding programs and cultivation systems in Europe and the rest of the world. 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