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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">vir-nw</journal-id><journal-title-group><journal-title xml:lang="ru">Труды по прикладной ботанике, генетике и селекции</journal-title><trans-title-group xml:lang="en"><trans-title>Proceedings on applied botany, genetics and breeding</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2227-8834</issn><issn pub-type="epub">2619-0982</issn><publisher><publisher-name>N.I. Vavilov All-Russian Institute of Plant Genetic Resources</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.30901/2227-8834-2023-3-61-69</article-id><article-id custom-type="elpub" pub-id-type="custom">vir-nw-1652</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>ИЗУЧЕНИЕ И ИСПОЛЬЗОВАНИЕ ГЕНЕТИЧЕСКИХ РЕСУРСОВ РАСТЕНИЙ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>STUDYING AND UTILIZATION OF PLANT GENETIC RESOURCES</subject></subj-group></article-categories><title-group><article-title>Отбор сортов земляники по признакам продуктивности и качества ягод на основе нормированных индексов</article-title><trans-title-group xml:lang="en"><trans-title>Selection of strawberry cultivars according to their productivity and berry quality using normalized indices</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-9343-1082</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, старший научный сотрудник</p><p>350901 Краснодар, ул. 40 лет Победы, 39</p></bio><bio xml:lang="en"><p>Vadim I. Lapshin, Cand. Sci. (Biology), Senior Researcher</p><p>39 40 let Pobedy St., Krasnodar 350901</p></bio><email xlink:type="simple">lavai@list.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/0000-0002-4075-2130</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, старший научный сотрудник</p><p>350901 Краснодар, ул. 40 лет Победы, 39</p></bio><bio xml:lang="en"><p>Valentina V. Yakovenko, Cand. Sci. (Agriculture), Senior Researcher</p><p>39 40 let Pobedy St., Krasnodar 350901</p></bio><email xlink:type="simple">yakovenko_valent@mail.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>2023</year></pub-date><pub-date pub-type="epub"><day>22</day><month>10</month><year>2023</year></pub-date><volume>184</volume><issue>3</issue><fpage>61</fpage><lpage>69</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Лапшин В.И., Яковенко В.В., 2023</copyright-statement><copyright-year>2023</copyright-year><copyright-holder xml:lang="ru">Лапшин В.И., Яковенко В.В.</copyright-holder><copyright-holder xml:lang="en">Lapshin V.I., Yakovenko V.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://elpub.vir.nw.ru/jour/article/view/1652">https://elpub.vir.nw.ru/jour/article/view/1652</self-uri><abstract><sec><title>Актуальность</title><p>Актуальность. Совместное использование различных методов преобразования данных и многомерного статистического анализа, учитывающего несколько переменных, повышает эффективность отбора перспективных генотипов земляники по комплексу признаков для промышленного и мелкотоварного производства.</p></sec><sec><title>Материалы и методы</title><p>Материалы и методы. Изучались 17 сортов земляники садовой короткого дня в период 2020–2022 гг. Анализ велся по признакам продуктивности (число ягод, масса ягод I порядка, средняя масса ягоды), товарного качества ягод (плотность мякоти ягоды, высота ягоды, диаметр ягоды) и общей массе ягод с растения. В математической обработке данных применялись двухфакторный дисперсионный анализ, метод главных компонент, кластерный анализ по алгоритму Уорда, критерий Вилкоксона.</p></sec><sec><title>Результаты</title><p>Результаты. Установлена статистическая достоверность факторов «сорт» и «год» и эффекта их взаимодействия. Наибольшее влияние на изменчивость признаков оказал генотип сорта. Большая часть общей вариансы по комплексу признаков определилась пятью первыми главными компонентами. Кластерный анализ выделил две группы сортов. Исходные данные были преобразованы по наименьшей существенной разности НСР05 для получения нормированных индексов. С учетом критерия Вилкоксона по индексам проведено ранжирование сортов. При сопоставлении групп, построенных по средним и суммарным значениям нормированных индексов, с результатами кластерного анализа выделено 6 лучших сортов земляники по комплексу признаков.</p></sec><sec><title>Заключение</title><p>Заключение. Объединенное применение многомерных методов и нормированных индексов позволило выделить наиболее перспективные для производства сорта земляники по урожаю и качеству ягод: ‘Олимпия’, ‘Нелли’, ‘Флоренс’, ‘Кемия’, ‘Джайв’ и ‘Альба’.</p></sec></abstract><trans-abstract xml:lang="en"><sec><title>Background</title><p>Background. Combined use of various data transformation methods and a multivariate statistical analysis that takes into account several variables would increase the efficiency of selecting promising strawberry genotypes according to a set of traits for industrial and small-scale production.</p></sec><sec><title>Materials and methods</title><p>Materials and methods. In 2020–2022, 17 short-day garden strawberry cultivars were studied. The analysis was carried out for productivity (the number of berries, the weight of berries of the 1st order, and the average berry weight), marketable quality of berries (berry pulp density, berry height, and berry diameter), and total weight of berries per plant. Mathematical data processing employed a two-factor analysis of variance, the principal component method, cluster analysis by Ward’s algorithm, and Wilcoxon test.</p></sec><sec><title>Results</title><p>Results. The statistical significance of the cultivar and year factors, and their interaction was measured. The cultivar’s genotype had the greatest effect on the variability of characters. Greater part of the total variance in the set of characters was determined by the first five principal components. The cluster analysis identified two groups of cultivars. The initial data were transformed according to the least significant difference (LSD05) to obtain normalized indices. Taking into account the Wilcoxon test, the cultivars were ranked by the indices. When comparing the groups built in line with mean and total values of the normalized indices with the cluster analysis results, 6 best strawberry cultivars were identified for the studied set of characters.</p></sec><sec><title>Conclusion</title><p>Conclusion. The combined use of multivariate methods and normalized indices made it possible to identify the most promising strawberry cultivars according to their yield and berry quality: ‘Olympia’, ‘Nelli’, ‘Florence’, ‘Kemia’, ‘Jive’, and ‘Alba’.</p></sec><sec><title> </title><p> </p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>земляника садовая</kwd><kwd>сортообразцы</kwd><kwd>хозяйственно ценные признаки</kwd><kwd>многомерные методы</kwd><kwd>ранжирование</kwd></kwd-group><kwd-group xml:lang="en"><kwd>Fragaria × ananassa Duch.</kwd><kwd>cultivars</kwd><kwd>useful agronomic traits</kwd><kwd>multivariate methods</kwd><kwd>ranking</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Работа выполнена в рамках государственного задания согласно тематическому плану СКФНЦСВВ (0498-2022-0001) «Провести мобилизацию, сохранение, изучение генофонда садовых культур и винограда, исследование его генетической структуры, идентификацию генов хозяйственно ценных признаков с применением ДНК-технологий и создать сорта и подвои нового поколения с высоким потенциалом адаптивности, продуктивности, качества плодов и технологичности». Авторы благодарят рецензентов за их вклад в экспертную оценку этой работы.</funding-statement><funding-statement xml:lang="en">Тhe work was carried out within the framework of the state task according to the thematic plan of the North Caucasian Federal Scientific Center of Horticulture, Viticulture, Wine-making (0498-2022-0001) “To mobilize, preserve, and study the genetic diversity of horticultural crops and grapes, study its genetic structure, identify genes of useful agronomic traits using DNA technologies, and develop new-generation cultivars and rootstocks with high potential for adaptability, productivity, fruit quality, and processability”. 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