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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">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/VJ19.544</article-id><article-id custom-type="elpub" pub-id-type="custom">vavilov-2261</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>Биология развития растений</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>Developmental biology of plants</subject></subj-group></article-categories><title-group><article-title>Изменчивость структуры корреляций морфологических и хозяйственных признаков у сои с разным типом роста и характером ветвления</article-title><trans-title-group xml:lang="en"><trans-title>Variability of the structure of correlations between the morphological and commercial traits of soybeans with different growth habit and branching characters</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-3708-2594</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Бурляева</surname><given-names>М. О.</given-names></name><name name-style="western" xml:lang="en"><surname>Burlyaeva</surname><given-names>M. O.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Санкт-Петербург.</p></bio><bio xml:lang="en"><p>St. Petersburg.</p></bio><email xlink:type="simple">m.burlyaeva@vir.nw.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Ростова</surname><given-names>Н. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Rostova</surname><given-names>N. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Санкт-Петербург.</p></bio><bio xml:lang="en"><p>St. Petersburg.</p></bio><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru">Федеральный исследовательский центр Всероссийский институт генетических ресурсов растений им. Н.И. Вавилова (ВИР)<country>Россия</country></aff><aff xml:lang="en">Federal Research Center the N.I. Vavilov All-Russian Institute of Plant Genetic Resources (VIR)<country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru">Санкт-Петербургский государственный университет<country>Россия</country></aff><aff xml:lang="en">St. Petersburg State University<country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2019</year></pub-date><pub-date pub-type="epub"><day>10</day><month>10</month><year>2019</year></pub-date><volume>23</volume><issue>6</issue><fpage>708</fpage><lpage>716</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Бурляева М.О., Ростова Н.С., 2019</copyright-statement><copyright-year>2019</copyright-year><copyright-holder xml:lang="ru">Бурляева М.О., Ростова Н.С.</copyright-holder><copyright-holder xml:lang="en">Burlyaeva M.O., Rostova N.S.</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/2261">https://vavilov.elpub.ru/jour/article/view/2261</self-uri><abstract><p>Высокая урожайность семян, зеленой массы, зеленых бобов – основная цель селекции  сои во многих странах. Оценка  связей  между признаками продуктивности и их влияние  на урожайность полезны  при  разработке  эффективных программ по возделыванию культуры. У сои тип роста стебля и характер  ветвления взаимосвязаны с продуктивностью растения  и в большинстве случаев определяют ее. Проведено изучение изменчивости уровня  (силы) и структуры корреляций 92 морфологических, фенологических,  биохимических, хозяйственных  признаков у образцов сои с разным  типом роста и различным  характером ветвления в контрастных погодных условиях. 270 образцов сои разного  эколого-географического происхождения из коллекции ВИР выращивали три года в Краснодарском крае. Изменчивость корреляционных матриц по силе и структуре связей анализировали c помощью корреляционного и факторного анализа (метода главных компонент) и по методу, разработанному Н.С. Ростовой. Сравнение  уровня  и структуры корреляций показало, что при ухудшении внешних условий увеличиваются сила связей между признаками и различие в структуре корреляционных матриц. Адаптация сои к меняющимся  условиям  происходит  за счет перестроек систем связей,  причем  степень  и направление этих изменений определяются условиями  произрастания и спецификой реакции образцов. В благоприятных  условиях структуры корреляций у сортов сои с разными типом роста  и характером ветвления более  сходны, чем в критических  для развития.  Самый высокий  уровень связей  (R2) между признаками наблюдался  в неблагоприятный для роста  год у полукультурных образцов (с индетерминантным типом роста и большим числом ветвей первого  и второго  порядка). Продуктивность зеленой массы образцов с детерминантным типом роста и числом ветвей более 2 наиболее сильно связана со средней массой ветви; у образцов с индетерминантным типом роста и с 1–2 ветвями  (или без них) она зависит от длины вегетационного периода, средней массы одного листа и числа листьев на растении. У полукультурных образцов с индетерминантным типом роста и множеством  ветвей  первого  и второго  порядка она коррелирует, кроме перечисленных признаков, с числом узлов, длиной междоузлия  и диаметром главного стебля, массой листьев, морфометрическими параметрами семян и их качеством.</p></abstract><trans-abstract xml:lang="en"><p>High yields of seeds,  green  pods  and  green  biomass  is the  main goal of soybean breeding in many  countries. An assessment of relationships between the  productivity traits  and  their  effect  on the  yield may be  useful in developing effective crop cultivation  programs. In soybean,  the stem  growth  habit  and the branching character are interrelated with plant  productivity and  in most  cases determine it. Therefore, the  aim of the  present work was to study  the  variability of the  level (strength) and  the  structure of correlations between 92 morphological, phenological, biochemical,  agronomic traits of soybean accessions  with different  growth  habits,  and  branching characters in different weather conditions. 270 soybean accessions  of different ecological and geographical origin from the VIR collection  have  been  grown  in the  Krasnodar region  within 3 years. Field studies  of the  traits and biochemical  analysis were carried out according to VIR guidelines. The variability of correlation  matrices as regards the  strength and  structure of relationships was analyzed  using the  correlation  and  factor analysis (the principal component method), as well as the method developed by N.S. Rostova. A comparison of the level (R2, coefficient of determination) and  structure of correlations in different  years has  shown  that  the  deterioration of external conditions is followed by an increase  in the strength of relationships (R2) between the traits and in the difference between correlation   matrices’ structure. Soybean  adaptation to  the  changing  conditions occurs  due  to  the rearrangements of relationship systems, whereas  the  degree and direction  of these  changes are determined by the  growing  conditions and  specificity of the  accessions  response. Under favorable  conditions, the  structure of correlations in soybeans with different  growth  habits,  and  branching characters has more  similarity than  in the conditions critical for development. The highest level of relationships (R2) between the traits was observed in the year that was unfavorable for the growth  of the semi-cultivated accessions  (with the indeterminate growth  habit and a large number of branches of the 1st and 2nd order). The green  biomass  productivity of accessions  with the determinate growth  habit and more than two branches is most strongly associated with the branch  weight, while in accessions  with the indeterminate growth  habit and with (or without) 1–2 branches it depends on the growing season  duration,  one leaf weight  and the number of leaves per plant. In the semi-cultivated accessions  (with the indeterminate growth habit and numerous branches of the 1st and 2nd order), it correlates, besides the listed traits, with the number of nodes, the internode length, the main stem diameter, the weight of leaves, seed morphometric parameters and their quality.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>соя</kwd><kwd>генетические ресурсы</kwd><kwd>тип роста</kwd><kwd>изменчивость</kwd><kwd>корреляции</kwd><kwd>многомерный анализ</kwd></kwd-group><kwd-group xml:lang="en"><kwd>soybean</kwd><kwd>genetic resources</kwd><kwd>growth habit</kwd><kwd>variability</kwd><kwd>correlations</kwd><kwd>multidimensional analysis</kwd></kwd-group><funding-group xml:lang="en"><funding-statement>The work was carried out according to the Thematic Plan of VIR in the framework of the state assignment No. 0662-2019-0002.</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">Aditya J.P., Bhartiya P., Bhartiya A. 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