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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">zhros</journal-id><journal-title-group><journal-title xml:lang="ru">Зерновое хозяйство России</journal-title><trans-title-group xml:lang="en"><trans-title>Grain Economy of Russia</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2079-8725</issn><issn pub-type="epub">2079-8733</issn><publisher><publisher-name>Федеральное государственное бюджетное научное учреждение "Аграрный научный центр "Донской»</publisher-name></publisher></journal-meta><article-meta><article-id custom-type="elpub" pub-id-type="custom">zhros-319</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>РАСТЕНИЕВОДСТВО И СЕЛЕКЦИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>PLANT-GROWING AND PLANT-BREEDING</subject></subj-group></article-categories><title-group><article-title>СТРУКТУРА УРОЖАЯ СЕЛЕКЦИОННЫХ ОБРАЗЦОВ РИСА И ЕЕ ВЛИЯНИЕ НА ПРОДУКТИВНОСТЬ</article-title><trans-title-group xml:lang="en"><trans-title>THE STRUCTURE OF YIELD OF RICE BREEDING SAMPLES AND ITS EFFECT ON PRODUCTIVITY</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>Костылев</surname><given-names>П. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Kostylev</surname><given-names>P. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Доктор сельскохозяйственных наук, профессор</p><p>347740, Ростовская область, г. Зерноград, Научный городок, 3</p></bio><bio xml:lang="en"><p>Doctor of Agricultural Sciences, professor  </p><p>347740, Rostov region, Zernograd, Nauchny Gorodok, 3</p></bio><email xlink:type="simple">p-kostylev@mail.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>Краснова</surname><given-names>Е. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Krasnova</surname><given-names>Е. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Кандидат сельскохозяйственных наук</p><p>347740, Ростовская область, г. Зерноград, Научный городок, 3</p></bio><bio xml:lang="en"><p>Candidate of Agricultural Sciences</p><p>347740, Rostov region, Zernograd, Nauchny Gorodok, 3</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Редькин</surname><given-names>А. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Redkin</surname><given-names>A. А.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Кандидат сельскохозяйственных наук</p><p>347740, Ростовская область, г. Зерноград, Научный городок, 3</p></bio><bio xml:lang="en"><p>Candidate of Agricultural Sciences</p><p>347740, Rostov region, Zernograd, Nauchny Gorodok, 3</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Костылева</surname><given-names>Л. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Kostylevа</surname><given-names>L. М.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Кандидат сельскохозяйственных наук</p><p>347740, Ростовская область, г. Зерноград, ул. Ленина, 21</p></bio><bio xml:lang="en"><p>Candidate of Agricultural Sciences</p><p>347740, Rostov region, Zernograd, Lenin Str., 21</p></bio><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Аксенова</surname><given-names>А. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Aksenova</surname><given-names>A. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Аспирант</p><p>347740, Ростовская область, г. Зерноград, ул. Ленина, 21</p></bio><bio xml:lang="en"><p>Post graduate student  </p><p>347740, Rostov region, Zernograd, Lenin Str., 21</p></bio><email xlink:type="simple">akuvikova@mail.ru</email><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>ФГБНУ Всероссийский научно-исследовательский институт  зерновых культур имени И.Г. Калиненко</institution><country>Россия</country></aff><aff xml:lang="en"><institution>FSBSI All-Russian Research Institute of Grain Crops after I.G. Kalinenko</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Азово-Черноморский инженерный институт ФГБОУ ВПО ДГАУ</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Azov-Blacksea Engineering Institute FSBEI HPE DSAU</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2016</year></pub-date><pub-date pub-type="epub"><day>02</day><month>06</month><year>2018</year></pub-date><volume>0</volume><issue>1</issue><fpage>13</fpage><lpage>18</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Костылев П.И., Краснова Е.В., Редькин А.А., Костылева Л.М., Аксенова А.В., 2018</copyright-statement><copyright-year>2018</copyright-year><copyright-holder xml:lang="ru">Костылев П.И., Краснова Е.В., Редькин А.А., Костылева Л.М., Аксенова А.В.</copyright-holder><copyright-holder xml:lang="en">Kostylev P.I., Krasnova Е.V., Redkin A.А., Kostylevа L.М., Aksenova A.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.zhros.online/jour/article/view/319">https://www.zhros.online/jour/article/view/319</self-uri><abstract><p>В статье представлены результаты структурного анализа урожайности селекционных образцов риса из контрольного питомника за 2012-2014 гг. Рассмотрены важнейшие показатели – количество продуктивных стеблей на единице площади, число зерен с одной метелки, масса зерновки и метелки, которые определяют биологическую урожайность. Проведен биометрический и статистический анализ 120 образцов риса для анализа связи компонентов структуры с продуктивностью. Построены графики криволинейной зависимости урожайности от элементов ее структуры. Установлено, что при увеличении числа зерен в метелке урожайность сначала растет, достигая максимума, а потом немного снижается. Оптимальные величины признака в 2012 г. находились в классе 100-110 шт., а в 2013 и 2014 гг. – 120-130 шт. Высокую урожайность показывали образцы как с низкой, так и более высокой массой 1000 зерновок. В 2012 году более продуктивными были образцы с массой 1000 зерен 26-27 и 31-32 г, в 2013 году – 24-26 и 33-34 г, в 2014 году – 25-26 и 29-32 г. Выявлена тенденция увеличения урожайности при формировании более крупных метелок. Максимальная урожайность формировалась у образцов с массой зерна с метелки 3,2-3,4 г. Оптимальная густота стеблестоя варьировала по годам: в 2012 году – в пределах 400-450, в 2013 году – 300-340, в 2014 году – 250-300 стеблей на 1 м2 . Таким образом, максимальная урожайность зерна риса формируется тогда, когда элементы ее структуры имеют оптимальные значения.  </p></abstract><trans-abstract xml:lang="en"><p>The article gives the results of the structural analysis of the productivity of rice breeding samples from control seed-plot during the years of 2012-2014. There have been considered such essential features as number of productive stems per unit area, number of seeds per head, mass of grain and head that determine biologic productivity. The biometric and statistical analysis of 120 rice samples has been carried out to analyze the correlation among the components of the structure with productivity. The graphics of curvilinear relation between the productivity and the elements of its structure have been made. It has been determined that the productivity starts to increase through the increase of number of seeds in a head, and achieves its maximum and then slightly reduces. The best amounts of the trait were 100-110 pc in 2012 and 120-130 pc in 2013 and 2014. The samples with low and high 1000-grain weight produced high yields. In 2012 the most productive samples were the samples with 1000-grain weight of 26-27 and 31-32 g; in 2013 with 24-26 and 33-34 g; in 2014 with 25-26 and 29-32 g. The tendency of productivity increase through larger heads has been revealed. The samples with the grain mass pre head of 3,2-3,4 g gave the maximum productivity. The best stem density varied through the years: in 2012 it was 400-450 stems per 1m2; in 2013 it was 300-340 stems per 1m2; in 2014 it was 250-300 stems per 1m2. Thus, the maximum productivity of rice is usually formed when the elements of its structure have the best values.  </p></trans-abstract><kwd-group xml:lang="ru"><kwd>рис</kwd><kwd>образец</kwd><kwd>структура урожая</kwd><kwd>продуктивность</kwd></kwd-group><kwd-group xml:lang="en"><kwd>rice</kwd><kwd>sample</kwd><kwd>structure of yield</kwd><kwd>productivity</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">Лихочвор В.В. Продуктивность и структура урожая озимой пшеницы / В.Н. Лихочвор// Зерно. – 2008. №7. С.24-28.</mixed-citation><mixed-citation xml:lang="en">Likhochvor V.V. Productivity and struct wheat yields / Likhochvor V.V. // Grain. ure of winter – 2008. – №7. – PP. 24-28.</mixed-citation></citation-alternatives></ref><ref id="cit2"><label>2</label><citation-alternatives><mixed-citation xml:lang="ru">Sharma R.S., Choubey S.D. 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