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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/VJ15.040</article-id><article-id custom-type="elpub" pub-id-type="custom">vavilov-413</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>БИОТЕХНОЛОГИЯ МИКРООРГАНИЗМОВ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>Plant genetics and breeding</subject></subj-group></article-categories><title-group><article-title>Пребридинговые исследования почти изогенных линий яровой мягкой пшеницы с комбинацией транслокаций от Agropyron elongatum (Host.) Р.В. и Aegilops ventricosa Tausch</article-title><trans-title-group xml:lang="en"><trans-title>Prebreeding research of near-isogenic lines of spring bread wheat with a combination of translocations from Agropyron elongatum (Host.) Р.В. and Aegilops ventricosa Tausch.</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>Сибикеев</surname><given-names>С. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Sibikeev</surname><given-names>S. N.</given-names></name></name-alternatives><email xlink:type="simple">sibikeev_sergey@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>Дружин</surname><given-names>А. Е.</given-names></name><name name-style="western" xml:lang="en"><surname>Druzhin</surname><given-names>A. E.</given-names></name></name-alternatives><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru">Федеральное государственное бюджетное научное учреждение Научно-исследовательский институт сельского хозяйства Юго-Востока, Саратов, Россия<country>Россия</country></aff><aff xml:lang="en">Agricultural Research Institute for South-East Regions of Russia, Saratov, Russia<country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2015</year></pub-date><pub-date pub-type="epub"><day>29</day><month>11</month><year>2015</year></pub-date><volume>19</volume><issue>3</issue><fpage>310</fpage><lpage>315</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Сибикеев С.Н., Дружин А.Е., 2015</copyright-statement><copyright-year>2015</copyright-year><copyright-holder xml:lang="ru">Сибикеев С.Н., Дружин А.Е.</copyright-holder><copyright-holder xml:lang="en">Sibikeev S.N., Druzhin A.E.</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/413">https://vavilov.elpub.ru/jour/article/view/413</self-uri><abstract><p>Для защиты мягкой пшеницы от патогенов, и в первую очередь от ржавчинных болезней, широко привлекают интрогрессивные гены устойчивости, локализованные в чужеродных транслокациях. Для использования их в практической селекции необходимы пребридинговые исследования, которые определяют влияние транслокаций на адаптационные свойства растений, элементы продуктивности, урожайности зерна и качества конечной продукции. С целью решения этих задач изучались почти изогенные линии Л653 и Л654 сорта яровой мягкой пшеницы Добрыня, устойчивые к листовой ржавчине и несущие комбинацию транслокаций T7DS • 7 DL-7Ae#1L + T2AL • 2AS‑2MV#1 с генами Lr19/Sr25 от Agropyron elongatum (Host.) P.B. и Lr37/ Sr38/ Yr17 от Aegilops ventricosa Tausch. В качестве контролей использовали сорт-реципиент Добрыня и сорт-стандарт Фаворит. Фитопатологические тесты показали, что Л653 и Л654 высокоустойчивы к Puccinia triticina и к расе Ug99 + Lr24 (TTKST) Puccinia graminis, но умеренно восприимчивы к саратовской популяции патогена. Пребридинговые исследования линий Л653 и Л654 выявили, что комбинация транслокаций T7DS • 7 DL-7Ae#1L + T2AL • 2AS-2MV#1: 1) увеличиваетпродолжительность периода всходы – колошение на 7 дней и высоту растений в среднем на 10 см; 2) не влияет на устойчивость к полеганию, массу 1000 семян и продуктивность зерна как в засушливые годы, так и в годы с эпифитотией листовой ржавчины; 3) уменьшает адаптивность растений к резко меняющимся условиям вегетации; 4) уменьшает количество клейковины, не изменяя ее силу, при этом не влияет на показатели упругости теста, отношение упругости теста к растяжимости, силу муки, объем и пористость хлебцев. Таким образом, комбинация транслокаций T7DS • 7 DL-7Ae#1L + T2AL • 2AS-2MV#1 в генотипе сорта яровой мягкой пшеницы Добрыня определяет высокую устойчивость к листовой ржавчине и расе Ug99 + Lr24 (TTKST) стеблевой ржавчины и нейтральна в отношении комплекса агрономических показателей.</p></abstract><trans-abstract xml:lang="en"><p>To protect bread wheat from pathogens and, in particular, rust diseases, introgressive resistance genes located in alien translocations are commonly used. However, their application in practical breeding demands prebreeding studies. They reveal effects of translocations on the adaptive properties of plants, performance indices, yield, and the quality of the final product. For this purpose, we studied the L653 and L654 near-isogenic lines of spring bread wheat cultivar Dobrynya, resistant to leaf rust and carrying the combination of translocations 7DS • 7 DL-7Ae#1L + 2AL • 2AS-2MV#1, which host genes Lr19/Sr25 from Agropyron elongatum (Host.) P. B. and Lr37/Sr38/ Yr17 from Aegilops ventricosa Tausch. The recipient cv. Dobrynya and standard cv. Favorite were used as references. Phytopathological tests showed that L653 and L654 were highly resistant to Puccinia triticina at all stages of plant development and to Puccinia graminis race Ug99 + Lr24 (TTKST), but they were moderately susceptible to the Saratov population of this pathogen. The prebreeding research of lines L653 and L654 showed that the combination of 7 DS • 7 DL-7Ae#1L + 2AL • 2AS-2MV#1 translocations: (1) prolonged the seedling emergence –heading time by 7 days and increased the mean plant height by 10 cm; (2) did not affect lodging resistance or 1000 kernel weight; (3) affected grain yield in neither drought years nor years of leaf rust outbreaks; (4) reduced plant adaptation to abrupt vegetation condition changes; (5) reduced gluten amount without affecting its strength, dough tenacity, tenacity : extensibility ratio, flour strength, bread volume, or bread porosity. Thus, the combination of 7DS • 7 DL-7Ae#1L + 2AL • 2AS-2MV#1 translocations in the genotype of spring bread wheat cv. Dobrynya determines high resistance to leaf rust and stem rust race Ug99 + Lr24 (TTKST), being neutral with regard to agronomic performance indices.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>почти изогенные линии мягкой пшеницы</kwd><kwd>комбинация транслокаций T7DS • 7 DL-7Ae#1L + T2AL • 2AS-2MV#1</kwd><kwd>устойчивость к листовой ржавчине</kwd><kwd>пребридинговые исследования агрономических показателей</kwd></kwd-group><kwd-group xml:lang="en"><kwd>near-isogenic lines of bread wheat</kwd><kwd>combination of 7DS • 7 DL-7Ae#1L + 2AL • 2AS-2MV#1 translocations</kwd><kwd>high leaf rust resistance</kwd><kwd>prebreeding study of agronomic traits</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">Абдряев М.Р. Селекционная ценность интрогрессивных линий яровой мягкой пшеницы в Поволжье: Автореф. дис. … канд. с.-х. наук. 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