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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">biob</journal-id><journal-title-group><journal-title xml:lang="ru">Биобезопасность и Биотехнология</journal-title><trans-title-group xml:lang="en"><trans-title>Biosafety and Biotechnology</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2707-7241</issn><issn pub-type="epub">2957-5702</issn><publisher><publisher-name>Научно-исследовательский институт проблем биологической безопасности</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.58318/2957-5702-2026-25-24-31</article-id><article-id custom-type="elpub" pub-id-type="custom">biob-226</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>СТАТЬИ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>Articles</subject></subj-group></article-categories><title-group><article-title>Выявление источников устойчивости озимой пшеницы к видам ржавчины в условиях искусственного инфекционного фона</article-title><trans-title-group xml:lang="en"><trans-title>Identification of Sources of Resistance in Winter Wheat to Rust Species Under Artificial Infectious Background Conditions</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-9535-2997</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Мауленбай</surname><given-names>А. Д.</given-names></name><name name-style="western" xml:lang="en"><surname>Maulenbay</surname><given-names>A. D.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Мәуленбай Ақерке Дәулетқызы, магистр естественных наук, и.о. заведующего лабораторией, </p><p>пгт. Гвардейский.</p></bio><bio xml:lang="en"><p>Guardeyskiy.</p></bio><email xlink:type="simple">a.maulenbay@biosafety.kz</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-3189-9322</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Ыскакова</surname><given-names>Г. Ш.</given-names></name><name name-style="western" xml:lang="en"><surname>Yskakova</surname><given-names>G. Sh.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Ысқақова Гулбахар Шахзидақызы, магистр естественных наук,</p><p>пгт. Гвардейский.</p></bio><bio xml:lang="en"><p>Guardeyskiy.</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-9921-6076</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Рсалиев</surname><given-names>А. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Rsaliyev</surname><given-names>A. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Рсалиев Аралбек Сырашович, кандидат сельскохозяйственных наук, профессор, главный научный сотрудник,</p><p>пгт. Гвардейский.</p></bio><bio xml:lang="en"><p>Guardeyskiy.</p></bio><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru">ТОО «Научно-исследовательский институт проблем биологической безопасности», Национальный холдинг «QazBioPharm»<country>Казахстан</country></aff><aff xml:lang="en">LLP «Research Institute for Biological Safety Problems», National holding «QazBioPharm»<country>Kazakhstan</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2026</year></pub-date><pub-date pub-type="epub"><day>17</day><month>05</month><year>2026</year></pub-date><volume>0</volume><issue>25</issue><fpage>24</fpage><lpage>31</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Мауленбай А.Д., Ыскакова Г.Ш., Рсалиев А.С., 2026</copyright-statement><copyright-year>2026</copyright-year><copyright-holder xml:lang="ru">Мауленбай А.Д., Ыскакова Г.Ш., Рсалиев А.С.</copyright-holder><copyright-holder xml:lang="en">Maulenbay A.D., Yskakova G.S., Rsaliyev A.S.</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://journal.biosafety.kz/jour/article/view/226">https://journal.biosafety.kz/jour/article/view/226</self-uri><abstract><p>В данной работе представлены результаты комплексной оценки устойчивости сортообразцов озимой мягкой пшеницы к видам ржавчины в условиях искусственно созданного инфекционного фона в южном регионе Казахстана. Исследования проведены в 2021 году на базе Научно-исследовательского института проблем биологической безопасности. Объектами изучения являлись сорта Центральной Азии и Закавказья, а также коллекционные образцы международных питомников 27FAWWON-SA и 27FAWWON-IR.</p><p>Оценка устойчивости проводилась по ряду фитопатологических показателей, включая степень поражения, тип реакции, площадь под кривой развития болезни и коэффициент инфекции. В ходе исследований установлено, что на искусственном инфекционном фоне наблюдается значительная дифференциация сортообразцов по уровню устойчивости к стеблевой, листовой и желтой ржавчине. Максимальная степень поражения восприимчивых образцов достигала 60–80 %, тогда как у устойчивых форм данный показатель не превышал 10–20 %. Погодные условия вегетационного периода способствовали слабому развитию жёлтой ржавчины. Зарубежные образцы показали более высокую устойчивость по сравнению с сортами Центральной Азии. В питомнике 27FAWWON-IR доля устойчивых к стеблевой ржавчине достигла 72,1 %. Выявлено 125 сортообразцов с комплексной устойчивостью к трём видам ржавчины. Применение искусственного инфекционного фона подтвердило свою эффективность для объективного фитопатологического скрининга. Выделенные образцы представляют значительный интерес для селекционной практики и перспективны в качестве доноров устойчивости при создании новых высокопродуктивных сортов озимой пшеницы, адаптированных к условиям Казахстана.</p></abstract><trans-abstract xml:lang="en"><p>This paper presents the results of a comprehensive assessment of the resistance of winter soft wheat varieties and accessions to rust species under artificially created infectious background conditions in the southern region of Kazakhstan. The research was conducted in 2021 at the Research Institute for Biological Safety Problems. The objects of the study were varieties from Central Asia and</p><p>Transcaucasia, as well as collection accessions from the international nurseries 27FAWWON-SA and 27FAWWON-IR. Resistance assessment was carried out based on a range of phytopathological parameters, including disease severity, infection type, area under the disease progress curve, and the coefficient of infection. The studies established that under an artificial infectious background, a significant differentiation of accessions by the level of resistance to stem, leaf, and yellow rust is observed. The maximum disease severity in susceptible accessions reached 60-80%, while in resistant forms this indicator did not exceed 10-20%. Weather conditions during the growing season influenced the development of yellow rust, whose severity remained low in most cases. The results showed that foreign accessions possess a higher level of resistance compared to varieties from CA&amp;T. Specifically, the proportion of forms resistant to stem rust in the 27FAWWON-IR nursery reached 72.1%. Overall, 125 accessions with complex resistance to all three rust species were identified. It was established that the use of an artificial infectious background is an effective and reliable method for phytopathological screening, providing an objective evaluation of genotypes. The identified accessions are of significant interest for breeding practice and can be used as donors of resistance in the development of new high-yielding winter wheat varieties adapted to the conditions of Kazakhstan.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>стеблевая ржавчина</kwd><kwd>листовая ржавчина</kwd><kwd>желтая ржавчина</kwd><kwd>озимая пшеница</kwd><kwd>СИММИТ</kwd></kwd-group><kwd-group xml:lang="en"><kwd>stem rust</kwd><kwd>leaf rust</kwd><kwd>yellow rust</kwd><kwd>winter wheat</kwd><kwd>CIMMYT</kwd></kwd-group><funding-group xml:lang="en"><funding-statement>This research has been funded by the Ministry of Agriculture of the Republic of  Kazakhstan BR24892821 “Breeding, seed production of grain crops to increase the potential of productivity, quality, stress resistance in various soil-climatic zones of Kazakhstan”.</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">Койшыбаев М. 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