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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">agronauka</journal-id><journal-title-group><journal-title xml:lang="ru">Аграрная наука Евро-Северо-Востока</journal-title><trans-title-group xml:lang="en"><trans-title>Agricultural Science Euro-North-East</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2072-9081</issn><issn pub-type="epub">2500-1396</issn><publisher><publisher-name>FARC North-East</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.30766/2072-9081.2025.26.5.1026-1037</article-id><article-id custom-type="elpub" pub-id-type="custom">agronauka-2218</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</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>PLANT GROWING</subject></subj-group></article-categories><title-group><article-title>Уровень освещенности как регулятор роста микрорастений картофеля in vitro</article-title><trans-title-group xml:lang="en"><trans-title>Illumination intensity as a growth regulator for potato microplants in vitro</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-4430-2719</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Ступко</surname><given-names>В. Ю.</given-names></name><name name-style="western" xml:lang="en"><surname>Stupko</surname><given-names>V. Yu.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Ступко Валентина Юрьевна, кандидат с.-х. наук, ведущий научный сотрудник лаборатории физиологии и биотехнологии,</p><p>пр-кт Свободный, д. 66, г. Красноярск, 660041,</p><p>stupko@list.ru</p></bio><bio xml:lang="en"><p>Valentina Yu. Stupko, PhD in Agricultural Science, leading researcher, the Laboratory of Physiology and Biotechnology,</p><p>Svobodny prospect, 66, Krasnoyarsk,  660041</p></bio><email xlink:type="simple">fic@ksc.krasn.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/0000-0003-4185-9455</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Луговцова</surname><given-names>С. Ю.</given-names></name><name name-style="western" xml:lang="en"><surname>Lugovtsova</surname><given-names>S. Yu.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Луговцова Светлана Юрьевна, старший научный сотрудник лаборатории физиологии и биотехнологии,</p><p>пр-кт Свободный, д. 66, г. Красноярск, 660041</p></bio><bio xml:lang="en"><p>Svetlana Yu. Lugovtsova, senior researcher, the Laboratory of Physiology and Biotechnology,</p><p>Svobodny prospect, 66, Krasnoyarsk, 660041</p></bio><email xlink:type="simple">fic@ksc.krasn.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-8977-6523</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Помыткин</surname><given-names>Н. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Pomytkin</surname><given-names>N. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Помыткин Николай Сергеевич, младший научный сотрудник лаборатории физиологии и биотехнологии,</p><p>пр-кт Свободный, д. 66, г. Красноярск, 660041</p></bio><bio xml:lang="en"><p>Nikolay S. Pomytkin, junior researcher, the Laboratory of Physiology and Biotechnology,</p><p>Svobodny prospect, 66, Krasnoyarsk, 660041</p></bio><email xlink:type="simple">fic@ksc.krasn.ru</email><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0000-8915-912X</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Кукушкина</surname><given-names>К. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Kukushkina</surname><given-names>K. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Кукушкина Кристина Владимировна, младший научный сотрудник лаборатории физиологии и биотехнологии,</p><p>пр-кт Свободный, д. 66, г. Красноярск, 660041</p></bio><bio xml:lang="en"><p>Kristina V. Kukushkina, junior researcher, the Laboratory of Physiology and Biotechnology, </p><p>Svobodny prospect, 66, Krasnoyarsk, 660041</p></bio><email xlink:type="simple">fic@ksc.krasn.ru</email><xref ref-type="aff" rid="aff-4"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-8070-0661</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Черемисин</surname><given-names>А. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Cheremisin</surname><given-names>A. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Черемисин Александр Иванович, кандидат с.-х. наук, заведующий отделом картофеля, заведующий лабораторией семеноводства картофеля,</p><p>пр-кт Королёва, д. 28, г. Омск, 644012</p></bio><bio xml:lang="en"><p>Alexander I. Cheremisin, PhD in Agricultural Science, Head of the Potato Department, Head of the Laboratory of Potato Seed Production,</p><p>Korolev prospect, 26, Omsk, 644012</p></bio><email xlink:type="simple">biocentr@bk.ru</email><xref ref-type="aff" rid="aff-5"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Красноярский научно-исследовательский институт сельского хозяйства – обособленное подразделение ФГБНУ «Федеральный исследовательский центр «Красноярский научный центр Сибирского отделения Российской академии наук»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Federal Research Center “Krasnoyarsk Science Center of the Siberian Branch of the Russian Academy of Sciences”, Krasnoyarsk Research Institute of Agriculture</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Красноярский научно-исследовательский институт сельского хозяйства – обособленное подразделение ФГБНУ «Федеральный исследовательский центр «Красноярский научный центр Сибирского отделения Российской академии наук»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Federal Research Center “Krasnoyarsk Science Center of the Siberian Branch of the Russian Academy of Sciences”, Krasnoyarsk&#13;
Research Institute of Agriculture</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>Красноярский научно-исследовательский институт сельского хозяйства – обособленное подразделение ФГБНУ «Федеральный исследовательский центр «Красноярский научный центр Сибирского отделения Российской академии наук»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Federal Research Center “Krasnoyarsk Science Center of the Siberian Branch of the Russian Academy of Sciences”, Krasnoyarsk Research Institute of Agriculture</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-4"><aff xml:lang="ru"><institution>Красноярский научно-исследовательский институт сельского хозяйства – обособленное подразделение ФГБНУ «Федеральный исследовательский центр «Красноярский научный центр Сибирского отделения Российской академии наук»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Federal Research Center “Krasnoyarsk Science Center of the Siberian Branch of the Russian Academy of Sciences”, Krasnoyarsk&#13;
Research Institute of Agriculture</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-5"><aff xml:lang="ru"><institution>ФГБНУ «Омский аграрный научный центр»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Federal State Budgetary Scientific Institution “Omsk Agricultural Scientific Center”</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2025</year></pub-date><pub-date pub-type="epub"><day>06</day><month>11</month><year>2025</year></pub-date><volume>26</volume><issue>5</issue><fpage>1026</fpage><lpage>1037</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Ступко В.Ю., Луговцова С.Ю., Помыткин Н.С., Кукушкина К.В., Черемисин А.И., 2025</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="ru">Ступко В.Ю., Луговцова С.Ю., Помыткин Н.С., Кукушкина К.В., Черемисин А.И.</copyright-holder><copyright-holder xml:lang="en">Stupko V.Y., Lugovtsova S.Y., Pomytkin N.S., Kukushkina K.V., Cheremisin A.I.</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.agronauka-sv.ru/jour/article/view/2218">https://www.agronauka-sv.ru/jour/article/view/2218</self-uri><abstract><p>Цель исследований – определить влияние увеличения плотности потока фотосинтетически активных фотонов (ППФАФ) со 100 до 200 мкмоль/м2с на рост, развитие и морфогенез in vitro одноузловых микрочеренков картофеля сортов Краса Мещеры, Садон (ФГБНУ ФИЦ картофеля им. А. Г. Лорха), Былина Сибири, Иртыш (Омский АНЦ). Увеличение ППФАФ сопровождалось укорачиванием побегов на 12–32 % в зависимости от сорта и уменьшением числа междоузлий у всех сортов минимум на 10 %. Наблюдали перераспределение накопления биомассы в сторону корневой системы у всех сортов, кроме Иртыш. Сорта селекции ФИЦ картофеля им. А. Г. Лорха формировали более плотные листья. У сорта Иртыш отмечено снижение содержания хлорофиллов и каротиноидов, у сорта Краса Мещеры – увеличение. Площадь четвертого листа была максимальной у этих сортов при 200 мкмоль/м2с. Увеличивалась устойчивость цепи передачи электронов фотосистемы 2 к высокой ППФАФ, что видно из роста параметров флуоресценции хлорофилла А: максимальной скорости транспорта электронов и минимальной насыщающей интенсивности света, а также динамики быстрых световых кривых фотохимического тушения флуоресценции. Только у сорта Краса Мещеры наблюдали снижение Fv/Fm. К сортоспецифичным реакциям также отнесены: сокращение доли растений с ветвлением у сорта Иртыш; увеличение частоты образования каллусных глобул в корневой зоне и эдем на листьях и побегах у сортов омской селекции; формирование микроклубней в пазухе инициирующего черенка у сорта Краса Мещеры. Таким образом, увеличение ППФАФ до 200 мкмоль/м2с у большинства исследованных сортов приводит к формированию более подходящих растений для высадки в грунт или условия аэропонных/гидропонных установок: невысокие, с хорошо развитой корневой системой, большей площадью листьев и адаптированностью фотосистем к высокой интенсивности света. Исключением является сорт Краса Мещеры, в том числе из-за чрезмерно коротких побегов (от 2 до 36 мм). Для микроклонального размножения более подходящим является уровень ППФАФ 100 мкмоль/м2с, за исключением сорта Иртыш из-за увеличивающейся в этих условиях частоты ветвления.</p></abstract><trans-abstract xml:lang="en"><p>The aim of the study is the determination of the effect of increasing the photosynthetic photon flux density (PPFD) from 100 to 200 μmol/m2s on the in vitro growth, development and morphogenesis of single-node cuttings of potatoes of different cultivars. The following cultivars were involved into the investigation: ‘Krasa Meshchery’, ‘Sadon’ (Lorkh Federal Research Center of Potato), ‘Bylina Sibiri’, ‘Irtysh’ (Omsk Agricultural Scientific Center). The increase in PPFD was accompanied by a shortening of shoots by 12–32 %, depending on the cultivar, and a decrease in the number of internodes for all varieties by at least 10 %. A redistribution of biomass accumulation towards the root system was observed for all cultivars except the ‘Irtysh’ cultivar. The cultivars bred by the Lorkh Federal Research Center of Potato formed firm leaves. The ‘Irtysh’ cultivar showed a decrease in the content of chlorophylls and carotenoids, while the ‘Krasa Meshchery’ cultivar showed an increase. The area of the 4th leaf of these cultivars was maximum at 200 μmol/m2s. The stability of the electron transport chain of photosystem 2 to high PPFD increased, which is evident from the growth of chlorophyll A fluorescence parameters: maximum electron transport rate and minimum saturating light intensity, as well as the dynamics of rapid light curves of photochemical fluorescence quenching. Only the ‘Krasa Meshchery’ cultivar showed a decrease in Fv/Fm. Cultivar-specific reactions also included: a decrease in the proportion of plants with bushiness of the ‘Irtysh’ cultivar; an increase in the frequency of callus globule formation in the root zone and edema on leaves and shoots of Omsk-bred cultivars; and the formation of microtubers in the axil of the initiating cutting of the ‘Krasa Meshchery’ cultivar. Thus, increasing the PPFD to 200 μmol/m2s leads to the formation, for most of the studied cultivars, of plants that are more suitable for planting in soil or aeroponic/hydroponic conditions: low, with a well-developed root system, a larger leaf area and photosystems adapted to high light intensity. The exception is the cultivar ‘Krasa Meshchery’ due to the excessively short shoots (from 2 to 36 mm). For micropropagation, PPFD of 100 μmol/m2s is more suitable, with the exception of the cultivar ‘Irtysh’ due to the frequency of bushiness increasing under these conditions.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>микроклональное размножение</kwd><kwd>Solanum tuberosum</kwd><kwd>культура межузловых черенков</kwd><kwd>освещенность</kwd><kwd>быстрые световые кривые</kwd><kwd>пигменты фотосинтеза</kwd></kwd-group><kwd-group xml:lang="en"><kwd>micropropagation</kwd><kwd>Solanum tuberosum</kwd><kwd>nodal cuttings culture</kwd><kwd>irradiance</kwd><kwd>rapid light curves</kwd><kwd>photosynthetic pigments</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Работа выполнена при поддержке Минобрнауки РФ в рамках Государственного задания ФГБНУ «Федеральный исследовательский центр «Красноярский научный центр Сибирского отделения Российской академии наук» (тема № 123071800021-5).</funding-statement><funding-statement xml:lang="en">The research was carried out under the support of the Ministry of Science and Higher Education of the Russian Federation within the state assignment of Federal Research Center “Krasnoyarsk Science Center of the Siberian Branch of the Russian Academy of Sciences” (theme no. 123071800021-5).</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">Wolf S., Kalman-Rotem N., Yakir D., Ziv M. 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