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<article 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" xmlns:ali="http://www.niso.org/schemas/ali/1.0/" article-type="other" dtd-version="1.2" xml:lang="en"><front><journal-meta><journal-id journal-id-type="publisher-id">Biology Bulletin</journal-id><journal-title-group><journal-title xml:lang="en">Biology Bulletin</journal-title><trans-title-group xml:lang="ru"><trans-title>Известия Российской академии наук. Серия биологическая</trans-title></trans-title-group></journal-title-group><issn publication-format="print">1026-3470</issn><issn publication-format="electronic">3034-5367</issn><publisher><publisher-name xml:lang="en">The Russian Academy of Sciences</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">647736</article-id><article-id pub-id-type="doi">10.31857/S1026347022700019</article-id><article-id pub-id-type="edn">GZWLXU</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>ECOLOGY</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>ЭКОЛОГИЯ</subject></subj-group><subj-group subj-group-type="article-type"><subject></subject></subj-group></article-categories><title-group><article-title xml:lang="en">Morpho-Physiological Determinants of Potato Yield Formation under Conditions of Moisture Deficiency and High Temperatures</article-title><trans-title-group xml:lang="ru"><trans-title>Морфо-физиологические детерминанты формирования урожая картофеля в условиях дефицита почвенной влаги</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Bakunov</surname><given-names>A. L.</given-names></name><name xml:lang="ru"><surname>Бакунов</surname><given-names>А. Л.</given-names></name></name-alternatives><email>olgarozen55@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Dmitrieva</surname><given-names>N. N.</given-names></name><name xml:lang="ru"><surname>Дмитриева</surname><given-names>Н. Н.</given-names></name></name-alternatives><email>olgarozen55@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Rubtsov</surname><given-names>S. L.</given-names></name><name xml:lang="ru"><surname>Рубцов</surname><given-names>С. Л.</given-names></name></name-alternatives><email>olgarozen55@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Milekhin</surname><given-names>A. V.</given-names></name><name xml:lang="ru"><surname>Милехин</surname><given-names>А. В.</given-names></name></name-alternatives><email>olgarozen55@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Nesterov</surname><given-names>V. N.</given-names></name><name xml:lang="ru"><surname>Нестеров</surname><given-names>В. Н.</given-names></name></name-alternatives><email>olgarozen55@mail.ru</email><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Bogdanova</surname><given-names>E. S.</given-names></name><name xml:lang="ru"><surname>Богданова</surname><given-names>Е. С.</given-names></name></name-alternatives><email>olgarozen55@mail.ru</email><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Rozentsvet</surname><given-names>O. A.</given-names></name><name xml:lang="ru"><surname>Розенцвет</surname><given-names>О. А.</given-names></name></name-alternatives><email>olgarozen55@mail.ru</email><xref ref-type="aff" rid="aff2"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Samara Federal Research Scientific Center RAS, Samara Scientific Research Agriculture Institute named 
after N.M. Tulajkov</institution></aff><aff><institution xml:lang="ru">Самарский ФИНЦ РАН НИИ сельского хозяйства им. Н.М. Тулайкова</institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">Samara Federal Research Scientific Center RAS, Institute of Ecology of the Volga River Basin RAS</institution></aff><aff><institution xml:lang="ru">Самарский ФИНЦ РАН, Институт экологии Волжского бассейна РАН</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2023-05-01" publication-format="electronic"><day>01</day><month>05</month><year>2023</year></pub-date><issue>3</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>321</fpage><lpage>331</lpage><history><date date-type="received" iso-8601-date="2025-01-28"><day>28</day><month>01</month><year>2025</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2023, А.Л. Бакунов, Н.Н. Дмитриева, С.Л. Рубцов, А.В. Милехин, В.Н. Нестеров, Е.С. Богданова, О.А. Розенцвет</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2023, А.Л. Бакунов, Н.Н. Дмитриева, С.Л. Рубцов, А.В. Милехин, В.Н. Нестеров, Е.С. Богданова, О.А. Розенцвет</copyright-statement><copyright-year>2023</copyright-year><copyright-holder xml:lang="en">А.Л. Бакунов, Н.Н. Дмитриева, С.Л. Рубцов, А.В. Милехин, В.Н. Нестеров, Е.С. Богданова, О.А. Розенцвет</copyright-holder><copyright-holder xml:lang="ru">А.Л. Бакунов, Н.Н. Дмитриева, С.Л. Рубцов, А.В. Милехин, В.Н. Нестеров, Е.С. Богданова, О.А. Розенцвет</copyright-holder></permissions><self-uri xlink:href="https://medjrf.com/1026-3470/article/view/647736">https://medjrf.com/1026-3470/article/view/647736</self-uri><abstract xml:lang="en"><p id="idm45181323261312">Morphological and physiological parameters of leaves and tubers of 22 varieties of potato (<italic>Solanum tuberosum</italic>) were investigated. Discriminant analysis found that stomata size (12%), chlorophyll content (10%), number of tubers (29%), and average tuber weight (21%) determined the gradation of plants by yield. The specific surface density of leaves (38%), the content of chlorophyll (13%) and carotenoids (13%), and leaf area (12%) made the greatest contribution to discrimination in relation to ecological plasticity. It is concluded that the number of stomata per unit area of the leaf, the specific surface density of the leaf and the content of photosynthetic pigments are the key characteristics that contribute to both high yield and adaptive capacity of potatoes.</p></abstract><trans-abstract xml:lang="ru"><p id="idm45181323259744">Исследован вклад морфо-физиологических параметров листьев и клубней 22 сортов картофеля (<italic>Solanum tuberosum</italic> L.) в формирование урожайности в условиях недостаточного увлажнения почвы и высоких температур воздуха. Дискриминантным анализом установлено, что размеры устьиц (12%), содержание хлорофилла (10%), количество клубней (29%) и средний вес клубня (21%) определяли градацию растений по урожайности. Наибольший вклад в дискриминацию по отношению к экологической пластичности вносят такие параметры как удельная поверхностная плотность листьев (38%), содержание хлорофилла (13%), каротиноидов (13%) и площадь листа (12%). Ключевыми характеристиками, определяющими высокую урожайность и адаптационную способность картофеля, являются число устьиц в единице площади листа, удельная поверхностная плотность листа и содержание фотосинтетических пигментов.</p></trans-abstract><kwd-group xml:lang="en"><kwd><italic>Solanum tuberosum</italic> L.</kwd><kwd>leaf area</kwd><kwd>productivity</kwd><kwd>stomata</kwd><kwd>chlorophyll</kwd><kwd>ecological plasticity</kwd></kwd-group><kwd-group xml:lang="ru"><kwd><italic>Solanum tuberosum</italic> L.</kwd><kwd>площадь листа</kwd><kwd>урожайность</kwd><kwd>устьица</kwd><kwd>хлорофилл</kwd><kwd>экологическая пластичность</kwd></kwd-group></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Бакунов А.Л., Милехин А.В., Рубцов С.Л., Шевченко С.Л. Содержание фотосинтетических пигментов как косвенный признак устойчивости сортов картофеля к высоким температурам воздуха и недостаточному увлажнению // Изв. 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