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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">scbook</journal-id><journal-title-group><journal-title xml:lang="ru">Биология растений и садоводство: теория, инновации</journal-title><trans-title-group xml:lang="en"><trans-title>Plant Biology and Horticulture: theory, innovation</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2712-7788</issn><publisher><publisher-name>Federal State Funded Institution of Science “The Labour Red Banner Order Nikitsky Botanical Gardens – National scientific Center of the RAS”</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.25684/2712-7788-2024-1-170-13-25</article-id><article-id custom-type="elpub" pub-id-type="custom">scbook-737</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>ПЛОДОВОДСТВО И ДЕКОРАТИВНОЕ САДОВОДСТВО</subject></subj-group></article-categories><title-group><article-title>Динамика активности ферментов в почках некоторых генотипов рода Ficus на южном берегу Крыма</article-title><trans-title-group xml:lang="en"><trans-title>Enzyme activity dynamics in the buds of some Ficus genus genotypes on the Southern Coast of the Crimea</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>Гребенникова</surname><given-names>О. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Grebennikova</surname><given-names>O. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Оксана Анатольевна Гребенникова </p><p>298648, г. Ялта, пгт Никита, ул. спуск Никитский, 52 </p></bio><email xlink:type="simple">oksanagrebennikova@yandex.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff xml:lang="ru" id="aff-1"><institution>Никитский ботанический сад – Национальный научный центр</institution><country>Russian Federation</country></aff><pub-date pub-type="collection"><year>2024</year></pub-date><pub-date pub-type="epub"><day>03</day><month>05</month><year>2024</year></pub-date><volume>0</volume><issue>1 (170)</issue><fpage>13</fpage><lpage>25</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Гребенникова О.А., 2024</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="ru">Гребенникова О.А.</copyright-holder><copyright-holder xml:lang="en">Grebennikova O.A.</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://scbook.elpub.ru/jour/article/view/737">https://scbook.elpub.ru/jour/article/view/737</self-uri><abstract><p>В почках некоторых генотипов рода Ficus с различной степенью морозостойкости с декабря по март в течение трех лет изучалась активность пероксидазы, каталазы и полифенолоксидазы. Активность пероксидазы определяли спектрофотометрически по скорости реакции окисления бензидина, полифенолоксидазы – колориметрически в присутствии пирокатехина и п-фенилендиамина, каталазы – титриметрическим методом.</p><p>Анализ изменения активности ферментов в холодные периоды трех лет исследования показал, что активность пероксидазы и полифенолоксидазы зависит от конкретных погодных условий года. Каталазная активность выявила видоспецифичность и минимальную зависимость от погодных условий, повышаясь в течение всего холодного периода на протяжении трех лет исследований. При этом динамика активности данных ферментов в почках резистентных и неустойчивых генотипов отличалась. Предполагается участие данных ферментов в реализации защитных механизмов изученных генотипов рода Ficus при низкотемпературном стрессе. На протяжении всего периода исследования, неустойчивые генотипы отличались от резистентного более высокого уровня активности изучаемых ферментов в почках. Показатели активности пероксидазы, каталазы и полифенолоксидазы в почках могут использоваться в качестве биохимических маркеров для оценки уровня морозостойкости генотипов листопадных видов рода Fiсus.</p></abstract><trans-abstract xml:lang="en"><p>The activity of peroxidase, catalase and polyphenol oxidase in the buds of some Ficus genus genotypes with varying degrees of frost resistance from December to March for three years was studied. The activity of peroxidase was determined spectrophotometrically by the rate of benzidine oxidation reaction, polyphenol oxidase – colorimetrically in the presence of pyrocatechol and p-phenylenediamine, catalase – by the titrimetric method.</p><p>Analysis of changes in enzyme activity during the cold periods of the three years of the study showed that the activity of peroxidase and polyphenol oxidase depends on the specific weather conditions of the year. Catalase activity revealed species specificity and minimal dependence on weather conditions, increasing during the entire cold period over the course of three years of research. At the same time, the dynamics of the activity of these enzymes in the buds of resistant and unstable genotypes differed. It is assumed that these enzymes are involved in the implementation of protective mechanisms of the studied genotypes of the genus Ficus under lowtemperature stress. Throughout the entire study period, unstable genotypes differed from resistant genotypes by a higher level of activity of the studied enzymes in the buds. Indicators of the activity of peroxidase, catalase and polyphenoloxidase in the buds can be used as biochemical markers to assess the level of frost resistance of genotypes of deciduous species of the genus Fiсus.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>Ficus L.</kwd><kwd>активность ферментов</kwd><kwd>пероксидаза</kwd><kwd>каталаза</kwd><kwd>полифенолоксидаза</kwd><kwd>морозостойкость</kwd></kwd-group><kwd-group xml:lang="en"><kwd>Ficus L.</kwd><kwd>enzyme activity</kwd><kwd>peroxidase</kwd><kwd>catalase</kwd><kwd>polyphenol oxidase</kwd><kwd>frost resistance</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">Воскресенская О.Л., Алябышева Е.А., Половникова М.Г. Большой практикум по биоэкологии. Йошкар-Ола: МарГУ., 2006. 107 с.</mixed-citation><mixed-citation xml:lang="en">Voskresenskaya O.L., Alyabysheva, E.A., Polovnikova, M.G. Big workshop on bioecology. 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