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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">boolt</journal-id><journal-title-group><journal-title xml:lang="ru">Бюллетень Государственного Никитского ботанического сада</journal-title><trans-title-group xml:lang="en"><trans-title>Bulletin of the State Nikitsky Botanical Gardens</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">0513-1634</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">10.25684/0513-1634-2023-148-36-42</article-id><article-id custom-type="elpub" pub-id-type="custom">boolt-750</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>ЮЖНОЕ ПЛОДОВОДСТВО</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>SOUTHERN HORTICULTURE</subject></subj-group></article-categories><title-group><article-title>СТАДИЯ МЕЙОЗА В ПЫЛЬЦЕВЫХ ЗЁРНАХ АБРИКОСА КАК БИОМАРКЕР ОКОНЧАНИЯ ПЕРИОДА ПОКОЯ</article-title><trans-title-group xml:lang="en"><trans-title>Meiosis stage in apricot pollen grains as a biomarker of the end of the dormant period</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>Корзин</surname><given-names>В. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Korzin</surname><given-names>V. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Вадим Валерьевич Корзин</p><p>298648, Республика Крым, Ялта, пгт. Никита, спуск Никитский, 52</p></bio><email xlink:type="simple">korzinv@rambler.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>2023</year></pub-date><pub-date pub-type="epub"><day>26</day><month>01</month><year>2024</year></pub-date><volume>0</volume><issue>148</issue><fpage>36</fpage><lpage>42</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Корзин В.В., 2024</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="ru">Корзин В.В.</copyright-holder><copyright-holder xml:lang="en">Korzin V.V.</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://boolt.elpub.ru/jour/article/view/750">https://boolt.elpub.ru/jour/article/view/750</self-uri><abstract><p>В статье представлены результаты моделирования сроков цветения Armeniaca vulgaris Lam. на основе сорта Крымский Амур. Для определения расчётной даты цветения была выбрана простая классическая тепловая модель внешнего воздействия. Фазы окончание формирования спорогенной ткани – мейоз, использовали как биологический маркер начала вегетации сортов абрикоса и выход растения из состояния покоя. Сумма тепловых единиц необходимая для наступления фазы цветения варьировала по годам от 276,0°С до 352,8°С.Отмечено влияние температуры воздуха в весенний период на ускорение или замедление процессов вегетации на 1-2 недели. Результат тестирования модели показал, что она достаточно точно описывает межгодовую изменчивость дат цветения культуры. Расхождение составляет не более 2-4 дней в 87% случаев.</p></abstract><trans-abstract xml:lang="en"><p>The article presents the results of modeling the timing of flowering Armeniaca vulgaris Lam. based on the Krymsky Amur cultivar. To determine the estimated flowering date, a simple classical thermal model of external influence was chosen. The phases at the end of the formation of sporogenous tissue – meiosis, were used as a biological marker of the beginning of the vegetation of apricot cultivars and the exit of the plant from dormancy. The sum of thermal units required for the onset of the flowering phase is from 276.0°C to 352.8°C. The influence of air temperature in the spring period on the acceleration or deceleration of vegetation processes by 1-2 weeks was noted. The result of testing the model showed that it accurately describes the interannual variability of crop flowering dates. The discrepancy is no more than 2-4 days in 87% of cases.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>Armeniaca vulgaris Lam.</kwd><kwd>пыльца</kwd><kwd>моделирование</kwd><kwd>фенология</kwd><kwd>цветение</kwd><kwd>Южный берег Крыма</kwd><kwd>климат</kwd></kwd-group><kwd-group xml:lang="en"><kwd>Armeniaca vulgaris Lam.</kwd><kwd>pollen</kwd><kwd>modeling</kwd><kwd>phenology</kwd><kwd>flowering</kwd><kwd>Southern Coast of the Crimea</kwd><kwd>climate</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">Елманов С.И. Зимнее развитие цветочных почек персика и абрикоса // Труды Государственного Никитикитского ботанического сада. – 1959. – № 29. – С. 251-268.</mixed-citation><mixed-citation xml:lang="en">Елманов С.И. 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