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<article xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:ali="http://www.niso.org/schemas/ali/1.0/" article-type="research-article" dtd-version="1.3" xml:lang="uz">
  <front>
    <journal-meta>
      <journal-id journal-id-type="publisher-id">research-focus</journal-id>
      <journal-title-group>
        <journal-title>Research Focus International Scientific Journal</journal-title>
        <abbrev-journal-title abbrev-type="publisher">Research Focus</abbrev-journal-title>
      </journal-title-group>
      <issn pub-type="epub" publication-format="electronic">2181-3833</issn>
      <publisher>
        <publisher-name>Ilm-fan va innovatsiyalar akademiyasi</publisher-name>
      </publisher>
    </journal-meta>
    <article-meta>
      <article-id pub-id-type="doi">10.66073/researchfocus.v5i5.2245</article-id>
      <article-id pub-id-type="other" assigning-authority="relibrary.uz">REL-A-013375</article-id>
      <article-categories>
        <subj-group subj-group-type="oak">
          <subject>06.00.00</subject>
        </subj-group>
      </article-categories>
      <title-group>
        <article-title xml:lang="uz">KUZGI BUG‘DOYNING “ULTRA” VA “FLESH” NAVLARIDA KO‘CHAT QALINLIGI</article-title>
        <trans-title-group xml:lang="en">
          <trans-title>PLANT DENSITY OF “ULTRA” AND “FLESH” WINTER WHEAT VARIETIES</trans-title>
        </trans-title-group>
        <trans-title-group xml:lang="ru">
          <trans-title>ГУСТОТА СТОЯНИЯ РАСТЕНИЙ СОРТОВ ОЗИМОЙ ПШЕНИЦЫ «ULTRA» И «FLESH»</trans-title>
        </trans-title-group>
      </title-group>
      <contrib-group content-type="author">
        <contrib contrib-type="author">
          <name>
            <surname>Durdiyev</surname>
            <given-names>N.H.</given-names>
          </name>
          <aff>“Toshkent irrigatsiya va qishloq xo‘jaligini mexanizatsiyalash muhandislari instituti” Milliy</aff>
        </contrib>
        <contrib contrib-type="author">
          <name>
            <surname>G‘opporova</surname>
            <given-names>Z.I.</given-names>
          </name>
          <aff>“Toshkent irrigatsiya va qishloq xo‘jaligini mexanizatsiyalash muhandislari instituti” Milliy</aff>
        </contrib>
      </contrib-group>
      <pub-date publication-format="electronic" date-type="pub" iso-8601-date="2026-06-05">
        <day>05</day>
        <month>06</month>
        <year>2026</year>
      </pub-date>
      <pub-date date-type="collection">
        <year>2026</year>
      </pub-date>
      <volume>5</volume>
      <issue>5</issue>
      <fpage>38</fpage>
      <lpage>41</lpage>
      <permissions>
        <license xlink:href="https://creativecommons.org/licenses/by/4.0">
          <ali:license_ref>https://creativecommons.org/licenses/by/4.0</ali:license_ref>
          <license-p>Ushbu asar Creative Commons Attribution 4.0 International litsenziyasi asosida litsenziyalangan.</license-p>
        </license>
      </permissions>
      <self-uri xlink:href="https://relibrary.uz/REL-A-013375/"/>
      <abstract xml:lang="uz">
        <p>Mazkur maqolada 2024–2025-yillarda dala sharoitida olib borilgan tajribalar asosida kuzgi bug‘doyda ko‘chat qalinligining shakllanishi hamda o‘simliklarning qishki sovuqlarga chidamliligi o‘rganilgan. Tadqiqot davomida qishdan oldingi va erta bahordagi ko‘chat qalinligi hamda qishda sovuqdan nobud bo‘lgan o‘simliklar ulushi aniqlangan. Natijalarga ko‘ra, qishdan oldingi ko‘chat qalinligi 451,4–471,4 ming dona/m² oralig‘ida, bahorgi ko‘rsatkich esa 401,4–455,8 ming dona/m² diapazonda qayd etildi. O‘simliklarning sovuqdan nobud bo‘lish darajasi variantlar va yillar kesimida 8,8–52,7 % oralig‘ida o‘zgarishi aniqlangan.</p>
      </abstract>
      <trans-abstract xml:lang="en">
        <p>This article examines the formation of plant density in winter wheat and the resistance of plants to winter cold based on field experiments conducted during 2024–2025. During the study, plant density before winter and in early spring, as well as the proportion of plants damaged by winter frost, were determined. According to the results, pre-winter plant density ranged from 451.4 to 471.4 thousand plants/m², while the early spring indicator varied between 401.4 and 455.8 thousand plants/m². The level of plant mortality caused by winter cold varied from 8.8% to 52.7% depending on the experimental variants and years.</p>
      </trans-abstract>
      <trans-abstract xml:lang="ru">
        <p>В данной статье изучены формирование густоты стояния озимой пшеницы и устойчивость растений к зимним холодам на основе полевых опытов, проведённых в 2024–2025 годах. В ходе исследований были определены густота стояния растений перед уходом в зиму и ранней весной, а также доля растений, погибших от зимних морозов. Согласно полученным результатам, густота стояния растений перед зимовкой составила 451,4–471,4 тыс. шт./м², а весенний показатель варьировал в пределах 401,4– 455,8 тыс. шт./м². Уровень гибели растений от зимних холодов в зависимости от вариантов опыта и годов изменялся в пределах 8,8–52,7 %.</p>
      </trans-abstract>
      <kwd-group xml:lang="uz">
        <kwd>ko‘chat qalinligi</kwd>
        <kwd>dala tajribasi</kwd>
        <kwd>sovuqqa chidamlilik</kwd>
        <kwd>o‘simliklarning saqlanib qolishi</kwd>
        <kwd>agrotexnik variantlar</kwd>
        <kwd>bahorgi ko‘chat qalinligi</kwd>
        <kwd>qishki nobud bo‘lish</kwd>
        <kwd>hosildorlik elementlari</kwd>
        <kwd>dala sharoiti</kwd>
        <kwd>biometrik ko‘rsatkichlar</kwd>
      </kwd-group>
      <kwd-group xml:lang="en">
        <kwd>plant density</kwd>
        <kwd>field experiment</kwd>
        <kwd>cold resistance</kwd>
        <kwd>plant survival</kwd>
        <kwd>agrotechnical variants</kwd>
        <kwd>spring plant density</kwd>
        <kwd>winter plant mortality</kwd>
        <kwd>yield components</kwd>
        <kwd>field conditions</kwd>
        <kwd>biometric indicators</kwd>
      </kwd-group>
      <kwd-group xml:lang="ru">
        <kwd>густота стояния растений</kwd>
        <kwd>полевой опыт</kwd>
        <kwd>морозоустойчивость сохранность растений</kwd>
        <kwd>агротехнические варианты</kwd>
        <kwd>весенняя густота стояния растений зимняя гибель растений</kwd>
        <kwd>элементы урожайности</kwd>
        <kwd>полевые условия</kwd>
        <kwd>биометрические показатели</kwd>
      </kwd-group>
    </article-meta>
  </front>
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</article>
