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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">ovoshchi</journal-id><journal-title-group><journal-title xml:lang="ru">Овощи России</journal-title><trans-title-group xml:lang="en"><trans-title>Vegetable crops of Russia</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2072-9146</issn><issn pub-type="epub">2618-7132</issn><publisher><publisher-name>Федеральный научный центр овощеводства</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.18619/2072-9146-2021-3-68-71</article-id><article-id custom-type="elpub" pub-id-type="custom">ovoshchi-1766</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>СЕЛЕКЦИЯ И СЕМЕНОВОДСТВО СЕЛЬСКОХОЗЯЙСТВЕННЫХ РАСТЕНИЙ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>BREEDING AND SEED PRODUCTION OF AGRICULTURAL CROPS</subject></subj-group></article-categories><title-group><article-title>Влияние сроков посадки маточных луковиц на урожайность и посевные качества семян лука репчатого</article-title><trans-title-group xml:lang="en"><trans-title>Influence ofmother onion planting time on the yield and sowing its qualities onion seeds</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>Кадиров</surname><given-names>У. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Kadirov</surname><given-names>U. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Умар Абдуллаевич Кадиров – кандидат с.-х. наук, докторант НИИ овоще-бахчевых культур и картофеля</p><p>191208, Сурхандарьинская область, Термезский район, п/о Намуна</p></bio><bio xml:lang="en"><p>Umar A. Kadirov – Cand. Sci. (Agriculture), doctoral student at the Research Institute of Vegetable, Melons and Potatoes</p><p>p / o Namuna, Termez district, Surkhandarya region, 191208</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Арамов</surname><given-names>М. Х.</given-names></name><name name-style="western" xml:lang="en"><surname>Aramov</surname><given-names>M. Kh.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Музаффар Хашимович Арамов – доктор с.-х. наук, профессор, директор Сурхандарьинской научно опытной станции НИИ овоще-бахчевых культур и картофеля</p><p>191208, Сурхандарьинская область, Термезский район, п/о Намуна</p></bio><bio xml:lang="en"><p>Muzaffar Kh. Aramov – Doc. Sci. (Agriculture), Professor, Director of the Surkhandarya Scientific Experimental Station of the Research  Institute of Vegetable and Melons and Potatoes</p><p>p / o Namuna, Termez district, Surkhandarya region, 191208</p></bio><email xlink:type="simple">aramov-muzaffar@mail.ru</email><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru">НИИ овоще-бахчевых культур и картофеля<country>Узбекистан</country></aff><aff xml:lang="en">Research Institute of Vegetable and Melon Crops and Potatoes<country>Uzbekistan</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru">Сурхандарьинской научно опытной станции  НИИ овоще-бахчевых культур и картофеля<country>Узбекистан</country></aff><aff xml:lang="en">Surkhandarya Scientific Experimental Station of the Research Institute of Vegetable, Melons and Potatoes<country>Uzbekistan</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2021</year></pub-date><pub-date pub-type="epub"><day>26</day><month>06</month><year>2021</year></pub-date><volume>0</volume><issue>3</issue><fpage>68</fpage><lpage>71</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Кадиров У.А., Арамов М.Х., 2021</copyright-statement><copyright-year>2021</copyright-year><copyright-holder xml:lang="ru">Кадиров У.А., Арамов М.Х.</copyright-holder><copyright-holder xml:lang="en">Kadirov U.A., Aramov M.K.</copyright-holder><license 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.vegetables.su/jour/article/view/1766">https://www.vegetables.su/jour/article/view/1766</self-uri><abstract><sec><title>Актуальность</title><p>Актуальность. В Узбекистане, особенно на юге республики, в последние годы широкое распространение получили раннеспелые сорта лука репчатого Сумбула, Равнак, Бахорой. Однако технология семеноводства раннеспелых сортов не разработана. В связи с этим, используя благоприятные климатические условия южного Узбекистана, были проведены исследования по выявлению оптимального срока высадки маточников раннеспелого сорта лука репчатого Сумбула.</p></sec><sec><title>Материал и методика</title><p>Материал и методика. Исследования проводили в 2019-2020 годах на ‘кспериментальной базе Сурхандарьинской научно-опытной станции НИИ овоще-бахчевых культур и картофеля согласно методическим указаниям по экологическому испытанию овощных культур в открытом грунте. Материалом для исследований служил раннеспелый сорт лука репчатого Сумбула селекции НИИ овоще-бахчевых культур и картофеля.</p></sec><sec><title>Результаты</title><p>Результаты. Самая высокая урожайность семян (0,97 т/га) была получена при раннеосенней посадке маточников – 1 сентября. Она была на 20% больше, чем в контрольном варианте (высадка 15 сентября). При более поздних сроках посадки урожайность семян резко снижается. При посадке маточников 30 октября она составила всего 0,46 т/га или 59,7% к контролю. Урожайность семян лука повышается, в основном, за счёт более мощного развития растений при раннеосенних сроках посадки – образования крупных листьев, соцветий, дополнительных стрелок. Чем больше крупных и мощных листьев, тем больше растения имеют возможность синтезировать пластические вещества в процессе фотосинтеза и сформировать высокий урожай.</p></sec></abstract><trans-abstract xml:lang="en"><sec><title>Relevance</title><p>Relevance. In Uzbekistan, especially in the south of the republic, in recent years, early ripe varieties of onion Sumbula, Ravnak, Bakhora have become widespread. However, the technology of seed production of early maturing varieties has not been developed. In this regard, several studies were carried out to identify the optimal time for planting the mother plants of the early maturing onion variety Sumbula by using the favorable climatic conditions of southern Uzbekistan.</p></sec><sec><title>Material and methodology</title><p>Material and methodology. The material for the research was the early ripe onion variety Sumbula, bred by the Research Institute of Vegetable and Melon Crops and Potatoes. The studies were carried out according to the Methodological guidelines for the ecological testing of vegetable crops in the open field etc. The dates of seed planting were studied.</p></sec><sec><title>Results</title><p>Results. Studies have shown that the highest seed yield (0.97 t/ha) was obtained in the early autumn planting of mother plants on September 1. It was 20% more than in the control variant – September 15. At later planting dates, the seed yield decreases sharply.When mother plants were planted on October 30, the seed yield was only 0,46 t/ha, or 59.7% of the control.The yield of onion seeds increases, mainly due to the more powerful development of plants during early autumn planting – the formation of large leaves, inflorescences, and additional arrows. The more large and powerful leaves, the more plants have the ability to synthesize plastic substances in the process of photosynthesis and accumulate a high yield.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>лук репчатый</kwd><kwd>семеноводство</kwd><kwd>сроки посадки маточников</kwd><kwd>фазы развития</kwd><kwd>цветение</kwd><kwd>количество стрелок</kwd><kwd>урожайность семян</kwd><kwd>посевные качества семян</kwd></kwd-group><kwd-group xml:lang="en"><kwd>onion</kwd><kwd>seed production</kwd><kwd>planting time of mother plants</kwd><kwd>phases of development</kwd><kwd>flowering</kwd><kwd>number of arrows</kwd><kwd>seed yield</kwd><kwd>sowing quality of seeds</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">Доспехов Б.А. Методика полевого опыта. М., 1985. 351 с.</mixed-citation><mixed-citation xml:lang="en">Dospekhov B.A. Field experiment technique. 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