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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">10.18619/2072-9146-2021-3-110-115</article-id><article-id custom-type="elpub" pub-id-type="custom">ovoshchi-1774</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>ЗАЩИТА РАСТЕНИЙ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>PLANT PROTECTION</subject></subj-group></article-categories><title-group><article-title>Идентификация Pseudomonas cichorii (Swingle 1925) Stapp 1928 в гидропонном производстве салата</article-title><trans-title-group xml:lang="en"><trans-title>Identification of Pseudomonas cichorii (Swingle 1925) Stapp 1928 in hydroponic lettuce production</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-1797-4886</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Тешич</surname><given-names>С.</given-names></name><name name-style="western" xml:lang="en"><surname>Tesic</surname><given-names>S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Светлана Тешич – магистрант Аграрно-технологического института</p><p>117198, ЮЗАО, г. Москва, ул. Миклухо-Маклая, 6</p></bio><bio xml:lang="en"><p>Svjetlana Tesic – MSc student, Agrarian and Technological Institute</p><p>Miklukho-Maklaya Str. 6, Moscow, 117198</p></bio><email xlink:type="simple">edagro9@gmail.com</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-6493-6121</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Пакина</surname><given-names>Е. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Pakina</surname><given-names>E. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Елена Николаевна Пакина, – кандидат биол. наук, доцент, руководитель департамента Агробиотехнологии Аграрно-технологического института</p><p>117198, ЮЗАО, г. Москва, ул. Миклухо-Маклая, 6</p></bio><bio xml:lang="en"><p>Elena N. Pakina – Cand. Sci. (Biology), Ass. Professor, Chair of Agrobiotechnology Department, Agrarian and Technological Institute</p><p>Miklukho-Maklaya Str. 6, Moscow, 117198</p></bio><email xlink:type="simple">pakina-en@rudn.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-2948-753X</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Игнатов</surname><given-names>А. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Ignatov</surname><given-names>A. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Александр Николаевич Игнатов – доктор биол. наук, профессор Аграрно-технологического института</p><p>117198, ЮЗАО, г. Москва, ул. Миклухо-Маклая, 6</p></bio><bio xml:lang="en"><p>Aleksandr N. Ignatov – Doc. Sci. (Biology), Professor, Agrarian and Technological Institute</p><p>Miklukho-Maklaya Str. 6, Moscow, 117198</p></bio><email xlink:type="simple">an.ignatov@gmail.com</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Федеральное государственное автономное образовательное учреждение высшего образования «Российский университет дружбы народов» (ФГАОУ ВО РУДН)</institution><country>Россия</country></aff><aff xml:lang="en"><institution>People’s Friendship University of Russia (RUDN University)</institution><country>Russian Federation</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>110</fpage><lpage>115</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Тешич С., Пакина Е.Н., Игнатов А.Н., 2021</copyright-statement><copyright-year>2021</copyright-year><copyright-holder xml:lang="ru">Тешич С., Пакина Е.Н., Игнатов А.Н.</copyright-holder><copyright-holder xml:lang="en">Tesic S., Pakina E.N., Ignatov A.N.</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://www.vegetables.su/jour/article/view/1774">https://www.vegetables.su/jour/article/view/1774</self-uri><abstract><sec><title>Актуальность</title><p>Актуальность. Салат посевной, латук посевной или салат латук (лат. Latuca sativa) –вид однолетних травянистых растений рода Латук семейства Астровые (Asteraceae). В качестве овощной культуры возделывается повсеместно в мире, особое развитие в последние годы получило выращивание салата в защищенном грунте при гидропонной технологии выращивания. Одним из распространенных патогенов салата является Pseudomonas cichorii –возбудитель бактериозов нескольких важных культурных растений. В связи с этим, изучение встречаемости этого патогена является актуальным.</p></sec><sec><title>Материал и методика</title><p>Материал и методика. Исследование проводили на базе департамента Агробиотехнологии АТИ РУДН. Образцы были предоставлены коммерческой компанией – производителем салата, выращиваемого на проточной гидропонной линии в условиях минимального заражения микроорганизмами. Изучение фитопатогенных бактерий включает ряд этапов: выделение бактерий на полу-селективные питательные среды и получение чистой культуры бактерий; постановка теста на патогенность (вирулентность); изучение фенотипических свойств бактерий; определение таксономического положения выделенных штаммов молекулярными методами. Все исследования проводили св соответствии со стандартными методиками идентификации фитопатогенных бактерий.</p></sec><sec><title>Результаты</title><p>Результаты. В результате работы получено подтверждение распространения вида Pseudomonas cichorii (Swingle 1925) Stapp 1928 в гидропонной культуре салата в РФ. Хотя, согласно базе данных ЕОКЗР, P. cichorii был впервые описан в России в 1965 году на основании микробиологических методов идентификации, выделенные изоляты бактерии недоступны в коллекциях для подтверждения данного вывода современными диагностическими методами. Двенадцать изолятов P. cichoriiбыли изучены по комплексу биохимических признаков и четыре изолята (01, 04, 06 и 12), показавшие наибольшую агрессивность при проведении инокуляции растений-хозяев и табака, были использованы для секвенирования ДНК фрагмента гена 16S рРНК. Полученные фрагменты ДНК показали высокое сходство (99-100%) с последовательностями P. cichoriiиз Генбанка. Оценка вирулентности выделенных изолятов на ряде культурных растений, и однородность их биохимических признаков показали, что они представляют группу бактерий, специализированных на салате.</p></sec></abstract><trans-abstract xml:lang="en"><sec><title>Relevance</title><p>Relevance. Lettuce (Latin: Lactúca satíva) is a species of annual herbaceous plant in the genus Lettuce of the Asteraceae family. As a vegetable crop, it is cultivated everywhere in the world, and its hydroponic cultivation technology has received special development in recent years. One of the common pathogens of lettuce is Pseudomonas cichorii, causing bacterial diseases of several important cultivated plants. In this regard, the study of the occurrence of this pathogen is important.</p></sec><sec><title>Material and methodology</title><p>Material and methodology. The study was conducted on the basis of the Department of Agrobiotechnology of the ATI of RUDN University. The samples were provided by a commercial manufacturer of lettuce grown on a flow-through hydroponic line under conditions of minimal microbial contamination. The study of phytopathogenic bacteria includes a number of stages: isolation of bacteria on semi-selective culture media and obtaining a pure culture of bacteria; setting a test for pathogenicity (virulence); studying the phenotypic properties of bacteria; determining the taxonomic position of the isolated strains by molecular methods. All studies were conducted in accordance with the standard methods of identification of phytopathogenic bacteria.</p></sec><sec><title>Results</title><p>Results. As a result of the work, the distribution of the species Pseudomonas cichorii in the hydroponic culture of lettuce in the Russian Federation was confirmed. Although, according to the EPPO database, P. cichorii was first described in Russia in 1965 by microbiological methods, but isolated bacteria are not available in microbiological collections to confirm this conclusion with appropriate diagnostic methods. Twelve isolates of P. cichoriiwere studied by a biochemical and phytopathological tests, and four isolates (01, 04, 06, and 12) that showed the greatest aggressiveness on host plants and tobacco leaves were identified by DNA sequencing of the 16S rRNA gene fragment. The obtained DNA fragments showed a high similarity (99-100%) with the sequences of P. cichoriifrom the Genebank. Evaluation of the virulence of the isolated isolates on a number of other cultivated plants, and the uniformity of their biochemical characteristics showed that they represent a group of bacteria specialized in lettuce.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>салат</kwd><kwd>бактериоз</kwd><kwd>гидропоника</kwd><kwd>ПЦ</kwd></kwd-group><kwd-group xml:lang="en"><kwd>lettuce</kwd><kwd>bacterial diseases</kwd><kwd>hydroponics</kwd><kwd>PCR</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Авторы выражают признательность В.Д. Красильникову за предоставленный материал.</funding-statement></funding-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Koike, Steven T. Vegetable diseases: a color handbook. Burlington, MA: Academic Press, 2007. 448 p. ISBN 978-0-12-373675-7, 978-0-12-373675-8).</mixed-citation><mixed-citation xml:lang="en">Koike, Steven T. 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