<?xml version="1.0" encoding="ISO-8859-1"?><article 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">
<front>
<journal-meta>
<journal-id>2007-4298</journal-id>
<journal-title><![CDATA[Botanical Sciences]]></journal-title>
<abbrev-journal-title><![CDATA[Bot. sci]]></abbrev-journal-title>
<issn>2007-4298</issn>
<publisher>
<publisher-name><![CDATA[Sociedad Botánica de México A.C.]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2007-42982020000400534</article-id>
<article-id pub-id-type="doi">10.17129/botsci.2609</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Callus induction and adventitious bud differentiation of Cyclocodon lancifolius (Roxb.) Kurz]]></article-title>
<article-title xml:lang="es"><![CDATA[Inducción de callos y diferenciación adventicia de yemas de Cyclocodon lancifolius (Roxb.) Kurz]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Xi]]></surname>
<given-names><![CDATA[Yin-Kai]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Wang]]></surname>
<given-names><![CDATA[Ye]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Zeng]]></surname>
<given-names><![CDATA[Biao]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Huang]]></surname>
<given-names><![CDATA[Heng-Yu]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Yang]]></surname>
<given-names><![CDATA[Wu-Dei]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Yunnan University of Chinese Medicine Yunnan Breeding and Cultivation Research and Development Center of Endangered and Daodi Chinese Medicinal Materials ]]></institution>
<addr-line><![CDATA[Kunming ]]></addr-line>
<country>China</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Guizhou University of Traditional Chinese Medicine Chemistry department ]]></institution>
<addr-line><![CDATA[Guiyang ]]></addr-line>
<country>China</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,China Academy of Chinese Medical Sciences Institute of Chinese Materia Medica ]]></institution>
<addr-line><![CDATA[Beijing ]]></addr-line>
<country>China</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Yunnan Academy of Agricultural Sciences  ]]></institution>
<addr-line><![CDATA[Kunming ]]></addr-line>
<country>China</country>
</aff>
<aff id="Af5">
<institution><![CDATA[,Qiucheng Breeding Company Limited  ]]></institution>
<addr-line><![CDATA[Lijiang ]]></addr-line>
<country>China</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2020</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2020</year>
</pub-date>
<volume>98</volume>
<numero>4</numero>
<fpage>534</fpage>
<lpage>544</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2007-42982020000400534&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2007-42982020000400534&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2007-42982020000400534&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  Background: Cyclocodon lancifolius (Roxb.) Kurz is a perennial medicinal and edible plant with a huge potential economic value. The wild resources of this plant are gradually scarce by the serious destruction of the habitat and the limitations of sexual reproduction. This is the first attempt to establish an in vitro reproductive system for the species.  Hypothesis:  The suitable plant regulator types and its mass concentration range, combined with the explants, can induce the development of plants at various stages. We expected to establish an in vitro regeneration system of C. lancifolius based on these factors.  Species studied: Cyclocodon lancifolius  Study site and years of study:  Yunnan Breeding and Cultivation Research and Development Center of Endangered and Daodi Chinese Medicinal Materials, Yunnan University of Chinese Medicine, from 2017 to 2019.  Methods:  The plant regeneration of C. lancifolius was established by single factor, L9 (34) orthogonal and complete combination experiments.  Results:  Stem segments were the best explants for callus induction on MS medium containing 0.05 mg·L-1 KT, 0.5 mg·L-1 6-BA and 0.5 mg·L-1 NAA. MS medium with 0.2 mg·L-1 TDZ and MS medium were used alternately as the culture method to conduct differentiation and proliferation of adventitious shoot. The optimal protocol for the rooting was MS medium combined with 0.1 mg·L-1 6-BA and 1.0 mg·L-1 NAA.  Conclusions:  A rapid propagation system of C. lancifolius was established which provided a possible solution for the protection of wild resources and artificial cultivation.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen  Antecedentes: Cyclocodon lancifolius es una planta perenne medicinal y comestible. Los recursos silvestres de esta planta escasean gradualmente debido a la grave destrucción del hábitat y las limitaciones de la reproducción. Este es el primer intento de establecer un sistema reproductivo in vitro para esta especie.  Hipótesis:  El tipo de regulador de crecimiento adecuado y su rango de concentración másica, combinado con los explantes, pueden inducir el crecimiento de plantas en varias etapas. Se espera establecer un sistema de regeneración in vitro de C. lancifolius basado en estos factores.  Especie estudiadas: Cyclocodon lancifolius.  Sitio y años del estudio:  Universidad de Medicina China de Yunnan, De 2017 a 2019.  Métodos:  La regeneración de plantas de C. lancifolius se estableció mediante los experimentos de un solo factor, ortogonales de tipo L9 (34) y los de combinación completa.  Resultados:  Los segmentos del tallo fueron los mejores explantes para la inducción de callos en un medio MS que contenía 0.05 mg·L-1 KT, 0.5 mg·L-1 6-BA y 0.5 mg·L-1 NAA. El medio MS + 0.2 mg·L-1 TDZ se usó de manera alternativa con el medio MS como el método de cultivo para realizar la diferenciación y proliferación de brotes adventicios. El protocolo óptimo para el enraizamiento fue el medio MS combinado con 0.1 mg·L-1 6-BA y 1.0 mg·L-1 NAA.  Conclusiones:  Se estableció un sistema de propagación rápida de C. Lancifolius que proporcionó una posible solución para la protección de los recursos silvestres, así como para el cultivo artificial.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Adventitious buds]]></kwd>
<kwd lng="en"><![CDATA[callus]]></kwd>
<kwd lng="en"><![CDATA[orthogonal experiments]]></kwd>
<kwd lng="en"><![CDATA[tissue culture]]></kwd>
<kwd lng="en"><![CDATA[stem segments with nodes]]></kwd>
<kwd lng="es"><![CDATA[Callo]]></kwd>
<kwd lng="es"><![CDATA[cultivo de tejidos]]></kwd>
<kwd lng="es"><![CDATA[experimentos ortogonales]]></kwd>
<kwd lng="es"><![CDATA[segmentos de tallo con nudos]]></kwd>
<kwd lng="es"><![CDATA[yemas adventicias]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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