<?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>0187-7380</journal-id>
<journal-title><![CDATA[Revista fitotecnia mexicana]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. fitotec. mex]]></abbrev-journal-title>
<issn>0187-7380</issn>
<publisher>
<publisher-name><![CDATA[Sociedad Mexicana de Fitogenética A.C.]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0187-73802016000200123</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Regeneración in vitro del laurel silvestre (Litsea glaucescens Kunth). A través de embriogénesis somática]]></article-title>
<article-title xml:lang="en"><![CDATA[In vitro regeneration of mexican bay ( Litsea glaucescens Kunth ). Through somatic embryogenesis]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Dávila-Figueroa]]></surname>
<given-names><![CDATA[Carlos A.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Morales-Domínguez]]></surname>
<given-names><![CDATA[José F.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rosa-Carrillo]]></surname>
<given-names><![CDATA[Ma. de Lourdes de la]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Pérez-Molphe-Balch]]></surname>
<given-names><![CDATA[Eugenio]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Autónoma de Aguascalientes Centro de Ciencias Básicas Departamento de Química]]></institution>
<addr-line><![CDATA[Aguascalientes Ags.]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>06</month>
<year>2016</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2016</year>
</pub-date>
<volume>39</volume>
<numero>2</numero>
<fpage>123</fpage>
<lpage>131</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0187-73802016000200123&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0187-73802016000200123&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0187-73802016000200123&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen: El laurel silvestre (Litsea glaucescens) es una de las especies forestales no maderables más importantes en México debido a su uso como condimento y a sus propiedades medicinales. Esto ha causado una sobreexplotación de muchas de las poblaciones de la especie, lo cual, junto a la degradación de su hábitat, la ha puesto en peligro de extinción. En este trabajo se reporta el desarrollo de un sistema de regeneración in vitro para esta especie a través de la embriogénesis somática indirecta. Los explantes iniciales fueron embriones cigóticos maduros, a partir de los cuales se generó tejido calloso embriogénico en medio de cultivo de Murashige y Skoog, a pH 5.7, con 30 g L-1 de sacarosa y 8 g L-1 de agar, adicionados con 4 g L-1 carbón activado o 1 mg L-1 de benciladenina. Este último fue el mejor tratamiento ya que 29 % de los explantes inoculados generó tejido embriogénico. La diferenciación de los embriones somáticos se observó en medio de cultivo con 4 g L-1 de carbón activado, con una producción promedio de 282 embriones somáticos por cada gramo de tejido embriogénico. La maduración y germinación de los embriones somáticos fue más eficiente (27 %) en medio basal con 6 g L-1 de carbón activado y 12 g L-1 de agar. La conversión de embriones germinados en plántulas se logró en medio basal a 50 % con 8 g L-1 de agar, esto con una eficiencia de 87 %. Finalmente, 76 % de las plantas generadas a través de la embriogénesis somática sobrevivieron y reiniciaron su crecimiento en suelo.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract: Mexican bay (Litsea glaucescens) is one of the most important non-timber forest species in México due to its use as a condiment and its medicinal properties. This has caused the overexploitation of the populations of the species, which, together with the degradation of its habitat, has put in danger of extinction. In this work the development of an in vitro regeneration system for this species through indirect somatic embryogenesis is reported. The initial explants were mature zygotic embryos, from which embryogenic callus was generated on Murashige &amp; Skoog culture medium, pH 5.7, with 30 g L-1 sucrose and 8 g L-1 agar, added with 4 g L-1 activated charcoal or 1 mg L-1 benzyladenine. The later was the best treatment and 29 % of the inoculated explants generated embryogenic tissue. Differentiation of somatic embryos was observed on culture medium with 4 g L-1 of activated charcoal, showing an average production of 282 somatic embryos per gram of embryogenic tissue. Maturation and germination of somatic embryos was more efficient (27 %) on basal medium with 6 g L-1 of activated charcoal and 12 g L-1 agar. The conversion of germinated embryos int&#8747;o seedlings was achieved on 50 % basal medium with 8 g L-1 agar, with an efficiency of 87 %. Finally, 76 % of the plants generated via somatic embryogenesis survived and resumed growth in soil.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Litsea glaucescens]]></kwd>
<kwd lng="es"><![CDATA[benciladenina]]></kwd>
<kwd lng="es"><![CDATA[carbón activado]]></kwd>
<kwd lng="es"><![CDATA[embriogénesis somática]]></kwd>
<kwd lng="es"><![CDATA[regeneración in vitro]]></kwd>
<kwd lng="en"><![CDATA[Litsea glaucescens]]></kwd>
<kwd lng="en"><![CDATA[activated charcoal]]></kwd>
<kwd lng="en"><![CDATA[benzyladenine]]></kwd>
<kwd lng="en"><![CDATA[in vitro regeneration]]></kwd>
<kwd lng="en"><![CDATA[somatic embryogenesis]]></kwd>
</kwd-group>
</article-meta>
</front><back>
<ref-list>
<ref id="B1">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Canhoto]]></surname>
<given-names><![CDATA[J. M.]]></given-names>
</name>
<name>
<surname><![CDATA[Lopes]]></surname>
<given-names><![CDATA[M. L.]]></given-names>
</name>
<name>
<surname><![CDATA[Cruz]]></surname>
<given-names><![CDATA[G. S.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Somatic embryogenesis induction in bay laurel (Laurus nobilis L.)]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Jain]]></surname>
<given-names><![CDATA[S. M.]]></given-names>
</name>
<name>
<surname><![CDATA[Gupta]]></surname>
<given-names><![CDATA[P. K.]]></given-names>
</name>
<name>
<surname><![CDATA[Newton]]></surname>
<given-names><![CDATA[R. J.]]></given-names>
</name>
</person-group>
<source><![CDATA[Somatic Embryogenesis in Woody Plants]]></source>
<year>1999</year>
<volume>4</volume>
<page-range>341-67</page-range><publisher-loc><![CDATA[Netherlands ]]></publisher-loc>
<publisher-name><![CDATA[Springer]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B2">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Growth and accumulation of storage reserves by somatic embryos of Ocotea catharinensis Mez. (Lauraceae)]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Catarina]]></surname>
<given-names><![CDATA[C. S.]]></given-names>
</name>
<name>
<surname><![CDATA[Randi]]></surname>
<given-names><![CDATA[A. M.]]></given-names>
</name>
<name>
<surname><![CDATA[Viana]]></surname>
<given-names><![CDATA[A. M.]]></given-names>
</name>
</person-group>
<source><![CDATA[Plant Cell, Tissue and Organ Culture]]></source>
<year>2003</year>
<volume>74</volume>
<page-range>67-71</page-range></nlm-citation>
</ref>
<ref id="B3">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Estatus poblacional y niveles de aprovechamiento del laurel silvestre Litsea glaucescens Kunth en Aguascalientes]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Dávila-Figueroa]]></surname>
<given-names><![CDATA[C. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Flores-Tena]]></surname>
<given-names><![CDATA[F. J.]]></given-names>
</name>
<name>
<surname><![CDATA[Morales-Domínguez]]></surname>
<given-names><![CDATA[J. F.]]></given-names>
</name>
<name>
<surname><![CDATA[Clark Tapia]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Pérez-Molphe-Balch]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
</person-group>
<source><![CDATA[Revista Mexicana de Ciencias Forestales]]></source>
<year>2011</year>
<volume>2</volume>
<page-range>47-59</page-range></nlm-citation>
</ref>
<ref id="B4">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Factors influencing somatic embryogenesis induction and plant regeneration with particular reference to Arabidopsis thaliana (L.) Heynh]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Gaj]]></surname>
<given-names><![CDATA[M.D.]]></given-names>
</name>
</person-group>
<source><![CDATA[Plant Growth Regulation]]></source>
<year>2004</year>
<volume>43</volume>
<page-range>27-47</page-range></nlm-citation>
</ref>
<ref id="B5">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Applications of biotechnology for forest regeneration]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Grossnickle]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Sutton]]></surname>
<given-names><![CDATA[B. C. S.]]></given-names>
</name>
</person-group>
<source><![CDATA[New Forests]]></source>
<year>1999</year>
<volume>17</volume>
<page-range>213-26</page-range></nlm-citation>
</ref>
<ref id="B6">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Identity and delimitation of the American species of Litsea Lam. (Lauraceae): a morphological approach]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Jiménez-Pérez]]></surname>
<given-names><![CDATA[N. C.]]></given-names>
</name>
<name>
<surname><![CDATA[Lorea-Hernández]]></surname>
<given-names><![CDATA[F. G.]]></given-names>
</name>
</person-group>
<source><![CDATA[Plant Systematics and Evolution]]></source>
<year>2009</year>
<volume>283</volume>
<page-range>19-32</page-range></nlm-citation>
</ref>
<ref id="B7">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Essential oils in Mexican bays (Litsea spp., Lauraceae): Taxonomic assortment and ethnobotanical implications]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Jiménez-Pérez]]></surname>
<given-names><![CDATA[N. C.]]></given-names>
</name>
<name>
<surname><![CDATA[Lorea-Hernández]]></surname>
<given-names><![CDATA[F. G.]]></given-names>
</name>
<name>
<surname><![CDATA[Jankowsky]]></surname>
<given-names><![CDATA[C. K.]]></given-names>
</name>
<name>
<surname><![CDATA[Reyes Chilpa]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
</person-group>
<source><![CDATA[Economic Botany]]></source>
<year>2011</year>
<volume>65</volume>
<page-range>178-89</page-range></nlm-citation>
</ref>
<ref id="B8">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Influence of gelling agents on culture medium gel strength, water availability, tissue water potential, and maturation response in embryogenic cultures of Pinus strobus L]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Klimaszewska]]></surname>
<given-names><![CDATA[K.]]></given-names>
</name>
<name>
<surname><![CDATA[Bernier-Cardou]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Cyr]]></surname>
<given-names><![CDATA[D. R.]]></given-names>
</name>
<name>
<surname><![CDATA[Sutton]]></surname>
<given-names><![CDATA[B. C. S.]]></given-names>
</name>
</person-group>
<source><![CDATA[Vitro Cellular and Developmental Biology-Plant]]></source>
<year>2000</year>
<volume>36</volume>
<page-range>279-86</page-range></nlm-citation>
</ref>
<ref id="B9">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Thidiazuron-induced somatic embryos, their multiplication, maturation, and conversión in Cinnamomum pauciflorum Nees (Lauraceae)]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Kong]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
<name>
<surname><![CDATA[Dai]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
<name>
<surname><![CDATA[Shang]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Li]]></surname>
<given-names><![CDATA[K.]]></given-names>
</name>
<name>
<surname><![CDATA[Zhang]]></surname>
<given-names><![CDATA[C. X.]]></given-names>
</name>
</person-group>
<source><![CDATA[New Forests]]></source>
<year>2009</year>
<volume>38</volume>
<page-range>131-42</page-range></nlm-citation>
</ref>
<ref id="B10">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Effect of sucrose concentration, polyethylene glycol and activated charcoal on maturation and regeneration of Abies cephalonica somatic embryos]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Krajn&#780;áková]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Häggman]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
<name>
<surname><![CDATA[Gömöry]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
</person-group>
<source><![CDATA[Plant Cell Tissue and Organ Culture]]></source>
<year>2009</year>
<volume>96</volume>
<page-range>251-62</page-range></nlm-citation>
</ref>
<ref id="B11">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Somatic embryogenesis in Pinus halepensis Mill.: an important ecological species from the Mediterranean forest]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Montalbán]]></surname>
<given-names><![CDATA[I. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Setién-Olarra]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Hargreaves]]></surname>
<given-names><![CDATA[C. L.]]></given-names>
</name>
<name>
<surname><![CDATA[Moncaleán]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
</person-group>
<source><![CDATA[Trees]]></source>
<year>2013</year>
<volume>27</volume>
<page-range>1339-51</page-range></nlm-citation>
</ref>
<ref id="B12">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Aprovechamiento tradicional de una especie protegida (Litsea glaucescens kunth) en "Sierra del Laurel", Aguascalientes, México]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Montañez-Armenta]]></surname>
<given-names><![CDATA[M. P.]]></given-names>
</name>
<name>
<surname><![CDATA[Valtierra-Pacheco]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Medina-Torres]]></surname>
<given-names><![CDATA[S. M.]]></given-names>
</name>
</person-group>
<source><![CDATA[Ra Ximhai]]></source>
<year>2011</year>
<volume>7</volume>
<page-range>155-72</page-range></nlm-citation>
</ref>
<ref id="B13">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[In vitro plantlet regeneration of Ocotea catharinensis, an endangered Brazilian hardwood forest tree]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Moura-Costa]]></surname>
<given-names><![CDATA[P. H.]]></given-names>
</name>
<name>
<surname><![CDATA[Viana]]></surname>
<given-names><![CDATA[A. M.]]></given-names>
</name>
<name>
<surname><![CDATA[Mantell]]></surname>
<given-names><![CDATA[S. H.]]></given-names>
</name>
</person-group>
<source><![CDATA[Plant Cell Tissue and Organ Culture]]></source>
<year>1993</year>
<volume>35</volume>
<page-range>279-86</page-range></nlm-citation>
</ref>
<ref id="B14">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Somatic embryogenesis from immature zygotic embryos of annatto (Bixa orellana L.)]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Paiva-Neto]]></surname>
<given-names><![CDATA[V. B.]]></given-names>
</name>
<name>
<surname><![CDATA[Botelho]]></surname>
<given-names><![CDATA[M. N.]]></given-names>
</name>
<name>
<surname><![CDATA[Aguíar]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Silva]]></surname>
<given-names><![CDATA[E. A. M.]]></given-names>
</name>
<name>
<surname><![CDATA[Otoni]]></surname>
<given-names><![CDATA[W. C.]]></given-names>
</name>
</person-group>
<source><![CDATA[Vitro Cellular and Developmental Biology-Plant]]></source>
<year>2003</year>
<volume>39</volume>
<page-range>629-34</page-range></nlm-citation>
</ref>
<ref id="B15">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[The use of charcoal in in vitro culture-A review]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Pan]]></surname>
<given-names><![CDATA[M. J.]]></given-names>
</name>
<name>
<surname><![CDATA[van Staden]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<source><![CDATA[Plant Growth Regulation]]></source>
<year>1998</year>
<volume>26</volume>
<page-range>155-63</page-range></nlm-citation>
</ref>
<ref id="B16">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Oak somatic and gametic embryos maturation is affected by charcoal and specific amino acids mixture]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Pintos]]></surname>
<given-names><![CDATA[B.]]></given-names>
</name>
<name>
<surname><![CDATA[Manzanera]]></surname>
<given-names><![CDATA[J. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Bueno]]></surname>
<given-names><![CDATA[M. A.]]></given-names>
</name>
</person-group>
<source><![CDATA[Annals of Forest Science]]></source>
<year>2010</year>
<volume>67</volume>
<page-range>1-9</page-range></nlm-citation>
</ref>
<ref id="B17">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Somatic embryogenesis in avocado (Persea americana Mill.) in vitro]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Pliego-Alfaro]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
<name>
<surname><![CDATA[Murashige]]></surname>
<given-names><![CDATA[T.]]></given-names>
</name>
</person-group>
<source><![CDATA[Plant Cell Tissue and Organ Culture]]></source>
<year>1988</year>
<volume>12</volume>
<page-range>61-6</page-range></nlm-citation>
</ref>
<ref id="B18">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[NORMA Oficial Mexicana NOM-059-SEMARNAT-2010, Protección ambiental-Especies nativas de México de flora y fauna silvestres-Categorías de riesgo y especificaciones para su inclusión, exclusión o cambio-Lista de especies en riesgo]]></article-title>
<collab>SEMARNAT, Secretaría del Medio Ambiente y Recursos Naturales</collab>
<source><![CDATA[Diario Oficial de la Federación]]></source>
<year>2010</year>
</nlm-citation>
</ref>
<ref id="B19">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Enhancement of somatic embryogenesis in camphor tree (Cinnamomum camphora L.): osmotic stress and other factors affecting somatic embryo formation on hormone-free medium]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Shi]]></surname>
<given-names><![CDATA[X.]]></given-names>
</name>
<name>
<surname><![CDATA[Dai]]></surname>
<given-names><![CDATA[X.]]></given-names>
</name>
<name>
<surname><![CDATA[Liu]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
<name>
<surname><![CDATA[Bao]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
</person-group>
<source><![CDATA[Trees]]></source>
<year>2009</year>
<volume>23</volume>
<page-range>1033-42</page-range></nlm-citation>
</ref>
<ref id="B20">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Histoquímica, contenido de fenoles totales y actividad antioxidante de hoja y de madera de Litsea glaucescens Kunth (Lauraceae)]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Tapia-Torres]]></surname>
<given-names><![CDATA[N. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Pérez-Olvera]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[Román-Guerrero]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Quintanar-Isaías]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[García-Márquez]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Cruz-Sosa]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
</person-group>
<source><![CDATA[Madera y Bosques]]></source>
<year>2014</year>
<volume>20</volume>
<page-range>125-37</page-range></nlm-citation>
</ref>
<ref id="B21">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Propagación in vitro del laurel silvestre (Litsea glaucescens Kunth) y análisis de la diversidad genética de poblaciones del centro de México]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Valle Rodríguez]]></surname>
<given-names><![CDATA[C. M.]]></given-names>
</name>
<name>
<surname><![CDATA[Dávila Figueroa]]></surname>
<given-names><![CDATA[C. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Rosa Carrillo]]></surname>
<given-names><![CDATA[M. L. de la]]></given-names>
</name>
<name>
<surname><![CDATA[Pérez Molphe-Balch]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Morales Domínguez]]></surname>
<given-names><![CDATA[J. F.]]></given-names>
</name>
</person-group>
<source><![CDATA[Investigación y Ciencia]]></source>
<year>2013</year>
<volume>57</volume>
<page-range>19-26</page-range></nlm-citation>
</ref>
<ref id="B22">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Somatic embryogenesis and peroxidase activity of desiccation tolerant mature somatic embryos of Loblolly pine]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Wei]]></surname>
<given-names><![CDATA[T.]]></given-names>
</name>
</person-group>
<source><![CDATA[Journal of Forestry Research]]></source>
<year>2001</year>
<volume>12</volume>
<page-range>147-52</page-range></nlm-citation>
</ref>
</ref-list>
</back>
</article>
