<?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>2007-9028</journal-id>
<journal-title><![CDATA[Ecosistemas y recursos agropecuarios]]></journal-title>
<abbrev-journal-title><![CDATA[Ecosistemas y recur. agropecuarios]]></abbrev-journal-title>
<issn>2007-9028</issn>
<publisher>
<publisher-name><![CDATA[Universidad Juárez Autónoma de Tabasco, Dirección de Investigación y Posgrado]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2007-90282021000300006</article-id>
<article-id pub-id-type="doi">10.19136/era.a8n3.2964</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Análisis morfométrico de semilla y desarrollo de plántulas de maguey sacatoro (Agave angustifolia Haw.)]]></article-title>
<article-title xml:lang="en"><![CDATA[Morphometric analysis of seed and seedling development of maguey sacatoro (Agave angustifolia Haw.)]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Hernández-Castro]]></surname>
<given-names><![CDATA[Elias]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[López-Sandoval]]></surname>
<given-names><![CDATA[Yoccira Yanet]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Escobar-Álvarez]]></surname>
<given-names><![CDATA[José Luis]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ramírez-Reynoso]]></surname>
<given-names><![CDATA[Ornar]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Maldonado-Peralta]]></surname>
<given-names><![CDATA[María de los Ángeles]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Valenzuela-Lagarda]]></surname>
<given-names><![CDATA[José Luis]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Facultad de Ciencias Agropecuarias y Ambientales  ]]></institution>
<addr-line><![CDATA[Iguala de la Independencia Guerrero]]></addr-line>
<country>México</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Autónoma de Guerrero Centro Regional de Educación Superior de la Costa Chica ]]></institution>
<addr-line><![CDATA[ Guerrero]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Colegio de Postgraduados  ]]></institution>
<addr-line><![CDATA[Texcoco Estado de México]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Universidad Autónoma de Guerrero Facultad de Medicina Veterinaria y Zootecnia No. 2 ]]></institution>
<addr-line><![CDATA[Cuajinicuilapa Guerrrero]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2021</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2021</year>
</pub-date>
<volume>8</volume>
<numero>3</numero>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2007-90282021000300006&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2007-90282021000300006&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2007-90282021000300006&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen: Los Agaves son nativos de América y tienen diferentes usos, entre los que destacan la obtención de fibras y elaboración de bebidas alcohólicas; esto ha ocasionado una considerable disminución en las poblaciones silvestres; por lo que, el objetivo fue caracterizar morfológicamente cápsulas y semillas, y evaluar el desarrollo de la plántula de maguey sacatoro (Agave angustifolia Haw.) colectadas en diferentes sitios del centro y norte del estado de Guerrero, México, para su propagación por semilla. Para el análisis morfométrico se empleó un diseño de un solo factor (Localidad) y para las variables de calidad de semilla, un análisis bifactorial (localidad y tiempo de inmersión). Los resultados obtenidos se sometieron a análisis de varianza y pruebas de medias (Tukey, p &#8804; 0.05). Se tomaron peso, altura y ancho de las cápsulas y semillas. Se realizó la prueba de germinación estándar y la viabilidad con la prueba del tetrazolio. Posteriormente, se evaluó el desarrollo de plántula; en tres tiempos de inmersión en agua (0, 24 y 48 h) y se realizaron mediciones en raíz, hoja y tallo. Motuapa presentó cápsulas con mayor número de semillas y semillas normales (241 y 140, respectivamente). Las cápsulas de mayor longitud la presentaron Atetetla, Motuapa y los Amates (5.37 ± 0.50, 5.10 ± 0.40 y 4.97 ± 0.36 cm, respectivamente), Ateteta tuvo mayor ancho de cápsula (2.63 ± 0.05 cm), germinación (95%) y viabilidad (89.4%). Por lo que, La producción de plántula de A. sacatoro, mediante el uso de semillas puede ser una alternativa viable.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract: Agaves are native to America and have different uses, among which the obtaining of fibers and the elaboration of alcoholic beverages stand out; This has caused a considerable decline in wild populations; Therefore, the objective was to morphologically characterize capsules and seeds, and evaluate the development of the maguey sacatoro (Agave angustifolia Haw.) seedling collected in different sites in the center and north of the state of Guerrero, Mexico, for their propagation by seed. For the morphometric analysis a single factor design (Locality) was used and for the seed quality variables, a bifactorial analysis (locality and immersion time). The results obtained were subjected to analysis of variance and tests of means (Tukey, p &#8804; 0.05). Weight, height and width of the capsules and seeds were taken. The standard germination test and viability were performed with the tetrazolium test. Subsequently, the seedling development was evaluated; in three times of immersion in water (0, 24 and 48 h) and measurements were made in root, leaf and stem. Motuapa presented capsules with a higher number of seeds and normal seeds (241 and 140, respectively). The longest capsules were presented by Atetetla, Motuapa and Los Amates (5.37 ± 0.50, 5.10 ± 0.40 and 4.97 ± 0.36 cm, respectively), Ateteta had greater capsule width (2.63 ± 0.05 cm), germination (95%) and viability (89.4%). Therefore, the production of A. sacatoro seedling, through the use of seeds, can be a viable alternative.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Agave]]></kwd>
<kwd lng="es"><![CDATA[cápsulas]]></kwd>
<kwd lng="es"><![CDATA[reproducción sexual]]></kwd>
<kwd lng="es"><![CDATA[semillas]]></kwd>
<kwd lng="es"><![CDATA[tetrazolio]]></kwd>
<kwd lng="en"><![CDATA[Agave]]></kwd>
<kwd lng="en"><![CDATA[capsules]]></kwd>
<kwd lng="en"><![CDATA[seeds]]></kwd>
<kwd lng="en"><![CDATA[sexual reproduction]]></kwd>
<kwd lng="en"><![CDATA[tetrazolium]]></kwd>
</kwd-group>
</article-meta>
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