<?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>2730-5066</journal-id>
<journal-title><![CDATA[Agrociencia Uruguay]]></journal-title>
<abbrev-journal-title><![CDATA[Agrocienc. Urug.]]></abbrev-journal-title>
<issn>2730-5066</issn>
<publisher>
<publisher-name><![CDATA[Facultad de Agronomía - Instituto de Nacional de Investigación Agropecuaria]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2730-50662026000101308</article-id>
<article-id pub-id-type="doi">10.31285/agro.30.1728</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Morphological Characterization of Fruits and Seeds from Leucaena greggii S. Watson in Coahuila, Mexico]]></article-title>
<article-title xml:lang="es"><![CDATA[Caracterización morfológica de frutos y semillas de Leucaena greggii S. Watson en Coahuila, México]]></article-title>
<article-title xml:lang="pt"><![CDATA[Caracterização morfológica de frutos e sementes de Leucaena greggii S. Watson em Coahuila, México]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Antonio-Bautista]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Castillo-Quiroz]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Castillo]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Autónoma Agraria Antonio Narro Centro de Capacitación y Desarrollo en Tecnología de Semillas ]]></institution>
<addr-line><![CDATA[Saltillo ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Instituto Nacional de Investigaciones Forestales Agrícolas y Pecuarias (INIFAP) Campo Experimental Saltillo ]]></institution>
<addr-line><![CDATA[Saltillo ]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>00</month>
<year>2026</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>00</month>
<year>2026</year>
</pub-date>
<volume>30</volume>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.edu.uy/scielo.php?script=sci_arttext&amp;pid=S2730-50662026000101308&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.edu.uy/scielo.php?script=sci_abstract&amp;pid=S2730-50662026000101308&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.edu.uy/scielo.php?script=sci_pdf&amp;pid=S2730-50662026000101308&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract: Leucaena greggii is a native and endemic species of northeastern Mexico, distributed in semi-arid ecosystems in the states of Coahuila and Nuevo León. This taxon was recently included in the IUCN Red List of Threatened Species, requiring its protection and ex situ conservation. The study was conducted at the Botanical Garden of Antonio Narro University in Saltillo, Mexico. The objective of this research was to characterize the morphology of the pods and seeds of L. greggii. During the fruiting stage, variables such as height, canopy cover, and stem diameter were recorded for each of the four trees. From each tree, 65 pods were collected, and their length, width, weight, shape, and color were measured. For 100 seeds from each tree, the variables length, width, thickness, weight, shape, and color were also recorded. Descriptive statistics and Pearson&#8217;s correlation analysis at a 5% probability level were performed for each quantified variable in pods and seeds. The results showed that the pods had an average length of 17.92 cm, width of 12.68 mm, and weight of 0.002 kg, with an elongated shape and mustard-brown color (YR 7/8). The seeds measured 9.30 mm in length, 6.84 mm in width, and 1.94 mm in thickness, weighed 0.086 mg, and had an oblong or elongated shape with a dark-brown color (YR 4/6). The number of seeds per kg was 12,155.44. This study found a positive and significant correlation between the length-weight and length-width variables for both seeds and pods.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen: Leucaena greggii es una especie nativa y endémica del noreste de México distribuida en ecosistemas semiáridos en los estados de Coahuila y Nuevo León, México. Recientemente este taxón ha sido incluido en la Lista Roja de Especies Amenazadas de la UICN, por lo que requiere su protección y conservación ex situ. El estudio se realizó en el Jardín Botánico de la Universidad Antonio Narro en Saltillo, México. El objetivo de esta investigación fue realizar la caracterización morfológica de las vainas y semillas de L. greggii. Se evaluaron cuatro árboles en etapa de fructificación y se tomaron las variables altura, cobertura y diámetro del tallo de cada árbol. Se recolectaron 65 vainas por árbol y se midió la longitud, ancho, peso de la vaina, forma y color; de la semilla se midió longitud, ancho, espesor, peso, forma y color. Se realizaron estadísticos descriptivos a cada una de las variables cuantificadas, y análisis de correlación de Pearson a 5% de probabilidad. Los resultados encontrados muestran que la vaina presentó valores promedio para longitud de 17,92 cm, ancho 12,68 mm, peso de 0,002 kg, de color marrón mostaza (YR 7/8) y de forma elongada. Las dimensiones en la semilla fueron para longitud 9,30 mm, ancho 6,84 mm, espesor 1,94 mm, peso 0,086 mg, de color marrón obscuro (YR 4/6) y con forma oblonga o elongada. El número de semillas por kg en promedio es de 12.155,44. Se detectó una correlación positiva y significativa entre las variables longitud-peso y longitud-ancho tanto para semillas como en vainas.]]></p></abstract>
<abstract abstract-type="short" xml:lang="pt"><p><![CDATA[Resumo: Leucaena greggii é uma espécie nativa e endémica do nordeste do México, distribuída em ecossistemas semiáridos nos estados de Coahuila e Nuevo León. Este táxon foi recentemente incluído na Lista Vermelha de Espécies Ameaçadas da IUCN, necessitando de proteção e conservação ex situ. Este estudo foi realizado no Jardim Botânico da Universidade Antonio Narro, em Saltillo, México. O objetivo desta investigação foi caracterizar a morfologia das vagens e sementes de L. greggii. Foram avaliadas quatro árvores em fase de frutificação, tendo sido registadas as seguintes variáveis para cada árvore: altura, cobertura da copa e diâmetro do caule. Foram recolhidas sessenta e cinco vagens, e o seu comprimento, largura, peso, forma e cor foram medidos. Para as sementes, foram também medidos o seu comprimento, largura, espessura, peso, forma e cor. Foram realizadas estatísticas descritivas para cada uma das variáveis quantificadas, e a análise de correlação de Pearson foi conduzida com um nível de significância de 5%. Os resultados mostraram que as vagens apresentaram um comprimento médio de 17.92 cm, uma largura de 12.68 mm, um peso de 0.002 kg e uma cor castanho-mostarda alongada (YR 7/8). As sementes mediram 9,30 mm de comprimento, 6.84 mm de largura e 1.94 mm de espessura, pesaram 0.086 mg e apresentaram uma forma oblonga ou alongada e uma cor castanho-escuro (YR 4/6). O número de sementes por kg foi de 12,155.44. Observou-se uma correlação positiva e significativa entre as variáveis comprimento-peso e comprimento-largura, tanto para as sementes como para as vagens.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[forage]]></kwd>
<kwd lng="en"><![CDATA[endangered species]]></kwd>
<kwd lng="en"><![CDATA[conservation]]></kwd>
<kwd lng="en"><![CDATA[semi-arid zones]]></kwd>
<kwd lng="es"><![CDATA[forraje]]></kwd>
<kwd lng="es"><![CDATA[especie en peligro]]></kwd>
<kwd lng="es"><![CDATA[conservación]]></kwd>
<kwd lng="es"><![CDATA[zonas semiáridas]]></kwd>
<kwd lng="pt"><![CDATA[forragem]]></kwd>
<kwd lng="pt"><![CDATA[espécies ameaçadas]]></kwd>
<kwd lng="pt"><![CDATA[conservação]]></kwd>
<kwd lng="pt"><![CDATA[zonas semiáridas]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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