<?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>1405-2768</journal-id>
<journal-title><![CDATA[Polibotánica]]></journal-title>
<abbrev-journal-title><![CDATA[Polibotánica]]></abbrev-journal-title>
<issn>1405-2768</issn>
<publisher>
<publisher-name><![CDATA[Instituto Politécnico Nacional, Escuela Nacional de Ciencias Biológicas]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1405-27682026000100329</article-id>
<article-id pub-id-type="doi">10.18387/polibotanica.61.19</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Efecto del ácido salicílico en el incremento de biomasa y azúcares reductores en Agave cupreata y Agave salmiana]]></article-title>
<article-title xml:lang="en"><![CDATA[Effect of salicylic acid on increase of biomass and reducing sugars in Agave cupreata and Agave salmiana]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[García-Núñez]]></surname>
<given-names><![CDATA[Hilda Guadalupe]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Arzate-Fernández]]></surname>
<given-names><![CDATA[Amaury Martín]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Roque-Otero]]></surname>
<given-names><![CDATA[Ana María]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rubí-Arriaga]]></surname>
<given-names><![CDATA[Martín]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Domínguez-López]]></surname>
<given-names><![CDATA[Aurelio]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Autónoma del Estado de México Centro de Investigación y Estudios Avanzados en Fitomejoramiento Facultad de Ciencias Agrícolas]]></institution>
<addr-line><![CDATA[Toluca Estado de México]]></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>
<numero>61</numero>
<fpage>329</fpage>
<lpage>342</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S1405-27682026000100329&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S1405-27682026000100329&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S1405-27682026000100329&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[ Resumen El agave es una planta suculenta rica en azúcares naturales lo que la hace ideal para la producción de bebidas espirituosas, entre las que destaca el tequila, mezcal, bacanora y pulque. La principal materia prima para producir estas bebidas son las piñas o tallos que contienen azúcares fermentables. La cantidad y tipo de azúcares contenidos en el tallo determina la calidad del alcohol producido en estas plantas. La producción del agave es limitada debido a que, su ciclo reproductivo es muy largo (7-35 años) y dependiendo de la especie, dichas piñas se cosechan cuando alcanzan la madurez óptima. Ante esta problemática, es importante buscar estrategias eficientes y ecológicas para acelerar el crecimiento y biomasa de estas plantas, en este sentido se ha reportado que el ácido salicílico (AS) es una hormona vegetal que juega un papel muy importante en la regulación del crecimiento y desarrollo de las plantas. Además, participa en algunos mecanismos que influyen en el incremento de la biomasa. Por lo que, su aplicación podría potenciar el metabolismo del agave. El objetivo del presente trabajo fue evaluar el efecto de diferentes concentraciones de AS en el crecimiento, incremento de biomasa y azúcares reductores en plantas de Agave cupreata y A. salmiana, cultivadas en un sistema semi-hidropónico bajo condiciones de invernadero, donde todas las plantas se evaluaron plantas en igualdad de condiciones de nutrición. Después de 8 meses de cultivo, se colectaron tanto las hojas, tallos como la raíz de las plantas para evaluar el efecto del AS en las características morfológicas, así como la cantidad de materia orgánica seca y cuantificación de azúcares reductores. El AS tuvo un efecto diferencial en las dos especies de agave evaluadas; en el tallo de A. cupreata se observó un incremento significativo en la materia orgánica seca cuando se aplicó 1 µM, mientras que en A. salmiana mostró una alta concentración de materia seca orgánica en la raíz cuando se aplicó 3.6 µM de AS. El incremento significativo de azucares reductores (72 g/100 g) se presentó en el tallo y hojas de Agave salmiana con 1 µM de AS, siendo la hoja la que mostró el mayor incremento de biomasa en ambas especies de agave. El crecimiento, la biomasa y la concentración de azúcares reductores disminuyeron como un efecto negativo con la concentración más alta de AS (7.2 µM). En este estudio, la aplicación de bajas concentraciones de ácido salicílico demostró influir positivamente en el incremento de la biomasa y en la cantidad de azúcares reductores de las plantas de agave, mientras que en concentraciones altas el AS produce un efecto inhibidor de estas variables. Por otra parte, la producción de plantas de agave bajo condiciones de invernadero en sistemas semi-hidropónicos, es una estrategia que puede ayudar a las plantas a potenciar su velocidad de crecimiento e incrementar su biomasa lo cual implica, la obtención de azucares reductores en menos tiempo, al hacer más eficiente la fotosíntesis, además, optimiza el ahorro del agua en el riego, como una estrategia ecológica que ayuda a cuidar este recurso natural. Este estudio constituye el primer reporte de la aplicación de AS en plantas con metabolismo CAM.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  Agave is a succulent plant rich in natural sugars, making it ideal for the production of spirits, most notably tequila, mezcal, bacanora, and pulque. The main raw material for producing these beverages is the stem, or heart of the agave, which contain fermentable sugars. The quantity and type of sugars in thestem determine the quality of the alcohol produced. Agave production is limited because its reproductive cycle is very long (7-35 years), and depending on the species, the stems are harvested when they reach optimal maturity. Given this limitation, it is important to seek efficient and ecological strategies to accelerate the growth and biomass of these plants. In this regard, salicylic acid (SA) has been reported as a plant hormone that plays a crucial role in regulating plant growth and development. Furthermore, it participates in some mechanisms that influence biomass increase. Therefore, its application could enhance agave metabolism. The objective of this study was to evaluate the effect of different concentrations of salicylic acid (AS) on the growth, biomass increase, and reducing sugars in Agave cupreata and A. salmiana plants cultivated in a semi-hydroponic system under greenhouse conditions, where all plants were evaluated under identical nutritional conditions. After 8 months of cultivation, leaves, stems, and roots were collected to assess the effect of AS on morphological characteristics, as well as the amount of dry organic matter and reducing sugars. AS had a differential effect on the two agave species evaluated; in the stem of A. cupreata, a significant increase in dry organic matter was observed when 1 µM was applied, while in A. salmiana, a high concentration of dry organic matter was observed in the root when 3.6 µM of AS was applied. A significant increase in reducing sugars (72 g/100 g) was observed in the stem and leaves of Agave salmiana with 1 µM of salicylic acid (SA), with the leaves showing the greatest increase in biomass in both agave species. Growth, biomass, and reducing sugar concentration decreased negatively with the highest SA concentration (7.2 µM). In this study, the application of low concentrations of salicylic acid positively influenced the increase in biomass and reducing sugar content of agave plants, while at high concentrations, SA had an inhibitory effect on these variables. Furthermore, the production of agave plants under greenhouse conditions in semi-hydroponic systems is a strategy that can help plants accelerate their growth rate and increase their biomass. This translates to faster production of reducing sugars by making photosynthesis more efficient. Additionally, it optimizes water conservation during irrigation, serving as an environmentally friendly strategy to help protect this natural resource. This study constitutes the first report of the application of SA and semi-hydroponic systems in plants with CAM metabolism.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Agave]]></kwd>
<kwd lng="es"><![CDATA[Biomasa]]></kwd>
<kwd lng="es"><![CDATA[Ácido salicílico]]></kwd>
<kwd lng="es"><![CDATA[Azúcares]]></kwd>
<kwd lng="en"><![CDATA[Agave]]></kwd>
<kwd lng="en"><![CDATA[Biomass]]></kwd>
<kwd lng="en"><![CDATA[Salicylic Acid]]></kwd>
<kwd lng="en"><![CDATA[Sugars]]></kwd>
</kwd-group>
</article-meta>
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<article-title xml:lang=""><![CDATA[Effect of Salicylic Acid on Gwoth, nutritional Status, and performance of Maize (Zea mays)]]></article-title>
<source><![CDATA[Agrociencia]]></source>
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<volume>51</volume>
<numero>7</numero>
<issue>7</issue>
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