<?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>0871-018X</journal-id>
<journal-title><![CDATA[Revista de Ciências Agrárias]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. de Ciências Agrárias]]></abbrev-journal-title>
<issn>0871-018X</issn>
<publisher>
<publisher-name><![CDATA[Sociedade de Ciências Agrárias de Portugal]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0871-018X2024000100241</article-id>
<article-id pub-id-type="doi">10.19084/rca.34966</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Uso de hidrolatos de plantas aromáticas para el control de cuatro especies de malas hierbas]]></article-title>
<article-title xml:lang="en"><![CDATA[Use of hyrolates from aromatic plants for the control of four weed species]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Navarro]]></surname>
<given-names><![CDATA[Juliana]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Gimeno]]></surname>
<given-names><![CDATA[David]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Pueyo]]></surname>
<given-names><![CDATA[Jorge]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Villar]]></surname>
<given-names><![CDATA[Mª Pilar]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Pardo]]></surname>
<given-names><![CDATA[Gabriel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Cirujeda]]></surname>
<given-names><![CDATA[Alicia]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Centro de Investigación y Tecnología Agroalimentaria de Aragón Departamento de Ciencia Vegetal ]]></institution>
<addr-line><![CDATA[Zaragoza ]]></addr-line>
<country>España</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Centro de Investigación y Tecnología Agroalimentaria de Aragón Departamento de Sistemas Agrícolas, Forestales y Medio Ambiente ]]></institution>
<addr-line><![CDATA[Zaragoza ]]></addr-line>
<country>España</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad de Zaragoza CITA Instituto Agroalimentario de Aragón-IA2]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Spain</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>03</month>
<year>2024</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>03</month>
<year>2024</year>
</pub-date>
<volume>47</volume>
<numero>1</numero>
<fpage>241</fpage>
<lpage>250</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.pt/scielo.php?script=sci_arttext&amp;pid=S0871-018X2024000100241&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.pt/scielo.php?script=sci_abstract&amp;pid=S0871-018X2024000100241&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.pt/scielo.php?script=sci_pdf&amp;pid=S0871-018X2024000100241&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen Durante el proceso de destilación de plantas aromáticas se genera un subproducto líquido llamado hidrolato que, en condiciones in vitro, se sabe que tiene propiedades herbicidas. El siguiente paso para estudiar una posible actividad antigerminante sería utilizar el producto en condiciones de invernadero. Para ello se realizaron tres ensayos, en grandes macetas, utilizando hidrolatos de lavanda (Lavandula intermedia var. Súper) y de Artemisia absinthium a dos dosis diferentes. Como especies diana se sembraron Echinochloa crus-galli (L.) P. Beauv., Sonchus oleraceus L., Datura stramonium L. y Conyza bonariensis (L.) Cronq. En los tres ensayos se utilizaron las mismas poblaciones de arvenses y se hicieron 4 repeticiones por tratamiento. Los resultados mostraron una reducción de la emergencia más o menos acusada en las 4 especies al aplicar ambos hidrolatos ya desde la menor dosis. Las arvenses más sensibles a los hidrolatos fueron S. oleraceus y C. bonariensis con una reducción de la emergencia que osciló entre un 8 y un 100% dependiendo del ensayo sin una marcada diferencia en el tipo de hidrolato. La emergencia de E. crus-galli fue la menos afectada por la acción de los hidrolatos. La baja tasa de emergencia de D. stramonium en dos de los ensayos y los resultados algo irregulares en el otro requieren de una repetición de los ensayos tratando de analizar algunos factores en mayor detalle, como el riego, que pudo haber causado el lavado de la fracción bioactiva del hidrolato.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract During the distillation process of aromatic plants a liquid byproduct so called hydrolate is produced which is known to have some herbicidal activity in vitro. The next step to study a possible inhibition of germination would be to use the product in greenhouse conditions. With this aim three trials were carried out in big pots using hydrolates of lavender (Lavandula intermedia var. Super) and of Artemisia absinthium at two different rates. As target weed species Echinochloa crus-galli (L.) P. Beauv., Sonchus oleraceus L., Datura stramonium L. and Conyza bonariensis (L.) Cronq. were seeded. The same weed populations were used in the three trials and 4 replicates were conducted. The results showed a more or less pronounced reduction in weed emergence depending on the species already at the lower rates of the hydrolates. The most susceptible species were S. oleraceus and Conyza bonariensis with an emergence reduction between 8 and 100% depending on the trial without a marked difference in the type of hydrolate. E. crus-galli was the least affected by the action of hydrolates. The low emergence of D. stramonium in two of the trials and quite irregular results in the other suggest that more trials should be conducted focusing on analysing some of the factors more in detail such as the irrigation, that could have washed out the bioactive fraction of the hydrolates.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[alelopatía]]></kwd>
<kwd lng="es"><![CDATA[fitotoxicidad]]></kwd>
<kwd lng="es"><![CDATA[herbicida natural]]></kwd>
<kwd lng="es"><![CDATA[reducción de emergencia]]></kwd>
<kwd lng="es"><![CDATA[bioherbicidas]]></kwd>
<kwd lng="en"><![CDATA[allelopathy]]></kwd>
<kwd lng="en"><![CDATA[phytotoxicity]]></kwd>
<kwd lng="en"><![CDATA[natural herbicide]]></kwd>
<kwd lng="en"><![CDATA[emergence reduction]]></kwd>
<kwd lng="en"><![CDATA[bioherbicides]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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