<?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>S0871-018X2024000100681</article-id>
<article-id pub-id-type="doi">10.19084/rca.35128</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Nuevo ensayo del grupo de &#8220;Biología y Agroecología de las Malas hierbas (BAMh)&#8221;: modelos de emergencia para malas hierbas de verano]]></article-title>
<article-title xml:lang="en"><![CDATA[New trial of the group "Weed Biology and Agroecology (BAMh)": emergence models for summer weeds]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Sousa-Ortega]]></surname>
<given-names><![CDATA[Carlos]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Royo-Esnal]]></surname>
<given-names><![CDATA[Aritz]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Escorial]]></surname>
<given-names><![CDATA[María Concepción]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Loureiro]]></surname>
<given-names><![CDATA[Iñigo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Lezáun]]></surname>
<given-names><![CDATA[Juan Antonio]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Figarola]]></surname>
<given-names><![CDATA[Jordi Izquierdo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[López-Martínez]]></surname>
<given-names><![CDATA[Nuria]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Osca]]></surname>
<given-names><![CDATA[José María]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[León]]></surname>
<given-names><![CDATA[Ana Isabel Marí]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Calha]]></surname>
<given-names><![CDATA[Isabel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Chamorro-Lorenzo]]></surname>
<given-names><![CDATA[Lourdes]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Arias-Martín]]></surname>
<given-names><![CDATA[María]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad de Sevilla Departamento de Agronomía ]]></institution>
<addr-line><![CDATA[Sevilla ]]></addr-line>
<country>Spain</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Crop protection  ]]></institution>
<addr-line><![CDATA[Syngenta Jealott&#8217;s Hill]]></addr-line>
<country>United Kingdom</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universitat de Lleida Agrotecnio-CERCA Centre Departament de Ciència i Enginyeria Forestal i Agrícola]]></institution>
<addr-line><![CDATA[Lleida ]]></addr-line>
<country>Spain</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Centro Nacional Instituto de Investigación y Tecnología Agraria y Alimentaria Departamento de Protección Vegetal ]]></institution>
<addr-line><![CDATA[Madrid ]]></addr-line>
<country>España</country>
</aff>
<aff id="Af5">
<institution><![CDATA[,Instituto Navarro de Tecnologías e Infraestructuras Agroalimentarias  ]]></institution>
<addr-line><![CDATA[Navarra ]]></addr-line>
<country>España</country>
</aff>
<aff id="Af6">
<institution><![CDATA[,Universitat Politècnica de Catalunya Departament d&#8217;Enginyeria Agroalimentària i Biotecnologia ]]></institution>
<addr-line><![CDATA[Barcelona ]]></addr-line>
<country>Spain</country>
</aff>
<aff id="Af7">
<institution><![CDATA[,Universitat Politècnica de València Departamento de Producción Vegetal ]]></institution>
<addr-line><![CDATA[Valencia ]]></addr-line>
<country>Spain</country>
</aff>
<aff id="Af8">
<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="Af9">
<institution><![CDATA[,Instituto Nacional de Investigação Agrária e Veterinária  ]]></institution>
<addr-line><![CDATA[Oeiras ]]></addr-line>
<country>Portugal</country>
</aff>
<aff id="A10">
<institution><![CDATA[,Universitat de Barcelona Institut de Recerca de la Biodiversitat Departament de Biologia, Ecologia i Ciències Ambientals]]></institution>
<addr-line><![CDATA[Barcelona ]]></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>681</fpage>
<lpage>690</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.pt/scielo.php?script=sci_arttext&amp;pid=S0871-018X2024000100681&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.pt/scielo.php?script=sci_abstract&amp;pid=S0871-018X2024000100681&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.pt/scielo.php?script=sci_pdf&amp;pid=S0871-018X2024000100681&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen El grupo de Biología y Agroecología de las Malas Hierbas (BAMh) de la Sociedad Española de Malherbología (SEMh) está actualmente integrado por 15 personas que trabajan en 4 universidades; Universitat de Lleida (UdL), Universitat Politècnica de València (UPV), Universidad de Sevilla (US) y Universitat Politècnica de Catalunya (UPC) y en 5 centros de investigación de España y Portugal: el Centro de Investigación y Tecnología Agraria de Aragón (CITA), el CN Instituto Nacional de Investigaciones y Técnología Agraria y Alimentaria (INIA-CSIC), el Centro de Investigaciones Científicas y Tecnológicas de Extremadura (CICYTEX), el Instituto Andaluz de Investigación y Formación Agraria, Pesquera, Alimentaria y de la Producción Ecológica (IFAPA), el Instituto Navarro de Tecnologías e Infraestructuras Agroalimentaria (INTIA) y el Instituto Nacional de Investigação Agrária e Veterinária (INIAV). Se ha planteado un nuevo ensayo (2023-2025) para validar en la Península Ibérica los modelos de emergencia desarrollados en Italia para las malas hierbas Chenopodium album L., Sorghum halepense L., Abutilon theophrasti Medik., Echinochloa crus-galli (L.) Beauv., Digitaria sanguinalis (L.) Scop. y Amaranthus retroflexus L. Las semillas recogidas en 2023 se sembraran a mediados de otoño en parcelas experimentales de Aragón, Barcelona, Sevilla, Córdoba, Lleida, Madrid, Valencia, Navarra y Oeiras (Portugal). Se evaluará la emergencia y se obtendrá en condiciones controladas, la temperatura base, óptima, techo y el potencial hídrico base de las especies cuya germinación no se ajuste al modelo. La recalibración de estos modelos para la Península Iberica contribuirá a conseguir un adecuado manejo integrado de las malas hierbas en cultivos de verano.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract The Weed Biology and Agroecology group (BAMh) of the Spanish Society of Weed Science (SEMh) is currently composed of 15 people working in 4 universities; Universitat de Lleida (UdL), Universitat Politècnica de València (UPV), Universidad de Sevilla (US) and Universitat Politècnica de Catalunya (UPC) and in 5 research centers in Spain and Portugal: Centro de Investigación y Tecnología Agraria de Aragón (CITA), CN Instituto Nacional de Investigaciones y Tecnología Agraria y Alimentaria (INIA-CSIC), Centro de Investigaciones Científicas y Tecnológicas de Extremadura (CICYTEX), Instituto Andaluz de Investigación y Formación Agraria, Pesquera, Alimentaria y de la Producción Ecológica (IFAPA), Instituto Navarro de Tecnologías e Infraestructuras Agroalimentaria (INTIA) and Instituto Nacional de Investigação Agrária e Veterinária (INIAV). This group has initiated a new trial (2023-2025) to validate for the Iberian Peninsula the emergence models developed in Italy for the weeds Chenopodium album L., Sorghum halepense L., Abutilon theophrasti Medik, Digitaria sanguinalis (L.) Scop. and Amaranthus retroflexus L. The seeds collected by the groups at their locations will be sown in mid-autumn in experimental plots in Aragón, Barcelona, Sevilla, Córdoba, Lleida, Madrid, Valencia, Navarra and Oeiras (Portugal). The emergence will be evaluated and the base, optimum and ceiling temperatures and the base water potential will be obtained under controlled conditions for the germination of those species that do not fit the model. The recalibration and optimization of these models for their application in the Iberian Peninsula will contribute to achieve an integrated management of weeds in summer crops.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Chenopodium album]]></kwd>
<kwd lng="es"><![CDATA[Sorghum halepense]]></kwd>
<kwd lng="es"><![CDATA[Abutilon theophrasti]]></kwd>
<kwd lng="es"><![CDATA[Echinochloa crus-galli]]></kwd>
<kwd lng="es"><![CDATA[Digitaria sanguinalis]]></kwd>
<kwd lng="es"><![CDATA[Amaranthus retroflexus]]></kwd>
<kwd lng="en"><![CDATA[Chenopodium album]]></kwd>
<kwd lng="en"><![CDATA[Sorghum halepense]]></kwd>
<kwd lng="en"><![CDATA[Abutilon theophrasti]]></kwd>
<kwd lng="en"><![CDATA[Echinochloa crus-galli]]></kwd>
<kwd lng="en"><![CDATA[Digitaria sanguinalis]]></kwd>
<kwd lng="en"><![CDATA[Amaranthus retroflexus]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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