<?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>0873-3015</journal-id>
<journal-title><![CDATA[Millenium - Journal of Education, Technologies, and Health]]></journal-title>
<abbrev-journal-title><![CDATA[Mill]]></abbrev-journal-title>
<issn>0873-3015</issn>
<publisher>
<publisher-name><![CDATA[Instituto Politécnico de Viseu (IPV)]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0873-30152020000300029</article-id>
<article-id pub-id-type="doi">10.29352/mill0213.03.00279</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Effects of &#8220;sargaço&#8221; extraction residues on seed germination.]]></article-title>
<article-title xml:lang="pt"><![CDATA[Efeito dos resíduos extrativos de sargaço na germinação de sementes.]]></article-title>
<article-title xml:lang="es"><![CDATA[Efectos de los residuos de extracción de "sargazo" en la germinación de semillas.]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Sousa]]></surname>
<given-names><![CDATA[Tiago]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Cotas]]></surname>
<given-names><![CDATA[João]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Bahcevandziev]]></surname>
<given-names><![CDATA[Kiril]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Pereira]]></surname>
<given-names><![CDATA[Leonel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,University of Coimbra Faculty of Sciences and Technology Marine and Environmental Sciences Centre]]></institution>
<addr-line><![CDATA[Coimbra ]]></addr-line>
<country>Portugal</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,University of Coimbra Department of Life Sciences ]]></institution>
<addr-line><![CDATA[Coimbra ]]></addr-line>
<country>Portugal</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Polytechnic Institute of Coimbra College of Agriculture, IIA - Institute of Applied Research Research Centre for Natural Resources, Environment and Society]]></institution>
<addr-line><![CDATA[Coimbra ]]></addr-line>
<country>Portugal</country>
</aff>
<pub-date pub-type="pub">
<day>30</day>
<month>12</month>
<year>2020</year>
</pub-date>
<pub-date pub-type="epub">
<day>30</day>
<month>12</month>
<year>2020</year>
</pub-date>
<numero>13</numero>
<fpage>29</fpage>
<lpage>37</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.pt/scielo.php?script=sci_arttext&amp;pid=S0873-30152020000300029&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.pt/scielo.php?script=sci_abstract&amp;pid=S0873-30152020000300029&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.pt/scielo.php?script=sci_pdf&amp;pid=S0873-30152020000300029&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  Introduction:  The &#8220;Sargaço&#8221; is a mixture of seaweeds that grow on the rocks of the Minho coast and the seaweeds during their development synthesize different metabolites. During the seaweed extraction process, some of these metabolites are not taken, thus not promoting the circular economy.  Objectives:  This work aimed to evaluate the seed germination potential of the residues discarded from aqueous extraction process of &#8220;Sargaço&#8221;. Providing a potential use to the undervalued sub product of the extraction it was used bean cv.  Methods:  Torino (Phaseolus vulgaris) and kale (Brassica oleracea var. acephala) seeds in assays with the following treatments of residues: control (C), &#8220;Sargaço&#8221; harvested in 2017 with (W) and without the washing process (NW), and the same for the &#8220;Sargaço&#8221; harvested in 2018 (W and NW). During the experiment, the emergence rate, the germination rate and the total weight difference, were recorded. At the end, the root and shoot length were measured as well as fresh plantlet weight.  Results:  In bean, the treatment with washed &#8220;Sargaço&#8221; 2018 was the only one showing seed germination (C = 60%; W2018 = 32%) beyond the control and with better results in the radicular weight than control (C= 0,0350 g; W2018= 0,299 g). In kale, only the washed &#8220;sargaço&#8221; 2017 had a germination rate like the control (C=80%, W2017=64%) and the overall weight was better (C= 0,0026 g, W2017= 0,0102 g).  Conclusions:  The washed residues produced the best results comparatively which is probably due to the higher salinity of the unwashed residues.]]></p></abstract>
<abstract abstract-type="short" xml:lang="pt"><p><![CDATA[Resumo  Introdução:  O Sargaço é uma mistura de várias macroalgas que crescem nas rochas do litoral minhoto e que produzem vários metabolitos. Durante o processo de extração de macroalgas, alguns desses metabólitos não são aproveitados, não promovendo assim a economia circular.  Objetivos: Este trabalho teve como objetivo avaliar o potencial de germinação de sementes utilizando o subproduto do processo da extração aquosa de Sargaço, o substrato extrativo de macroalgas.  Métodos:  Usou-se sementes de feijão torino (Phaseolus vulgaris) e couve (Brassica oleracea var. acephala), aplicando os seguintes tratamentos: controlo (C), Sargaço recolhido em 2017 e 2018, com e sem o processo de lavagem (CL e SL, respetivamente). Durante o ensaio, foi estudada a taxa de emergência, a taxa de germinação e as diferenças de peso total. No final do ensaio, o comprimento da raiz e da parte aérea das plântulas foi avaliado e o mesmo para o peso fresco.  Resultados:  No feijão, o tratamento com Sargaço com lavagem 2018 foi o único a apresentar germinação (C = 60%; CL2018 = 32%) além do controlo. O Sargaço com lavagem 2018 obteve resultados superiores no peso radicular em relação ao controlo (C = 0,0350 g; CL2018 = 0,299 g). Na couve, apenas o Sargaço com lavagem 2017 apresentou uma taxa de germinação semelhante ao controlo (C = 80%, CL2017 = 64%) e o peso total foi melhor (C = 0,0026 g, CL2017 = 0,0102 g).  Conclusões:  No final, ficou claro que os resíduos das macroalgas têm potencial para estimular a germinação das sementes, mas somente se os resíduos forem lavados.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen  Introducción:  El sargazo es una mezcla de varias especies de macroalgas que crecen en las rocas de la costa de Minho y que sintetizan diferentes metabolitos durante su desarrollo. Durante el proceso de extracción de macroalgas, algunos de estos metabolitos no se utilizan, lo que no promueve la economía circular.  Objetivos:  Este trabajo tuvo como objetivo evaluar el potencial de germinación de semillas de los residuos descartados del proceso de extracción acuosa de &#8220;Sargazo&#8221;. Proporcionar un uso potencial al subproducto infravalorado de la extracción.  Métodos:  Fue utilizado frijol cv. semillas de torino (Phaseolus vulgaris) y col rizada (Brassica oleracea var. acephala) en ensayos con los siguientes tratamientos de residuos &#8220;Sargazo&#8221; cosechados en 2017 y 2018, con y sin el proceso de lavado (CL y SL). Durante la prueba, verificamos la tasa de emergencia, la tasa de germinación y la diferencia de peso total. Al final se midió la longitud de la raíz y el brote y lo mismo para el peso fresco.  Resultados:  En frijol, el tratamiento con &#8220;Sargazo&#8221; lavado 2018 fue el único que presentó germinación (C = 60%; CL2018 = 32%) además del control, y obtuvo resultados superiores en el peso radicular (C = 0,0350 g; CL2018 = 0,299 g). En col rizada, solo el sargazo 2017 lavado tuvo una tasa de germinación similar al control (C = 80%, CL2017 = 64%) y el peso total fue mejor (C = 0,0026 g, CL2017 = 0,0102 g).  Conclusiones:  Está claro que los residuos tienen potencial para la germinación de las semillas, pero solo si se realiza el proceso de lavado.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[seaweed]]></kwd>
<kwd lng="en"><![CDATA[residue extractive]]></kwd>
<kwd lng="en"><![CDATA[seed germination]]></kwd>
<kwd lng="en"><![CDATA[Phaseolus vulgaris]]></kwd>
<kwd lng="en"><![CDATA[Brassica oleracea var. acephala]]></kwd>
<kwd lng="pt"><![CDATA[algas]]></kwd>
<kwd lng="pt"><![CDATA[extrato sólido]]></kwd>
<kwd lng="pt"><![CDATA[germinação]]></kwd>
<kwd lng="pt"><![CDATA[Phaseolus vulgaris]]></kwd>
<kwd lng="pt"><![CDATA[Brassica oleracea var. acephala]]></kwd>
<kwd lng="es"><![CDATA[algas, residuos extractivos]]></kwd>
<kwd lng="es"><![CDATA[Germinación de semillas]]></kwd>
<kwd lng="es"><![CDATA[Phaseolus vulgaris]]></kwd>
<kwd lng="es"><![CDATA[Brassica oleracea var. acephala]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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