<?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>0120-0135</journal-id>
<journal-title><![CDATA[Revista de Ciencias Agrícolas]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. Cienc. Agr.]]></abbrev-journal-title>
<issn>0120-0135</issn>
<publisher>
<publisher-name><![CDATA[Universidad de Nariño]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0120-01352020000200049</article-id>
<article-id pub-id-type="doi">10.22267/rcia.203702.137</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Low-temperature applied to rice seed storage: an efficient protection method against fungal contamination]]></article-title>
<article-title xml:lang="es"><![CDATA[Temperatura baja aplicada al almacenamiento de semillas de arroz: Eficaz método de protección contra la contaminación por hongos]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Souza Aguiar]]></surname>
<given-names><![CDATA[Raimundo Wagner]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rocha Brito]]></surname>
<given-names><![CDATA[Deyvid]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Nascimento]]></surname>
<given-names><![CDATA[Vitor L.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ribeiro Fidelis]]></surname>
<given-names><![CDATA[Rodrigo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Pereira de Souza Ferreira]]></surname>
<given-names><![CDATA[Talita]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rodrigues Santos]]></surname>
<given-names><![CDATA[Gil]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidade Federal do Tocantins  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Brazil</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidade Federal do Tocantins  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Brazil</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidade Federal do Tocantins  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Brazil</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Universidade Federal do Tocantins  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Brazil</country>
</aff>
<aff id="Af5">
<institution><![CDATA[,Universidade Federal do Tocantins  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Brazil</country>
</aff>
<aff id="Af6">
<institution><![CDATA[,Universidade Federal do Tocantins  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Brazil</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2020</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2020</year>
</pub-date>
<volume>37</volume>
<numero>2</numero>
<fpage>49</fpage>
<lpage>55</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_arttext&amp;pid=S0120-01352020000200049&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_abstract&amp;pid=S0120-01352020000200049&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_pdf&amp;pid=S0120-01352020000200049&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT Low-temperatures have long been thought to enhance seed health during storage. Here, we tested the effect of low-temperature on the mycoflora associated with rice seeds. Seeds of the IRGA 423 and 424 cultivars were stored in refrigeration (8 and -50°C) or at room temperature (25 ± 10°C). Following storage (1, 45, and 90 days) was investigated the fungi associated with the seeds. We found that low-temperature stored seeds had a lower fungal load than the seeds at room temperature for both cultivars. After 90 days of storage, there is a decrease in its incidence rate average of more than 85% in the lower temperature (-50°C). All mycroflora was eliminated at 90 days except for Fusarium sp. The Trichoderma sp. was detected only in IRGA 423 seeds, whereas all other fungi were detected in the treatments in both cultivars. Only Bipolaris sp. was observed in seed-to-seedlings transmission analyses, in both cultivars, at 8°C, and was not detected at -50°C. Based on our results, we recommend low-temperature storage (at -50ºC) of rice seeds.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN Las bajas temperaturas han sido pensadas para mejorar la calidad de las semillas durante el almacenamiento desde hace mucho tiempo. Nosotros hicimos un test sobre el efecto que tienen las bajas temperaturas en la micoflora asociada con las semillas de arroz. Las semillas de los cultivos IRGA 423 y 424 se almacenaron en refrigeración (8 y -50°C), o en temperatura ambiente (25 ± 10°C). Con el seguimiento del almacenamiento (1, 45 y 90 días), se investigó el hongo asociado con las semillas. Encontramos que, para ambos cultivos, las semillas almacenadas a bajas temperaturas presentaron más baja carga de hongos que las almacenadas en temperatura ambiente. Después de 90 días, en almacenamiento a baja temperatura hay una disminución en el promedio de su tasa de incidencia de más del 85% (-50°C). Toda la micoflora fue eliminada después de 9º días exceptuando por Fusarium sp. La Trichoderma sp. Se detectó únicamente en las semillas del IRGA 423, mientras que todos los demás hongos se detectaron en los tratamientos de ambos cultivos. Sólo se observó Bipolaris sp. en los análisis de transmisión entre semillas en ambos cultivos, a 8ºC, y no se detectó a -50ºC. Basándonos en nuestros resultados, recomendamos el almacenamiento a baja temperatura (a -50ºC) de las semillas de arroz.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[disinfection method]]></kwd>
<kwd lng="en"><![CDATA[mycoflora phytopathology]]></kwd>
<kwd lng="en"><![CDATA[refrigeration]]></kwd>
<kwd lng="en"><![CDATA[seed protection]]></kwd>
<kwd lng="en"><![CDATA[Oryza sativa L.]]></kwd>
<kwd lng="es"><![CDATA[método de desinfección]]></kwd>
<kwd lng="es"><![CDATA[fitopatología de la micoflora]]></kwd>
<kwd lng="es"><![CDATA[refrigeración]]></kwd>
<kwd lng="es"><![CDATA[protección de semillas]]></kwd>
<kwd lng="es"><![CDATA[Oryza sativa L.]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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