<?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>0120-2812</journal-id>
<journal-title><![CDATA[Acta Agronómica]]></journal-title>
<abbrev-journal-title><![CDATA[Acta Agron.]]></abbrev-journal-title>
<issn>0120-2812</issn>
<publisher>
<publisher-name><![CDATA[Universidad Nacional de Colombia]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0120-28122021000300311</article-id>
<article-id pub-id-type="doi">10.15446/acag.v70n3.92093</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Image analysis for the evaluation of soybean seeds vigor]]></article-title>
<article-title xml:lang="es"><![CDATA[Análisis de imágenes para la evaluación del vigor de semillas de soja]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Barros Brandan]]></surname>
<given-names><![CDATA[Erich]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Oliveira Silva Souza]]></surname>
<given-names><![CDATA[Nara]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Mattioni]]></surname>
<given-names><![CDATA[Nilson Matheus]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Fernandes de Jesus Souza]]></surname>
<given-names><![CDATA[Flívia]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Michelle Souza Vilela]]></surname>
<given-names><![CDATA[Flívia]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Marques]]></surname>
<given-names><![CDATA[Érica Alves]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[de Souza-Ferreira]]></surname>
<given-names><![CDATA[Wallas Felippe]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidade de Brasilia  ]]></institution>
<addr-line><![CDATA[Asa Norte Brasilia]]></addr-line>
<country>Brasil</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidade Federal de Santa Maria  ]]></institution>
<addr-line><![CDATA[Santa Maria ]]></addr-line>
<country>Brazil</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Empresa Tbit Sistemas e Tecnologías  ]]></institution>
<addr-line><![CDATA[Lavras ]]></addr-line>
<country>Brasil</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>09</month>
<year>2021</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>09</month>
<year>2021</year>
</pub-date>
<volume>70</volume>
<numero>3</numero>
<fpage>311</fpage>
<lpage>316</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_arttext&amp;pid=S0120-28122021000300311&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_abstract&amp;pid=S0120-28122021000300311&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_pdf&amp;pid=S0120-28122021000300311&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract The search for time and human subjectivity reduction in the analysis of the physiologic potential of seeds has brought forward the use of computerized systems as an alternative. The goal of this research was to assess the effectiveness of the GroundEye equipment in the characterization of soybean seeds vigor by using the image analysis technique in comparison to the information provided by vigor tests recommended to soybean seeds. Sixteen lots of two soybean varieties were used - variety 98Y12 and P98Y70, characterized by the following tests: germination test, accelerated ageing test, cold test, tetrazolium test, and seedling emergence in the field. The image analysis was performed using the GroundEye software to obtain the vigor index and the average length of seedlings and roots for a later comparison with the results of the accelerated ageing test and the manual measurement of the average length of seedlings and roots. GroundEye has demonstrated efficiency in the determination of vigor of soybean seeds and has reduced the time needed to obtain the results in six days, being indicated in the quality control programs established by soybean seeds production companies.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen La búsqueda de la reducción del tiempo y de la subjetividad humana en el análisis del potencial fisiológico de las semillas ha planteado como alternativa el uso de sistemas informáticos. El objetivo de esta investigación es evaluar la efectividad del equipo GroundEye en la caracterización del vigor de semillas de soja mediante la técnica de análisis de imágenes en comparación con la información proporcionada por las pruebas de vigor recomendadas para semillas de soja. Se utilizaron dieciséis lotes de dos variedades de soja, la variedad 98Y12 y P98Y70, caracterizaron por las siguientes pruebas: prueba de germinación, ensayo de envejecimiento acelerado, prueba de frío, prueba de tetrazolio, y emergencia de plántulas en el campo. El análisis de imágenes se realiza mediante el software GroundEye para obtener el índice de vigor y la longitud promedio de plántulas y raíces para su posterior comparación con los resultados de la prueba de envejecimiento acelerado y la medición manual de la longitud promedio de plántulas y raíces. GroundEye ha demostrado eficiencia en la determinación del vigor de semillas de soja y ha reducido el tiempo necesario para obtener los resultados en seis días, siendo indicado en los programas de control de calidad establecidos por las empresas productoras de semillas de soja.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Glycine max L.]]></kwd>
<kwd lng="en"><![CDATA[physiological quality]]></kwd>
<kwd lng="en"><![CDATA[GroundEye software]]></kwd>
<kwd lng="es"><![CDATA[Glycine max L.]]></kwd>
<kwd lng="es"><![CDATA[calidad fisiológica]]></kwd>
<kwd lng="es"><![CDATA[software GroundEye]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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