<?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>S0871-018X2021000300021</article-id>
<article-id pub-id-type="doi">10.19084/rca.25415</article-id>
<title-group>
<article-title xml:lang="pt"><![CDATA[Adaptabilidade e época de sementeira de milho pipoca para a região Sul do Brasil]]></article-title>
<article-title xml:lang="en"><![CDATA[Adaptability and popcorn sowing time for the southern region of Brazil]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Sangiovo]]></surname>
<given-names><![CDATA[Mateus Junior Rodrigues]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Basso]]></surname>
<given-names><![CDATA[Claudir José]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Souza]]></surname>
<given-names><![CDATA[Fernanda Marcolan De]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Feltes]]></surname>
<given-names><![CDATA[Janine Diele]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Drews]]></surname>
<given-names><![CDATA[Álex Theodoro Noll]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Farias]]></surname>
<given-names><![CDATA[Marcelo Silveira de]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Pasinatto]]></surname>
<given-names><![CDATA[Gabriel Alencar]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Leandro]]></surname>
<given-names><![CDATA[Eduarda Vargas De Souza]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Vicente]]></surname>
<given-names><![CDATA[Denise Maria]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Marinho]]></surname>
<given-names><![CDATA[Taylene Borges da Silva]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidade Federal de Santa Maria Departamento de Ciências Agronômicas e Ambientais ]]></institution>
<addr-line><![CDATA[Frederico Westphalen RS]]></addr-line>
<country>Brazil</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidade Estadual Paulista &#8220;Júlio de Mesquita Filho&#8221; Faculdade de Ciências Agrárias de Botucatu Departamento de Agricultura]]></institution>
<addr-line><![CDATA[Botucatu SP]]></addr-line>
<country>Brazil</country>
</aff>
<pub-date pub-type="pub">
<day>30</day>
<month>12</month>
<year>2021</year>
</pub-date>
<pub-date pub-type="epub">
<day>30</day>
<month>12</month>
<year>2021</year>
</pub-date>
<volume>44</volume>
<numero>4</numero>
<fpage>21</fpage>
<lpage>30</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.pt/scielo.php?script=sci_arttext&amp;pid=S0871-018X2021000300021&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.pt/scielo.php?script=sci_abstract&amp;pid=S0871-018X2021000300021&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.pt/scielo.php?script=sci_pdf&amp;pid=S0871-018X2021000300021&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="pt"><p><![CDATA[Resumo Este trabalho teve como objetivo avaliar a época de sementeira de híbridos de milho pipoca e seu impacto sobre os componentes de rendimento e produtividade de grãos. O estudo foi conduzido na área experimental da Universidade Federal de Santa Maria, Campus de Frederico Westphalen, durante o ano agrícola 2019/2020. O delineamento experimental foi de blocos casualizados, em esquema bifatorial, sendo quatro épocas de sementeira (21.08, 11.09, 30.09 e 19.10.2019) e seis híbridos de milho pipoca (H1, H2, H3, H4, H5 e H6), com quatro repetições. A época de sementeira influenciou significativamente sobre os principais componentes de produtividade, onde a sementeira realizada mais precocemente, até 11.09.2019 proporcionou melhores condições e resultou em maior número de grãos por espiga e peso de mil grãos. No comparativo entre os híbridos avaliados, estes resultaram em elevada produtividade de grãos, com média de 7.235 kg ha-1. Os híbridos de milho pipoca utilizados devem ser semeados até 11.09.2019 na região Sul do Brasil, pois produzem 60% a mais, em relação às sementeiras tardias, para as condições em que o experimento foi realizado.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract This work aimed to evaluate the sowing time of popcorn hybrids and its impact on yield components and grain yield. The study was conducted in the experimental area of the Federal University of Santa Maria, Frederico Westphalen Campus, during the 2019/2020 agricultural year. The experimental design was of randomized blocks, in a bifactorial scheme, with four sowing times (08.21, 09.30, 09.30 and 10.19.2019) and six popcorn corn hybrids (H1, H2, H3, H4, H5 and H6), with four repetitions. The sowing time significantly influenced the main yield components, where sowing carried out earlier, until 09.11.2019 provided better conditions and resulted in a greater number of grains per ear and weight of a thousand grains. In the comparison between the hybrids evaluated, they resulted in high grain yield, with an average of 7,235 kg ha-1. The popcorn corn hybrids used must be sown by 09.11.2019 in the southern region of Brazil, as they produce 60% more, compared to late sowing, for the conditions in which the experiment was carried out.]]></p></abstract>
<kwd-group>
<kwd lng="pt"><![CDATA[Zea mays L. everta]]></kwd>
<kwd lng="pt"><![CDATA[Componentes de rendimento]]></kwd>
<kwd lng="pt"><![CDATA[Produtividade.]]></kwd>
<kwd lng="en"><![CDATA[Zea mays L. evert]]></kwd>
<kwd lng="en"><![CDATA[Yield components]]></kwd>
<kwd lng="en"><![CDATA[Productivity.]]></kwd>
</kwd-group>
</article-meta>
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