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  <controlfield tag="003">BR-BrBNA</controlfield>
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    <subfield code="a">F01</subfield>
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    <subfield code="a">Lima, Raelly da Silva </subfield>
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    <subfield code="a">S&#xE3;o Jos&#xE9;, Alceb&#xED;ades Rebou&#xE7;as </subfield>
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    <subfield code="a">Soares, Maur&#xED;cio Rob&#xE9;rio Silva </subfield>
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    <subfield code="a">Moreira, Eduardo Souza </subfield>
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    <subfield code="a">Araujo Neto, Aderson Costa </subfield>
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    <subfield code="a">Cardoso, Adriana Dias </subfield>
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    <subfield code="a">Otoniel Magalh&#xE3;es morais</subfield>
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  <datafield tag="245" ind1=" " ind2=" ">
    <subfield code="a">Levantamento fitossociol&#xF3;gico de plantas daninhas na cultura do feij&#xE3;o-caupi no munic&#xED;pio de Vit&#xF3;ria da Conquista - BA</subfield>
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Publica&#xE7;&#xE3;o online; 28 ref.; 6 tables; Summaries (En, Pt)</subfield>
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Resumo:  O  objetivo  deste  trabalho  foi  identificar  e  quantificar  as  principais  esp&#xE9;cies  de  plantas  daninhas presentes, em diferentes per&#xED;odos, na cultura do feij&#xE3;o-caupi, no munic&#xED;pio de Vit&#xF3;ria da Conquista, BA. As coletas  das plantas daninhas foram realizadas por  nove  per&#xED;odos iniciais crescentes: 7, 14, 21, 28, 35, 42, 49,  56  e  63  dias  ap&#xF3;s  a  emerg&#xEA;ncia  (DAE)  da  cultura,  mediante  o  lan&#xE7;amento  aleat&#xF3;rio  de  um  quadrado vazado de 0,25 m2. Foram realizadas 36 amostragens em cada per&#xED;odo, com um total de 324 amostragens. Em  cada  amostragem,  as  plantas  daninhas  foram  cortadas  rente  ao  solo,  identificadas  e  quantificadas  as esp&#xE9;cies.  Posteriormente,  foram  determinados  os  par&#xE2;metros  fitossociol&#xF3;gicos  de  densidade,  densidade relativa,  frequ&#xEA;ncia,  frequ&#xEA;ncia  relativa,  abund&#xE2;ncia,  abund&#xE2;ncia  relativa  e  &#xED;ndice  de  valor  de  import&#xE2;ncia. Foram  quantificados  9.541  indiv&#xED;duos  e  identificadas,  sendo  41  esp&#xE9;cies  de  plantas  daninhas,  distribu&#xED;das em   30   g&#xEA;neros   e   13   fam&#xED;lias.   As   fam&#xED;lias   com   maior n&#xFA;mero   de   esp&#xE9;cies   foram   Poaceae   (9), Amaranthaceae  (6),  Malvaceae  (6)  e  Asteraceae  (5). As  esp&#xE9;cies  predominantes  na  &#xE1;rea  de  cultivo  foram Brachiaria  plantaginea (Link)  Hitchc., Amaranthus  spinosus L., Amaranthus  hybridus var.  paniculatus (L.) Uline &amp; W.L.Bray, Blainvillea biaristata DC., Portulaca oleracea L. e Malvastrum coromandelianum Garcke.


Palavras-chave:   Manejo, Feij&#xE3;o de corda, Competi&#xE7;&#xE3;o</subfield>
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Abstract:    The objective of this study was to identify and quantify the main weed species at different periods in  the  cowpea-beans  crop  in  the  municipality  of  Vit&#xF3;ria  da  Conquista,  BA.  The  collects  of  the  weeds  were held  for  nine  increasing  initial  periods:  7,  14,  21,  28,  35,  42,  49,  56  and  63  days  after  emergence  (DAE)  of the  culture,  through  the  random  release  of  a  square  hollow  of  0.25  m2.  36  samples  were  taken  in  each period, with a total of 324 samples. In each sample, the weeds were cut close to the ground, identified and quantified species. Subsequently, we determined the phytosociological parameters: density, relative density, frequency, relative frequency, abundance, abundance relative and importance value index. 9,541 individuals were quantified and identified, being 41 weed species, distributed in 30 genera and 13 families. The families with  the  highest  number  of  species  were  Poaceae  (9),  Amaranthaceae  (6),  Malvaceae  (6)  and  Asteraceae (5). The predominant species in the cultivation area were Brachiaria plantaginea (Link) Hitchc., Amaranthus spinosus L., Amaranthus hybridus var. paniculatus (L.) Uline &amp; W.L.Bray, Blainvillea biaristata DC., Portulaca oleracea L. e Malvastrum coromandelianum Garcke.  


Keywords:   Management,  Cowpea, Competition. </subfield>
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  <datafield tag="650" ind1=" " ind2=" ">
    <subfield code="a">FEIJ&#xC3;O-DE-CORDA</subfield>
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  <datafield tag="650" ind1=" " ind2=" ">
    <subfield code="a">ERVA DANINHA</subfield>
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  <datafield tag="650" ind1=" " ind2=" ">
    <subfield code="a">&#xC9;POCA DE PLANTIO</subfield>
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  <datafield tag="650" ind1=" " ind2=" ">
    <subfield code="a">AMOSTRAGEM</subfield>
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    <subfield code="a">BAHIA</subfield>
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  <datafield tag="773" ind1="0" ind2=" ">
    <subfield code="0">3583</subfield>
    <subfield code="9">350104</subfield>
    <subfield code="d">Cruz das Almas-BA Universidade Federal da Bahia - Escola de Agron&#xF4;mia 1983</subfield>
    <subfield code="o">2025-2712</subfield>
    <subfield code="t">Magistra (Brazil)</subfield>
    <subfield code="x">0102-5333</subfield>
    <subfield code="g">v. 28(3-4) p. 390-402; (2016)</subfield>
    <subfield code="w">BR2025000990</subfield>
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  <datafield tag="856" ind1=" " ind2=" ">
    <subfield code="u">https://periodicos.ufrb.edu.br/index.php/magistra/article/view/3855/2101</subfield>
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    <subfield code="c">ANA</subfield>
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    <subfield code="c">331420</subfield>
    <subfield code="d">331420</subfield>
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