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  <titleInfo>
    <title>Efeito de herbicidas no crescimento, produtividade e qualidade de tubérculos de batata</title>
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  <name type="personal">
    <namePart>Dias, Roque Carvalho</namePart>
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  <name type="personal">
    <namePart>Barbosa, Amanda Rocha</namePart>
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  <name type="personal">
    <namePart>Silva, Gustavo Soares</namePart>
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  <name type="personal">
    <namePart>Assis, Ana Caroline de Lourdes Pereira</namePart>
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  <name type="personal">
    <namePart>Melo, Christiane Augusta Diniz</namePart>
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  <name type="personal">
    <namePart>Silva, Daniel Valadão</namePart>
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  <name type="personal">
    <namePart>Reis, Marcelo Rodrigues</namePart>
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  <abstract>


Resumo:    Resíduos de herbicidas no solo aplicados em determinados sistemas agrícolas podem prejudicar o desenvolvimento de culturas sensíveis em rotação/sucessão, como a batata. Assim, objetivou-se avaliar o efeito   da   atividade   residual   dos   herbicidas   metsulfuron-methyl,   flumioxazin   e   saflufenacil   sobre   o crescimento,  a  produtividade  e  a  qualidade  de  tubérculos  de  batata.  Para  isso,  foi  conduzido  um experimento  de  campo  com  os  herbicidas  (g  ha-1):  metsulfuron-methyl  (2),  flumioxazin  (100)  e  saflufenacil (100), além de  um tratamento controle (sem herbicida e capinado). O  delineamento utilizado foi  em blocos casualizados, com cinco repetições e os herbicidas foram aplicados e incorporados um dia antes ao plantio da batata cultivar “Atlantic”. Aos 60 e 90 dias após a aplicação, foram coletadas e avaliadas em 10 plantas ao  acaso  dentro  da  parcela,  a  matéria  fresca  de  tubérculo  (MFT),  o  número  de  hastes  (NH),  o  número  de tubérculos (NT) por planta e a matéria seca total (hastes + parte aérea) (MST). Aos 120 dias após o plantio foi realizada a colheita e avaliou-se a produtividade da área útil de todas as parcelas de tubérculos normais e com rachaduras e a classificação dos tubérculos quanto ao diâmetro (%): classe I: &gt; 70 mm, classe II: 70 – 42 mm, classe III: 42 – 33 mm e descarte &lt; 33 mm. Ademais, para analisar os efeitos dos herbicidas na batata realizou-se estudos anatômicos nos tubérculos encontrados normais e com anomalias (rachaduras).Todos  os  herbicidas  afetaram  negativamente  o  acúmulo  de  MFT,  MST  e  a  produtividade  dos  tubérculos, além disso, constatou-se rachaduras nos tubérculos, comprometendo a sua qualidade e o valor comercial. 


Palavras-chave:   Solanum tuberosum L. (Atlantic), Fisiologia vegetal, Controle químico</abstract>
  <abstract>


Abstract:     Residual  of  soil-applied  herbicides  in  certain  agricultural  systems  can  harm  the  development  of sensitive rotation/succession crops, such as potatoes. The objective of this study  was to evaluate the effect of  residual  activity  of  the  herbicides  metsulfuron-methyl,  flumioxazin  and  saflufenacil  on  the  growth,productivity and quality of potato tubers. For this, a field experiment was conducted with three herbicides (g ha-1): metsulfuron-methyl (2), flumioxazin (100) and saflufenacil (100), as well as a control treatment (without herbicide and weeding).  The experiment was carried out in a randomized block design with five replications and the herbicides were applied and incorporated one day before the planting of the "Atlantic" potato. At 60 and 90 days after application, 10 plants were collected and evaluated at random within the plot, fresh tuber matter  (MFT),  number  of  stems  (NS),  number  of  tubers  (NT)  per  plant  and  total  dry  matter  (stems  +  aerial part) (MST) were evaluated at 60 and 90 days after application (DAP). At 120 days after planting the harvest was performed and the yield of the useful area of all normal and cracked tubers plots was evaluated and the classification of tubers were classified for diameter (%) (&gt; 70 mm - class I, 70-42 mm - class II, 42-33 mm - class III and &lt;33 mm - discard). In addition, to analyze the effects of the herbicides on the tubers, anatomical studies  were  performed  out  on  the  tubers  found  normal  and  with  anomalies  (cracks).  All  herbicides negatively  affected the accumulation  of MFT, MST and productivity;  in  addition, it was verified cracks in the tubers, compromising their quality and commercial value.  


Keywords:   Solanum tuberosum L. (Atlantic), Plant Physiology, Chemical control</abstract>
  <note>

Publicação online; 32 ref.; 3 tables; 2 illus.; Summaries (En, Pt)</note>
  <subject>
    <topic>BATATA</topic>
  </subject>
  <subject>
    <topic>DISTÚRBIO FISIOLÓGICO</topic>
  </subject>
  <subject>
    <topic>HERBICIDA</topic>
  </subject>
  <subject>
    <topic>RESÍDUO</topic>
  </subject>
  <subject>
    <topic>FITOTOXICIDADE</topic>
  </subject>
  <subject>
    <topic>FISIOLOGIA VEGETAL</topic>
  </subject>
  <relatedItem type="host">
    <titleInfo>
      <title>Magistra (Brazil)</title>
    </titleInfo>
    <originInfo>
      <publisher>Cruz das Almas-BA Universidade Federal da Bahia - Escola de Agronômia 1983</publisher>
    </originInfo>
    <identifier>2025-2943</identifier>
    <identifier type="issn">0102-5333</identifier>
    <identifier type="local">BR2025002867</identifier>
    <part>
      <text>v. 29(1) p. 71-79; (2017)</text>
    </part>
  </relatedItem>
  <identifier type="uri">https://periodicos.ufrb.edu.br/index.php/magistra/article/view/4023/2119</identifier>
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    <url>https://periodicos.ufrb.edu.br/index.php/magistra/article/view/4023/2119</url>
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