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  <titleInfo>
    <title>Morphophysiological and molecular characterization of Cercospora spp. in Fragaria × ananassa Duch</title>
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  <name type="personal">
    <namePart>Krahn, Jaqueline Raquel Tomm</namePart>
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  <name type="personal">
    <namePart>Muniz, Marlove Fátima Brião</namePart>
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  <name type="personal">
    <namePart>Savian, Lucas Graciolli</namePart>
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  <name type="personal">
    <namePart>Fantinel, Vinicius Spolaor</namePart>
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  <name type="personal">
    <namePart>Poletto, Tales</namePart>
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  <name type="personal">
    <namePart>Vasconcelos, Iris Guimarães de</namePart>
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ABSTRACT:    The strawberry crop (Fragaria × ananassa Duch.) originated in Europe and has a wide geographical distribution. In Brazil, cultivation is predominant in the southern regions of the country. Foliar diseases are one of the main problems of the crop and are caused by fungal species of different genera. Recently, Cercospora spp. has been reported as a causal agent of cercosporiosis on  strawberry  leaves.  Thus,  the  objective  of  this  study  was  to  evaluate  the  pathogenicity  and  to  morphophysiologically  and  molecularly characterize isolates of Cercospora spp. obtained from strawberry leaves. Pathogenicity was evaluated on detached leaves, morphophysiological characterization on different culture media, and molecular identification by the actin and elongation factor1-alpha  regions.  The  morphological  characteristics  were  similar  to  those  found  in  species  of  the  genus  Cercospora. Cercosporiosis in strawberry is caused by a complex of species of the genus Cercospora, among them C. kikuchii. 



Key words:      actin; cercosporiosis; elongation factor; strawberry</abstract>
  <abstract>


RESUMO:  A  cultura  do  morangueiro  (Fragaria  ×  ananassa  Duch.)  é  originaria  da  Europa  e  apresenta  ampla  distribuição  geográfica. No Brasil, o cultivo é predominante nas regiões sul do país. As doenças foliares são um dos principais problemas da cultura e são causadas por espécies de fungos de diferentes gêneros. Recentemente, Cercospora spp. foi relatado como agente causal de cercosporiose em folhas de morangueiro. Dessa forma, o objetivo deste estudo foi avaliar a patogenicidade e caracterizar morfofisiológica e molecularmente isolados de Cercospora spp. obtidos de folhas de morangueiro. A patogenicidade foi avaliada em folhas destacadas, a caracterização morfofisiológica em diferentes meios de culturas e a identificação molecular pelas regiões actina e fator de elongação1-alfa. As características morfológicas foram semelhantes às encontradas em espécies do gênero Cercospora. A cercosporiose em morangueiro é causada por um complexo de espécies do gênero Cercospora, entre essas C. kikuchii. 



 Palavras-chave:       actina; cercosporiose; fator de elongação; morangueiro</abstract>
  <note>

Publicação online; 5 tables; 5 illus.; Summaries (En, Pt)</note>
  <subject>
    <topic>MORANGO</topic>
  </subject>
  <subject>
    <topic>DOENÇA DE PLANTA</topic>
  </subject>
  <subject>
    <topic>CERCOSPORIOSE</topic>
  </subject>
  <subject>
    <topic>FUNGO</topic>
  </subject>
  <subject>
    <topic>LEVANTAMENTO  FITOSSANITÁRIO</topic>
  </subject>
  <subject>
    <topic>DEFESA VEGETAL</topic>
  </subject>
  <relatedItem type="host">
    <titleInfo>
      <title>Revista Brasileira de Ciências Agrárias (Brazil)</title>
    </titleInfo>
    <originInfo>
      <publisher>Recife-PE Universidade Federal Rural de Pernambuco 2006</publisher>
    </originInfo>
    <identifier>2026-2459</identifier>
    <identifier type="issn">1981-1160</identifier>
    <identifier type="local">BR2026001554</identifier>
    <part>
      <text>v. 17(4) p. 1-9; (2022)</text>
    </part>
  </relatedItem>
  <identifier type="uri">http://www.agraria.pro.br/ojs32/index.php/RBCA/article/view/v17i4a2745/1491</identifier>
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    <url>http://www.agraria.pro.br/ojs32/index.php/RBCA/article/view/v17i4a2745/1491</url>
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