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  <titleInfo>
    <title>Productivity, acylsugar concentrations and resistance to the two-spotted spider mite in genotypes of salad tomatoes</title>
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  <name type="personal">
    <namePart>Peixoto, Joicy V. M.</namePart>
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  <name type="personal">
    <namePart>Ribeiro, Ana L. A.</namePart>
    <role>
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    </role>
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  <name type="personal">
    <namePart>Maciel, Gabriel M.</namePart>
    <role>
      <roleTerm authority="marcrelator" type="text">creator</roleTerm>
    </role>
  </name>
  <name type="personal">
    <namePart>Oliveira, Camila S. de</namePart>
    <role>
      <roleTerm authority="marcrelator" type="text">creator</roleTerm>
    </role>
  </name>
  <name type="personal">
    <namePart>Finzi, Rafael R.</namePart>
    <role>
      <roleTerm authority="marcrelator" type="text">creator</roleTerm>
    </role>
  </name>
  <name type="personal">
    <namePart>Moraes, Emmerson R. de</namePart>
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  <abstract>

ABSTRACT: The objective of this study was to characterize genotypes of the salad-type tomato with a determinate growth habit and select genotypes resistant to the two-spotted spider mite for higher productivity and fruit quality. The experiment was conducted at the Horticultural Experimental Station (18°42’43,19” S and 47°29’55,8” W, 873 m altitude) of the Universidade Federal de Uberlândia (UFU), Monte Carmelo campus, from January to June 2018. The experimental design was in randomized blocks containing 16 treatments [12 populations of the F3 RC2 generation and four controls: two commercial cultivars (Santa Clara and Rio Grande), the recurrent parent (UFU-057) and the wild species Solanum pennellii (LA-716)] with three repetitions. The accessions UFU-057F3 RC2 10#3.6.1 and UFU-057F3 RC2 13#2.1.2 have high potential for genetic improvement regarding resistance to the two-spotted spider mite. The genotypes UFU-13#4.4.1, UFU-7#4.7.1, UFU-7#4.3.2, UFU-13#2.5.2 and UFU-13#2.1.3 present higher acylsugar concentrations than S. pennellii, in addition to higher productivity and number of fruits per plant. It is suggested to explore combinations between those genotypes previously described with UFU-8#2.4.1 to obtain hybrids with high acylsugar concentrations, two-spotted spider mite resistance, high productivity and increased fruit mass. 

Key words: Solanum lycopersicum L., Tetranychus urticae, biotic stress, allelochemicals</abstract>
  <abstract>

RESUMO: Objetivou-se com este estudo caracterizar genótipos de tomateiro do tipo salada com hábito de crescimento determinado, selecionar genótipos resistentes ao ácaro rajado, de maior produtividade e qualidade de frutos. O experimento foi conduzido na Estação Experimental de Hortaliças (18º 42’ 43,19” S e 47º 29’ 55,8” O, 873 m de altitude) da Universidade Federal de Uberlândia (UFU), campus Monte Carmelo, de janeiro a junho de 2018. O delineamento experimental foi em blocos casualizados, contendo 16 tratamentos [12 populações da geração F3 RC2 e quatro testemunhas: duas cultivares comerciais ( Santa Clara e Rio Grande), o genitor recorrente (UFU-057) e a espécie silvestre Solanum pennellii (LA-716)] com três repetições. Os acessos UFU-057F3 RC2 10#3.6.1 e UFU-057F3 RC2 13#2.1.2 possuem alto potencial para o melhoramento genético visando resistência ao ácaro rajado. Os genótipos UFU-13#4.4.1; UFU-7#4.7.1; UFU-7#4.3.2, UFU-13#2.5.2 e UFU-13#2.1.3 apresentaram teor de acilaçúcares superior ao S. pennellii, a maior produtividade e número de frutos por planta. Sugere-se a combinação entre os genótipos anteriormente descritos com UFU-8#2.4.1 para obtenção de híbridos com alto teor de acilaçúcares, resistência ao ácaro rajado, alta produtividade e incremento na massa de fruto. 

Palavras-chave: Solanum lycopersicum L., Tetranychus urticae, estresse biótico, aleloquímicos</abstract>
  <note>Publicação on-line; 29 ref.; 3 tables; Sumaries (En, Pt)</note>
  <subject>
    <topic>TOMATE</topic>
  </subject>
  <subject>
    <topic>VARIEDADE RESISTENTE</topic>
  </subject>
  <subject>
    <topic>SELEÇÃO</topic>
  </subject>
  <subject>
    <topic>ÁCARO RAJADO</topic>
  </subject>
  <subject>
    <topic>PRAGA DE PLANTA</topic>
  </subject>
  <relatedItem type="host">
    <titleInfo>
      <title>Revista Brasileira de Engenharia Agrícola e Ambiental (Brazil)</title>
    </titleInfo>
    <originInfo>
      <publisher>Campina Grande-PB Universidade Federal de Campina Grande. Centro de Ciências e Tecnologia 1997</publisher>
    </originInfo>
    <identifier>2024-4511</identifier>
    <identifier type="issn">1415-4366</identifier>
    <identifier type="local">BR2025001794</identifier>
    <part>
      <text>v. 24 (9) p. 596-602; (2020)</text>
    </part>
  </relatedItem>
  <identifier type="uri">https://www.scielo.br/j/rbeaa/a/Pr6DSFSP5Dr9wkVPr5YfT7C/?format=pdf&amp;lang=en</identifier>
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    <recordCreationDate encoding="marc">251128</recordCreationDate>
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      <languageTerm authority="iso639-2b" type="code">eng</languageTerm>
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