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  <titleInfo>
    <title>Adaptability, stability, and agronomic performance of cowpea lines in Mato Grosso, Brazil</title>
  </titleInfo>
  <name type="personal">
    <namePart>Alves, Stephanie Mariel</namePart>
    <role>
      <roleTerm authority="marcrelator" type="text">creator</roleTerm>
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  </name>
  <name type="personal">
    <namePart>Menezes Júnior, José Ângelo Nogueira de</namePart>
    <role>
      <roleTerm authority="marcrelator" type="text">creator</roleTerm>
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  </name>
  <name type="personal">
    <namePart>Rocha, Maurisrael de Moura</namePart>
    <role>
      <roleTerm authority="marcrelator" type="text">creator</roleTerm>
    </role>
  </name>
  <name type="personal">
    <namePart>Silva, Kaesel Jackson Damasceno e</namePart>
    <role>
      <roleTerm authority="marcrelator" type="text">creator</roleTerm>
    </role>
  </name>
  <name type="personal">
    <namePart>Olibone, Dácio</namePart>
    <role>
      <roleTerm authority="marcrelator" type="text">creator</roleTerm>
    </role>
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  <genre authority="marc">periodical</genre>
  <genre authority="marc">abstract or summary</genre>
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  <abstract>


ABSTRACT:     This work was carried out to evaluate adaptability and stability, agronomic performance, and phenotypic correlation between the characters of erect/semi-erect cowpea lines in Mato Grosso, Brazil. The trials were conducted in the municipalities of Nova Ubiratã-MT, Primavera do Leste-MT and Sinop-MT in 2014 and 2015. A total of 15 lines and five commercial controls were evaluated using a randomized complete block design (RBD) with four replications. Cultivation value, plant lodging, pod mass, pod length, number of grains per pod, grain mass, mass of 100 grains, grain index and grain yield were evaluated. Data were subjected to analysis of variance and yield adaptability and stability were estimated. Phenotypic correlations among characters were also estimated. The L22, L24, L25, L27, L31, L34 and L35 lines presented good performance for the evaluated characters and good yield adaptability and stability. Estimates of phenotypic correlations indicated that upright plants with smaller lodging presented smaller and lighter pods, with fewer grains per pod and heavier grains.  


Key words:      plant breeding; selection of lines; Vigna unguiculata L</abstract>
  <abstract>


RESUMO:       Este trabalho foi realizado com o objetivo de avaliar a adaptabilidade e estabilidade, o desempenho agronômico e a correlação fenotípica entre caracteres de linhagens de feijão-caupi de porte ereto/semiereto em Mato Grosso. Os ensaios foram conduzidos nos municípios de Nova Ubiratã-MT, Primavera do Leste-MT e Sinop-MT nos anos de 2014 e 2015. Foram avaliadas 15 linhagens e 5 testemunhas comerciais, utilizando-se o delineamento de blocos completos casualizados (DBC) com  quatro  repetições.  Foram  avaliados  o  valor  de  cultivo,  acamamento  das  plantas,  massa  da  vagem,  comprimento  da  vagem, número de grãos por vagem, massa do grão, massa de 100 grãos, índice de grãos e a produtividade de grãos. Os dados  foram  submetidos  a  análises  de  variância  e  estimada  a  adaptabilidade  e  estabilidade  de  produção.  Também  foram  estimadas  as  correlações  fenotípicas  entre  os  caracteres.  As  linhagens  L22,  L24,  L25,  L27,  L31,  L34  e  L35  apresentaram  fenótipos  favoráveis  para  as  características  avaliadas  e  boa  adaptabilidade  e  estabilidade  de  produção.  As  estimativas  de  correlações fenotípicas indicaram que plantas de porte ereto e menor acamamento apresentaram vagens menores, mais leves, com menor número de grãos por vagem e grãos mais pesados.   



Palavras-chave:      melhoramento de plantas; seleção de linhagens; Vigna unguiculata L.</abstract>
  <note>

Publicação online; 25 ref.; 6 tables; Summaries (En, Pt)</note>
  <subject>
    <topic>FEIJÃO-DE-CORDA</topic>
  </subject>
  <subject>
    <topic>CARACTERÍSTICAS  AGRONÕMICAS</topic>
  </subject>
  <subject>
    <topic>LINHAGEM</topic>
  </subject>
  <subject>
    <topic>SELEÇÃO</topic>
  </subject>
  <subject>
    <topic>MELHORAMENTO 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>2026-1793</identifier>
    <identifier type="issn">1981-1160</identifier>
    <identifier type="local">BR2026000538</identifier>
    <part>
      <text>v. 15(3) p. 1-7; (2020)</text>
    </part>
  </relatedItem>
  <identifier type="uri">http://www.agraria.pro.br/ojs32/index.php/RBCA/article/view/v15i3a7896/39</identifier>
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    <url>http://www.agraria.pro.br/ojs32/index.php/RBCA/article/view/v15i3a7896/39</url>
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    <recordCreationDate encoding="marc">260504</recordCreationDate>
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