Agronomic performance of cowpea genotypes in southwestern Brazilian Amazon

The objective of this work was to evaluate the agronomic performance of cowpea (Vigna unguiculata) genotypes over three crop years, in the ecosystem of Rio Branco, in the state of Acre, Brazil. The experiments were carried out in the 2016, 2017, and 2018 crop seasons, in a randomized complete block...

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description The objective of this work was to evaluate the agronomic performance of cowpea (Vigna unguiculata) genotypes over three crop years, in the ecosystem of Rio Branco, in the state of Acre, Brazil. The experiments were carried out in the 2016, 2017, and 2018 crop seasons, in a randomized complete block design, with four replicates. Eight agronomic traits were evaluated in 14 cowpea genotypes, which included: 12 lines (BDO 1-5-11, BDO 1-5-15, BDO 1-5-19, BDO 1-5-24, PDO 1-5-26, PDO 1-5-4, PDO 1-5-5, PDO 1-5-7, PDO 1-5-8, PDO 1-5-10, PDO 1-5-11, and PDO 1-5-14) and two cultivars (BRS Tumucumaque and BRS Imponente). A significant difference was observed in the genotype x crop year interaction, for most traits. Although there was no statistical difference between genotypes in the studied crop years, dry seed productivity was higher than the national average. All cowpea lines and cultivars from the genetic breeding program show equivalent and favorable agronomic performances in the environmental conditions of Rio Branco. Therefore, these genotypes can be selected for incorporation into the production system of Rio Branco. Resumo: O objetivo deste trabalho foi avaliar o desempenho agronômico de genótipos de feijão-caupi (Vigna unguiculata) em três anos agrícolas, no ecossistema de Rio Branco, no estado do Acre, Brasil. Os experimentos foram conduzidos nos anos agrícolas de 2016, 2017 e 2018, em delineamento de blocos ao acaso, com quatro repetições. Foram avaliados oito caracteres agronômicos, em 14 genótipos de feijão-caupi, que incluíram: 12 linhagens (BDO 1-5-11, BDO 1-5-15, BDO 1-5-19, BDO 1-5-24, PDO 1-5-26, PDO 1-5-4, PDO 1-5-5, PDO 1-5-7, PDO 1-5-8, PDO 1-5-10, PDO 1-5-11 e PDO 1-5-14) e duas cultivares (BRS Tumucumaque e BRS Imponente). Observou-se diferença significativa na interação genótipo x safra, para a maioria das características. Embora não tenha havido diferença estatística entre os genótipos nas safras estudadas, a produtividade de grãos secos foi superior à da média nacional. Todas as linhagens e as cultivares de feijão-caupi do programa de melhoramento genético apresentam desempenho agronômico equivalente e favorável nas condições ambientais de Rio Branco. Portanto, esses genótipos podem ser selecionados para incorporação ao sistema produtivo de Rio Branco.
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The experiments were carried out in the 2016, 2017, and 2018 crop seasons, in a randomized complete block design, with four replicates. Eight agronomic traits were evaluated in 14 cowpea genotypes, which included: 12 lines (BDO 1-5-11, BDO 1-5-15, BDO 1-5-19, BDO 1-5-24, PDO 1-5-26, PDO 1-5-4, PDO 1-5-5, PDO 1-5-7, PDO 1-5-8, PDO 1-5-10, PDO 1-5-11, and PDO 1-5-14) and two cultivars (BRS Tumucumaque and BRS Imponente). A significant difference was observed in the genotype x crop year interaction, for most traits. Although there was no statistical difference between genotypes in the studied crop years, dry seed productivity was higher than the national average. All cowpea lines and cultivars from the genetic breeding program show equivalent and favorable agronomic performances in the environmental conditions of Rio Branco. Therefore, these genotypes can be selected for incorporation into the production system of Rio Branco. Resumo: O objetivo deste trabalho foi avaliar o desempenho agronômico de genótipos de feijão-caupi (Vigna unguiculata) em três anos agrícolas, no ecossistema de Rio Branco, no estado do Acre, Brasil. Os experimentos foram conduzidos nos anos agrícolas de 2016, 2017 e 2018, em delineamento de blocos ao acaso, com quatro repetições. Foram avaliados oito caracteres agronômicos, em 14 genótipos de feijão-caupi, que incluíram: 12 linhagens (BDO 1-5-11, BDO 1-5-15, BDO 1-5-19, BDO 1-5-24, PDO 1-5-26, PDO 1-5-4, PDO 1-5-5, PDO 1-5-7, PDO 1-5-8, PDO 1-5-10, PDO 1-5-11 e PDO 1-5-14) e duas cultivares (BRS Tumucumaque e BRS Imponente). Observou-se diferença significativa na interação genótipo x safra, para a maioria das características. Embora não tenha havido diferença estatística entre os genótipos nas safras estudadas, a produtividade de grãos secos foi superior à da média nacional. Todas as linhagens e as cultivares de feijão-caupi do programa de melhoramento genético apresentam desempenho agronômico equivalente e favorável nas condições ambientais de Rio Branco. 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The experiments were carried out in the 2016, 2017, and 2018 crop seasons, in a randomized complete block design, with four replicates. Eight agronomic traits were evaluated in 14 cowpea genotypes, which included: 12 lines (BDO 1-5-11, BDO 1-5-15, BDO 1-5-19, BDO 1-5-24, PDO 1-5-26, PDO 1-5-4, PDO 1-5-5, PDO 1-5-7, PDO 1-5-8, PDO 1-5-10, PDO 1-5-11, and PDO 1-5-14) and two cultivars (BRS Tumucumaque and BRS Imponente). A significant difference was observed in the genotype x crop year interaction, for most traits. Although there was no statistical difference between genotypes in the studied crop years, dry seed productivity was higher than the national average. All cowpea lines and cultivars from the genetic breeding program show equivalent and favorable agronomic performances in the environmental conditions of Rio Branco. Therefore, these genotypes can be selected for incorporation into the production system of Rio Branco. Resumo: O objetivo deste trabalho foi avaliar o desempenho agronômico de genótipos de feijão-caupi (Vigna unguiculata) em três anos agrícolas, no ecossistema de Rio Branco, no estado do Acre, Brasil. Os experimentos foram conduzidos nos anos agrícolas de 2016, 2017 e 2018, em delineamento de blocos ao acaso, com quatro repetições. Foram avaliados oito caracteres agronômicos, em 14 genótipos de feijão-caupi, que incluíram: 12 linhagens (BDO 1-5-11, BDO 1-5-15, BDO 1-5-19, BDO 1-5-24, PDO 1-5-26, PDO 1-5-4, PDO 1-5-5, PDO 1-5-7, PDO 1-5-8, PDO 1-5-10, PDO 1-5-11 e PDO 1-5-14) e duas cultivares (BRS Tumucumaque e BRS Imponente). Observou-se diferença significativa na interação genótipo x safra, para a maioria das características. Embora não tenha havido diferença estatística entre os genótipos nas safras estudadas, a produtividade de grãos secos foi superior à da média nacional. Todas as linhagens e as cultivares de feijão-caupi do programa de melhoramento genético apresentam desempenho agronômico equivalente e favorável nas condições ambientais de Rio Branco. 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The experiments were carried out in the 2016, 2017, and 2018 crop seasons, in a randomized complete block design, with four replicates. Eight agronomic traits were evaluated in 14 cowpea genotypes, which included: 12 lines (BDO 1-5-11, BDO 1-5-15, BDO 1-5-19, BDO 1-5-24, PDO 1-5-26, PDO 1-5-4, PDO 1-5-5, PDO 1-5-7, PDO 1-5-8, PDO 1-5-10, PDO 1-5-11, and PDO 1-5-14) and two cultivars (BRS Tumucumaque and BRS Imponente). A significant difference was observed in the genotype x crop year interaction, for most traits. Although there was no statistical difference between genotypes in the studied crop years, dry seed productivity was higher than the national average. All cowpea lines and cultivars from the genetic breeding program show equivalent and favorable agronomic performances in the environmental conditions of Rio Branco. Therefore, these genotypes can be selected for incorporation into the production system of Rio Branco. Resumo: O objetivo deste trabalho foi avaliar o desempenho agronômico de genótipos de feijão-caupi (Vigna unguiculata) em três anos agrícolas, no ecossistema de Rio Branco, no estado do Acre, Brasil. Os experimentos foram conduzidos nos anos agrícolas de 2016, 2017 e 2018, em delineamento de blocos ao acaso, com quatro repetições. Foram avaliados oito caracteres agronômicos, em 14 genótipos de feijão-caupi, que incluíram: 12 linhagens (BDO 1-5-11, BDO 1-5-15, BDO 1-5-19, BDO 1-5-24, PDO 1-5-26, PDO 1-5-4, PDO 1-5-5, PDO 1-5-7, PDO 1-5-8, PDO 1-5-10, PDO 1-5-11 e PDO 1-5-14) e duas cultivares (BRS Tumucumaque e BRS Imponente). Observou-se diferença significativa na interação genótipo x safra, para a maioria das características. Embora não tenha havido diferença estatística entre os genótipos nas safras estudadas, a produtividade de grãos secos foi superior à da média nacional. Todas as linhagens e as cultivares de feijão-caupi do programa de melhoramento genético apresentam desempenho agronômico equivalente e favorável nas condições ambientais de Rio Branco. Portanto, esses genótipos podem ser selecionados para incorporação ao sistema produtivo de Rio Branco.</abstract><pub>Embrapa Secretaria de Pesquisa e Desenvolvimento; Pesquisa Agropecuária Brasileira</pub><doi>10.1590/s1678-3921.pab2021.v56.02046</doi><orcidid>https://orcid.org/0000-0001-7742-6534</orcidid><orcidid>https://orcid.org/0000-0002-2400-2401</orcidid><orcidid>https://orcid.org/0000-0002-3137-1651</orcidid><oa>free_for_read</oa></addata></record>
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subjects AGRICULTURE, DAIRY & ANIMAL SCIENCE
AGRICULTURE, MULTIDISCIPLINARY
breeding
BRS Imponente
BRS Tumucumaque
family farming
Vigna unguiculata
title Agronomic performance of cowpea genotypes in southwestern Brazilian Amazon
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