Data/hora: 09/06/2024 03:45:19

Provedor de dados: | 124
País: | Brazil
Título: | Yield adaptability and stability of semi-prostrate cowpea genotypes in the Northeast region of Brazil by REML/BLUP
Autores: | Rocha,Maurisrael de Moura; Damasceno-Silva,Kaesel Jackson; Menezes-Júnior,José Ângelo Nogueira de; Carvalho,Hélio Wilson Lemos de; Costa,Antônio Félix da; Lima,João Maria Pinheiro de; Santos,João Felinto dos; Bertini,Cândida Hermínia Campos de Magalhães; Passos,Adriana Rodrigues; Morais,Otoniel Magalhães.
Data: | 2017-01-01
Ano: | 2017
Palavras-chave: | Vigna unguiculata; Grain yield; Genotype × environment interaction; Mixed models.
Resumo: | ABSTRACT Cowpea is grown in different environmental conditions of the Northeast region of Brazil. Thus, selecting and developing cultivars with high yield, stability, and adaptability for this region is necessary due to the genotype × environment interaction. The objective of this work was to select cowpea lines of semi-prostrate plant simultaneously for high yield, adaptability, and genotypic stability in the Northeast region of Brazil by the REML/BLUP procedure. Twenty semi-prostrate genotypes-16 lines and four cultivars-were evaluated in 36 environments of the Northeast region from 2013-2015. The experiments were carried out under rainfed conditions in a completely randomized block design with four replications. The adaptability and genotypic stability were evaluated by the REML/BLUP procedure. The genotype × environment interaction was complex-type, with the grain yield ranging from 260 kg ha-1 (Campo Grande do Piauí PI, 2015) to 2,764 kg ha-1 (Araripina PE, 2015), with overall mean of 1,304 kg ha-1. According to the Harmonic Mean of Relative Performance of Genetic Values (HMRPGV) estimates, the cultivars BRS Marataoã and BRS Pajeú and the line MNC04-792F-129 had simultaneously high yield, adaptability, and genotypic stability, and can be recommended and grown with greater probability of success in all the environments of the Northeast region of Brazil.
Tipo: | Info:eu-repo/semantics/article
Idioma: | Inglês
Identificador: | http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1806-66902017000500879
Editor: | Universidade Federal do Ceará
Relação: | 10.5935/1806-6690.20170104
Formato: | text/html
Fonte: | Revista Ciência Agronômica  v.48 n.5spe 2017
Fonte: | info:eu-repo/semantics/openAccess