Selection of superior cowpea lines derived from local cultivars for the Brazilian semiarid region
Abstract The objective of this work was to select superior cowpea lines derived from local cultivars for the semiarid region of southeastern Piauí, Brazil. A total of 38 genotypes (36 lines and two commercial cultivars) were evaluated in a randomized complete block design, with two replicates, in th...
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| Format: | Article |
| Language: | English |
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Embrapa Informação Tecnológica
2023-12-01
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| Series: | Pesquisa Agropecuária Brasileira |
| Subjects: | |
| Online Access: | http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-204X2023000102919&lng=en&tlng=en |
| _version_ | 1797404340075364352 |
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| author | Anna Flávia de Sousa Lopes Walter Frazão Lelis de Aragão Kaesel Jackson Damasceno-Silva Maurisrael de Moura Rocha |
| author_facet | Anna Flávia de Sousa Lopes Walter Frazão Lelis de Aragão Kaesel Jackson Damasceno-Silva Maurisrael de Moura Rocha |
| author_sort | Anna Flávia de Sousa Lopes |
| collection | DOAJ |
| description | Abstract The objective of this work was to select superior cowpea lines derived from local cultivars for the semiarid region of southeastern Piauí, Brazil. A total of 38 genotypes (36 lines and two commercial cultivars) were evaluated in a randomized complete block design, with two replicates, in the municipality of Ipiranga do Piauí, in the state of Piauí. The following traits were evaluated: number of days to the onset of flowering, pod length, number of grains per pod, weight of 100 grains, commercial grain quality, and grain yield. Deviance analyzes were performed using the restricted maximum likelihood and best unbiased predictor approach, the parameters and genetic values were estimated, and simultaneous selection was carried out via the sum of ranks index. The likelihood ratio test showed a significant difference between the evaluated genotypes. Lines 36, 5, 24, 8, 2, 23, 29, 28, 34, 6, 19, 11, 7, and 20 are superior for the set of evaluated traits and, therefore, are the most promising to compose the advanced trial of the cowpea breeding program and to generate cultivars for family farmers in the semiarid region of southeastern Piauí. |
| first_indexed | 2024-03-09T02:53:34Z |
| format | Article |
| id | doaj.art-dcaa81608c97467288bbc0869d6cd957 |
| institution | Directory Open Access Journal |
| issn | 1678-3921 |
| language | English |
| last_indexed | 2024-03-09T02:53:34Z |
| publishDate | 2023-12-01 |
| publisher | Embrapa Informação Tecnológica |
| record_format | Article |
| series | Pesquisa Agropecuária Brasileira |
| spelling | doaj.art-dcaa81608c97467288bbc0869d6cd9572023-12-05T07:58:04ZengEmbrapa Informação TecnológicaPesquisa Agropecuária Brasileira1678-39212023-12-015810.1590/s1678-3921.pab2023.v58.03391Selection of superior cowpea lines derived from local cultivars for the Brazilian semiarid regionAnna Flávia de Sousa Lopeshttps://orcid.org/0000-0003-0915-6485Walter Frazão Lelis de Aragãohttps://orcid.org/0000-0002-7113-6656Kaesel Jackson Damasceno-Silvahttps://orcid.org/0000-0001-7261-216XMaurisrael de Moura Rochahttps://orcid.org/0000-0001-5817-2794Abstract The objective of this work was to select superior cowpea lines derived from local cultivars for the semiarid region of southeastern Piauí, Brazil. A total of 38 genotypes (36 lines and two commercial cultivars) were evaluated in a randomized complete block design, with two replicates, in the municipality of Ipiranga do Piauí, in the state of Piauí. The following traits were evaluated: number of days to the onset of flowering, pod length, number of grains per pod, weight of 100 grains, commercial grain quality, and grain yield. Deviance analyzes were performed using the restricted maximum likelihood and best unbiased predictor approach, the parameters and genetic values were estimated, and simultaneous selection was carried out via the sum of ranks index. The likelihood ratio test showed a significant difference between the evaluated genotypes. Lines 36, 5, 24, 8, 2, 23, 29, 28, 34, 6, 19, 11, 7, and 20 are superior for the set of evaluated traits and, therefore, are the most promising to compose the advanced trial of the cowpea breeding program and to generate cultivars for family farmers in the semiarid region of southeastern Piauí.http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-204X2023000102919&lng=en&tlng=enVigna unguiculata, genetic parametersREML/BLUPsimultaneous selection |
| spellingShingle | Anna Flávia de Sousa Lopes Walter Frazão Lelis de Aragão Kaesel Jackson Damasceno-Silva Maurisrael de Moura Rocha Selection of superior cowpea lines derived from local cultivars for the Brazilian semiarid region Pesquisa Agropecuária Brasileira Vigna unguiculata, genetic parameters REML/BLUP simultaneous selection |
| title | Selection of superior cowpea lines derived from local cultivars for the Brazilian semiarid region |
| title_full | Selection of superior cowpea lines derived from local cultivars for the Brazilian semiarid region |
| title_fullStr | Selection of superior cowpea lines derived from local cultivars for the Brazilian semiarid region |
| title_full_unstemmed | Selection of superior cowpea lines derived from local cultivars for the Brazilian semiarid region |
| title_short | Selection of superior cowpea lines derived from local cultivars for the Brazilian semiarid region |
| title_sort | selection of superior cowpea lines derived from local cultivars for the brazilian semiarid region |
| topic | Vigna unguiculata, genetic parameters REML/BLUP simultaneous selection |
| url | http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-204X2023000102919&lng=en&tlng=en |
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