| Registro completo |
| Provedor de dados: |
Agronomy
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| País: |
Brazil
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| Título: |
Genetic variability and progeny selection of peach palm via mixed models (REML / BLUP)
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| Autores: |
Rodrigues, Haroldo Silva
Cruz, Cosme Damião
Macêdo, Jeferson Luis Vasconcelos de
Resende, Marcos Deon Vilela de
Lopes, Ricardo
Borém, Aluízio
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| Data: |
2017-04-11
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| Ano: |
2017
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| Palavras-chave: |
5.01.03.05-9 heart of palm
Perennial breeding
Amazon. Melhoramento Vegetal
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| Resumo: |
Heart of palm harvesting and exploitation has reduced the natural reserves of açaí and juçara; hence, the peach palm is an excellent option as source of heart of palm that can reduce the pressure on these two species. The peach palm has high tillering and no post-harvest oxidation. An experiment in a randomized block design with 72 progenies of peach palm, 36 replications and a single tree plot was performed for five years at the experimental field of Embrapa in the Western Amazon. Genetic parameters were estimated using two mixed models, one based on progeny means and the second on joint information from crops. A repeatability analysis, genotype selection, and progeny selection were performed; the Mulamba and Mock selection index was determined; and Tocher’s clustering method was applied. The repeatability analysis revealed the existence of genetic variability, low repeatability, which ranged from 0.3307 to 0.6698 for five years. The analysis performed through the progeny means showed a heritability that varied from 51% to 23% for in all variables; the clustering revealed two groups. The progeny selection should be the main selection strategy, and crosses of superior progenies of different groups should be emphasized.
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| Tipo: |
Info:eu-repo/semantics/article
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| Idioma: |
Inglês
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| Identificador: |
http://periodicos.uem.br/ojs/index.php/ActaSciAgron/article/view/32495
10.4025/actasciagron.v39i2.32495
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| Editor: |
Universidade Estadual de Maringá
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| Relação: |
http://periodicos.uem.br/ojs/index.php/ActaSciAgron/article/view/32495/pdf
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| Formato: |
application/pdf
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| Fonte: |
Acta Scientiarum. Agronomy; v. 39, n. 2 (2017); 165-173
Acta Scientiarum. Agronomy; v. 39, n. 2 (2017); 165-173
1807-8621
1679-9275
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| Direitos: |
Direitos autorais 2017 Acta Scientiarum. Agronomy
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