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Registro Completo |
Biblioteca(s): |
Embrapa Gado de Corte. |
Data corrente: |
20/02/2018 |
Data da última atualização: |
23/02/2018 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Autoria: |
MONTEIRO, L. C.; VERZIGNASSI, J. R.; BARRIOS, S. C. L.; VALLE, C. B. do; FERNANDES, C. D.; BENTEO, G. L.; LIBÓRIO, C. B. |
Afiliação: |
Lenise Castilho Monteiro, Instituto Federal Goiano; JAQUELINE ROSEMEIRE VERZIGNASSI, CNPGC; SANZIO CARVALHO LIMA BARRIOS, CNPGC; CACILDA BORGES DO VALLE, CNPGC; CELSO DORNELAS FERNANDES, CNPGC; Gleiciane Lima Benteo, Instituto Federal Goiano; Cláudia Barrios Libório, Instituto Federal Goiano. |
Título: |
Brachiaria decumbens intraspecific hybrids: characterization and selection for seed production. |
Ano de publicação: |
2016 |
Fonte/Imprenta: |
Journal of Seed Science, v. 38, n. 1, p. 62-67, 2016 |
Idioma: |
Inglês |
Notas: |
Título em português: Híbridos intraespecíficos de Brachiaria decumbens: caracterização e seleção para produção de sementes. |
Conteúdo: |
Brachiaria decumbens has great importance in the national beef cattle scenario due to its high forage yield potential and high adaptability to acid soils and low fertility. In order to obtain new cultivars, intraspecific hybrids, previously selected by the Brachiaria breeding program, were evaluated in 2013 and 2014 for phenological characteristics and seed production potential through their production components, aiming to obtain cultivars with satisfactory production agronomic characteristics and forage yield, resistant to ?cigarrinhas-das-pastagens? (Tomaspia sp.) and good seed production. Estimates of phenotypic correlation and analysis of variance were performed using the SAS 9.3 software. From the results obtained in both consecutive years, it was observed that there was a correlation between the reproductive tiller number (RT) and the pure seeds (PS) weight in the seedbeds of the second year of production around 70% (p < 0.01), which can be considered as a parameter to estimate the production of pure seeds before the start of flowering. |
Palavras-Chave: |
Forage improvement; Genotypes; Melhoramento de forrageira. |
Thesagro: |
Apomixia; Fenologia; Genótipo. |
Thesaurus Nal: |
Apomixis; Phenology. |
Categoria do assunto: |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/172876/1/16-Brachiaria-decumbens-intraspecific-hybrids-characterization-and-selection-for-seed-production-2016.pdf
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Marc: |
LEADER 02035naa a2200301 a 4500 001 2087913 005 2018-02-23 008 2016 bl uuuu u00u1 u #d 100 1 $aMONTEIRO, L. C. 245 $aBrachiaria decumbens intraspecific hybrids$bcharacterization and selection for seed production.$h[electronic resource] 260 $c2016 500 $aTítulo em português: Híbridos intraespecíficos de Brachiaria decumbens: caracterização e seleção para produção de sementes. 520 $aBrachiaria decumbens has great importance in the national beef cattle scenario due to its high forage yield potential and high adaptability to acid soils and low fertility. In order to obtain new cultivars, intraspecific hybrids, previously selected by the Brachiaria breeding program, were evaluated in 2013 and 2014 for phenological characteristics and seed production potential through their production components, aiming to obtain cultivars with satisfactory production agronomic characteristics and forage yield, resistant to ?cigarrinhas-das-pastagens? (Tomaspia sp.) and good seed production. Estimates of phenotypic correlation and analysis of variance were performed using the SAS 9.3 software. From the results obtained in both consecutive years, it was observed that there was a correlation between the reproductive tiller number (RT) and the pure seeds (PS) weight in the seedbeds of the second year of production around 70% (p < 0.01), which can be considered as a parameter to estimate the production of pure seeds before the start of flowering. 650 $aApomixis 650 $aPhenology 650 $aApomixia 650 $aFenologia 650 $aGenótipo 653 $aForage improvement 653 $aGenotypes 653 $aMelhoramento de forrageira 700 1 $aVERZIGNASSI, J. R. 700 1 $aBARRIOS, S. C. L. 700 1 $aVALLE, C. B. do 700 1 $aFERNANDES, C. D. 700 1 $aBENTEO, G. L. 700 1 $aLIBÓRIO, C. B. 773 $tJournal of Seed Science$gv. 38, n. 1, p. 62-67, 2016
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Embrapa Gado de Corte (CNPGC) |
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1. | | MONTEIRO, L. C.; VERZIGNASSI, J. R.; BARRIOS, S. C. L.; VALLE, C. B. do; FERNANDES, C. D.; BENTEO, G. L.; LIBÓRIO, C. B. Brachiaria decumbens intraspecific hybrids: characterization and selection for seed production. Journal of Seed Science, v. 38, n. 1, p. 62-67, 2016 Título em português: Híbridos intraespecíficos de Brachiaria decumbens: caracterização e seleção para produção de sementes.Tipo: Artigo em Periódico Indexado | Circulação/Nível: B - 2 |
Biblioteca(s): Embrapa Gado de Corte. |
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Registros recuperados : 1 | |
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