|
|
Registro Completo |
Biblioteca(s): |
Embrapa Gado de Corte. |
Data corrente: |
24/09/2010 |
Data da última atualização: |
28/09/2010 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Autoria: |
JUNGMANN, L.; VIGNA, B. B. Z.; BOLDRINI, A. C. B.; SOUSA, A. C. B.; VALLE, C. B. do; RESENDE, R. M. S.; PAGLIARINI, M. S.; ZUCCHI, M. I.; SOUZA, A. P. de. |
Afiliação: |
LETICIA JUNGMANN CANCADO, CNPGC; B. B. Z. VIGNA, UNICAMP; A. C. B. BOLDRINI, UEM; A. C. B. SOUSA, UNICAMP; CACILDA BORGES DO VALLE, CNPGC; ROSANGELA MARIA SIMEAO RESENDE, CNPGC; M. S. PAGLIARINI, UEM; M. I. ZUCCHI, APTS PÓLO CENTRO SUL; A. P. DE SOUZA, UNICAMP. |
Título: |
Genetic diversity and population structure analysis of the tropical pasture grass Brachiaria humidicola based on microsatellites, cytogenetics, morphological traits, and geographical origin. |
Ano de publicação: |
2010 |
Fonte/Imprenta: |
Genome, v.53, n.9, p. 698-709, Sept. 2010. |
Idioma: |
Inglês |
Conteúdo: |
Brachiaria humidicola (Rendle) Schweick. is a warm-season grass commonly used as forage in the tropics. Accessions of this species were collected in eastern Africa and massively introduced into South America in the 1980s. Several of these accessions form a germplasm collection at the Brazilian Agricultural Research Corporation. However, apomixis, ploidy, and limited knowledge of the genetic basis of this germplasm collection have constrained breeding activities. The objectives of this work were to identify genetic variability in the Brazilian B. humidicola germplasm collection using microsatellite markers and to compare the results with information on the following: (1) collection sites of the accessions; (2) reproductive mode and ploidy levels; and (3) genetic diversity revealed by morphological traits. The evaluated germplasm population is highly structured into four major groups. The sole sexual accession did not group with any of the clusters. Genetic dissimilarities did not correlate with either geographic distances or genetic distances inferred from morphological descriptors. Additionally, the genetic structure identified in this collection did not correspond to differences in ploidy level. Alleles exclusive to either sexual or apomictic accessions were identified, suggesting that further evaluation of the association of these loci with apospory should be carried out. |
Palavras-Chave: |
Microssatélite. |
Thesagro: |
Brachiaria Humidicola; Marcador Molecular; Melhoramento Genético Vegetal; Pastagem. |
Categoria do assunto: |
-- |
Marc: |
LEADER 02290naa a2200277 a 4500 001 1862882 005 2010-09-28 008 2010 bl --- 0-- u #d 100 1 $aJUNGMANN, L. 245 $aGenetic diversity and population structure analysis of the tropical pasture grass Brachiaria humidicola based on microsatellites, cytogenetics, morphological traits, and geographical origin. 260 $c2010 520 $aBrachiaria humidicola (Rendle) Schweick. is a warm-season grass commonly used as forage in the tropics. Accessions of this species were collected in eastern Africa and massively introduced into South America in the 1980s. Several of these accessions form a germplasm collection at the Brazilian Agricultural Research Corporation. However, apomixis, ploidy, and limited knowledge of the genetic basis of this germplasm collection have constrained breeding activities. The objectives of this work were to identify genetic variability in the Brazilian B. humidicola germplasm collection using microsatellite markers and to compare the results with information on the following: (1) collection sites of the accessions; (2) reproductive mode and ploidy levels; and (3) genetic diversity revealed by morphological traits. The evaluated germplasm population is highly structured into four major groups. The sole sexual accession did not group with any of the clusters. Genetic dissimilarities did not correlate with either geographic distances or genetic distances inferred from morphological descriptors. Additionally, the genetic structure identified in this collection did not correspond to differences in ploidy level. Alleles exclusive to either sexual or apomictic accessions were identified, suggesting that further evaluation of the association of these loci with apospory should be carried out. 650 $aBrachiaria Humidicola 650 $aMarcador Molecular 650 $aMelhoramento Genético Vegetal 650 $aPastagem 653 $aMicrossatélite 700 1 $aVIGNA, B. B. Z. 700 1 $aBOLDRINI, A. C. B. 700 1 $aSOUSA, A. C. B. 700 1 $aVALLE, C. B. do 700 1 $aRESENDE, R. M. S. 700 1 $aPAGLIARINI, M. S. 700 1 $aZUCCHI, M. I. 700 1 $aSOUZA, A. P. de 773 $tGenome$gv.53, n.9, p. 698-709, Sept. 2010.
Download
Esconder MarcMostrar Marc Completo |
Registro original: |
Embrapa Gado de Corte (CNPGC) |
|
Biblioteca |
ID |
Origem |
Tipo/Formato |
Classificação |
Cutter |
Registro |
Volume |
Status |
URL |
Voltar
|
|
![](/consulta/web/img/deny.png) | Acesso ao texto completo restrito à biblioteca da Embrapa Gado de Corte. Para informações adicionais entre em contato com cnpgc.biblioteca@embrapa.br. |
Registro Completo
Biblioteca(s): |
Embrapa Gado de Corte. |
Data corrente: |
19/03/1996 |
Data da última atualização: |
28/01/2015 |
Autoria: |
EUCLIDES, V. P. B.; OLIVEIRA, M. P. de; PORTELA, P. G. |
Afiliação: |
EMBRAPA. Centro Nacional de Pesquisa de Gado de Corte (Campo Grande,MS). |
Título: |
Relacao entre tempo de pastejo e algumas caracteristicas da pastagem. |
Ano de publicação: |
1991 |
Fonte/Imprenta: |
In: REUNIAO ANUAL DA SOCIEDADE BRASILEIRA DE ZOOTECNIA, 28., 1991, Joao Pessoa. Anais. Joao Pessoa : SBZ, 1991. |
Páginas: |
p.149. |
Idioma: |
Português |
Notas: |
CNPGC. |
Palavras-Chave: |
Coloniao; Marandu; Pasture; Tansania-1; Tobiata. |
Thesagro: |
Bovino; Brachiaria Brizantha; Brachiaria Decumbens; Panicum Maximum; Pastagem; Pastejo. |
Thesaurus NAL: |
cattle; grazing. |
Categoria do assunto: |
-- |
Marc: |
LEADER 00853naa a2200313 a 4500 001 1318280 005 2015-01-28 008 1991 bl --- 0-- u #d 100 1 $aEUCLIDES, V. P. B. 245 $aRelacao entre tempo de pastejo e algumas caracteristicas da pastagem. 260 $c1991 300 $ap.149. 500 $aCNPGC. 650 $acattle 650 $agrazing 650 $aBovino 650 $aBrachiaria Brizantha 650 $aBrachiaria Decumbens 650 $aPanicum Maximum 650 $aPastagem 650 $aPastejo 653 $aColoniao 653 $aMarandu 653 $aPasture 653 $aTansania-1 653 $aTobiata 700 1 $aOLIVEIRA, M. P. de 700 1 $aPORTELA, P. G. 773 $tIn: REUNIAO ANUAL DA SOCIEDADE BRASILEIRA DE ZOOTECNIA, 28., 1991, Joao Pessoa. Anais. Joao Pessoa : SBZ, 1991.
Download
Esconder MarcMostrar Marc Completo |
Registro original: |
Embrapa Gado de Corte (CNPGC) |
|
Biblioteca |
ID |
Origem |
Tipo/Formato |
Classificação |
Cutter |
Registro |
Volume |
Status |
Fechar
|
Nenhum registro encontrado para a expressão de busca informada. |
|
|