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 | 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
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Biblioteca(s): |
Embrapa Gado de Corte. |
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Data corrente: |
21/02/2006 |
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Data da última atualização: |
10/03/2008 |
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Autoria: |
GROF, B.; FERNANDES, C. D.; FERNANDES, A. T. F. |
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Título: |
A novel technique to produce polygenic resistance to anthracnose in Stylosanthes capitata. |
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Ano de publicação: |
2001 |
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Fonte/Imprenta: |
In: INTERNATIONAL GRASSLAND CONGRESS, 19., 2001, São Pedro. Grassland ecosystems: an outlook into the 21st century: proceedings. Piracicaba: Sociedade Brasileira de Zootecnia: FEALQ, 2001. |
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Páginas: |
p. 525-526. (ID n. 13-01) |
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Idioma: |
Inglês |
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Notas: |
CNPGC. |
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Conteúdo: |
An improved cultivar, based on17 genotypes of S.cpitata and six of S.macrocephala, was developed at the Embrapa Beef Cattle Research Center. Campo Grande, Brazil. The aim was o create durable, race non-spedific resistance to anthracnose controlled by polygenic factors. A mass hybridisation technique was employed to produce a higth degree of genetic diversity and sizeable quantities of seed of hybriderived progenies of Brazilian and Venezuelan genotypes of S.capitata. Outcrossing resulted in a significant improvement in the forage production of progeny of Venezuelan accessions. The multicross was evaluated in multilocational trials, each representing a large tract of country in the Cerradis ecosystem along a north-south transect from lat 6 to 20 S. The genetic shift that accourred in S. capitata was a key element in the formation of the new cultivar. It is a complex mixture of two especies, and a reombination of murch desired forage tratis of Brazilian x Venezuelan genotypes, high forage and seed yields coupled eith anthracnose resistance. The new cultivar with its diverse genetic make up has a wide application in the acid-soil savannas of tropical America. It was released by Embrapa for the Cerrados in 2000. |
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Thesagro: |
Antracnose; Cerrado; Hibridação; Variedade Resistente. |
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Thesaurus NAL: |
anthracnose; genetic variation; hybridization; savannas; Stylosanthes capitata. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 02136naa a2200277 a 4500
001 1322278
005 2008-03-10
008 2001 bl uuuu u00u1 u #d
100 1 $aGROF, B.
245 $aA novel technique to produce polygenic resistance to anthracnose in Stylosanthes capitata.
260 $c2001
300 $a p. 525-526. (ID n. 13-01)
500 $aCNPGC.
520 $aAn improved cultivar, based on17 genotypes of S.cpitata and six of S.macrocephala, was developed at the Embrapa Beef Cattle Research Center. Campo Grande, Brazil. The aim was o create durable, race non-spedific resistance to anthracnose controlled by polygenic factors. A mass hybridisation technique was employed to produce a higth degree of genetic diversity and sizeable quantities of seed of hybriderived progenies of Brazilian and Venezuelan genotypes of S.capitata. Outcrossing resulted in a significant improvement in the forage production of progeny of Venezuelan accessions. The multicross was evaluated in multilocational trials, each representing a large tract of country in the Cerradis ecosystem along a north-south transect from lat 6 to 20 S. The genetic shift that accourred in S. capitata was a key element in the formation of the new cultivar. It is a complex mixture of two especies, and a reombination of murch desired forage tratis of Brazilian x Venezuelan genotypes, high forage and seed yields coupled eith anthracnose resistance. The new cultivar with its diverse genetic make up has a wide application in the acid-soil savannas of tropical America. It was released by Embrapa for the Cerrados in 2000.
650 $aanthracnose
650 $agenetic variation
650 $ahybridization
650 $asavannas
650 $aStylosanthes capitata
650 $aAntracnose
650 $aCerrado
650 $aHibridação
650 $aVariedade Resistente
700 1 $aFERNANDES, C. D.
700 1 $aFERNANDES, A. T. F.
773 $tIn: INTERNATIONAL GRASSLAND CONGRESS, 19., 2001, São Pedro. Grassland ecosystems: an outlook into the 21st century: proceedings. Piracicaba: Sociedade Brasileira de Zootecnia: FEALQ, 2001.
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