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Registro Completo |
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Biblioteca(s): |
Embrapa Gado de Corte. |
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Data corrente: |
19/06/1998 |
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Data da última atualização: |
11/07/2007 |
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Autoria: |
GROF, B.; FERNANDES, C. D.; ALMEIDA, C. B.; SANTOS, A. V. dos. |
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Afiliação: |
EMBRAPA. Centro Nacional de Pesquisa de Gado de Corte (Campo Grande, MS). |
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Título: |
Development of a multicross cultivar of Stylosanthes spp. |
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Ano de publicação: |
1997 |
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Fonte/Imprenta: |
In: INTERNATIONAL GRASSLAND CONGRESS, 18., 1997, Winnipeg, Saskatoon. Proceedings... [S.l.: s.n., 1997?]. |
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Páginas: |
p. 4-31 / 4-32. |
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Idioma: |
Inglês |
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Notas: |
CNPGC. |
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Conteúdo: |
A synthetic population,refered to as multicross, has been developed from an interspecific mixture of Stylosanthes capitata and S.macrocephala germplasm. This basic population evolved in a farming situation subject to uncontrolled, continuous, heavy grazing. Natural selection and systematically programmed intercrossing among anthracnose-resistant Venezuelan and Brazilian genotypes of S.capitata have played major roles in the subsequent development of this heterogeneous population. Eight anthracnose-resistant Venezuelan and two Brazilian accessions of S.capitata were introgressed into the basic population. Genetic diversity was further increased by adding seed of four selected accessions of S. macrocephala to the synthetic which had already included three accessions from the basic population. The composite was advanced through five generations of bulk seed production to improve its stability, synchronise harvest maturity, and primarily to facilitate natural intercrossing among S.capitata genotypes. The multicross population displayed anthracnose-resistance in the presence of susceptible, infected accessions in field trials conducted over the years since its initial synthesis in 1990. |
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Palavras-Chave: |
Anthracnosis; Brasil; Diseases resistance; Variedade resistante. |
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Thesagro: |
Antracnose; Hibridação; Leguminosa; Leguminosae; Stylosanthes Macrocephala. |
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Thesaurus Nal: |
Brazil; hybridization; Stylosanthes capitata; Venezuela. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 02129naa a2200337 a 4500
001 1318645
005 2007-07-11
008 1997 bl uuuu u00u1 u #d
100 1 $aGROF, B.
245 $aDevelopment of a multicross cultivar of Stylosanthes spp.
260 $c1997
300 $ap. 4-31 / 4-32.
500 $aCNPGC.
520 $aA synthetic population,refered to as multicross, has been developed from an interspecific mixture of Stylosanthes capitata and S.macrocephala germplasm. This basic population evolved in a farming situation subject to uncontrolled, continuous, heavy grazing. Natural selection and systematically programmed intercrossing among anthracnose-resistant Venezuelan and Brazilian genotypes of S.capitata have played major roles in the subsequent development of this heterogeneous population. Eight anthracnose-resistant Venezuelan and two Brazilian accessions of S.capitata were introgressed into the basic population. Genetic diversity was further increased by adding seed of four selected accessions of S. macrocephala to the synthetic which had already included three accessions from the basic population. The composite was advanced through five generations of bulk seed production to improve its stability, synchronise harvest maturity, and primarily to facilitate natural intercrossing among S.capitata genotypes. The multicross population displayed anthracnose-resistance in the presence of susceptible, infected accessions in field trials conducted over the years since its initial synthesis in 1990.
650 $aBrazil
650 $ahybridization
650 $aStylosanthes capitata
650 $aVenezuela
650 $aAntracnose
650 $aHibridação
650 $aLeguminosa
650 $aLeguminosae
650 $aStylosanthes Macrocephala
653 $aAnthracnosis
653 $aBrasil
653 $aDiseases resistance
653 $aVariedade resistante
700 1 $aFERNANDES, C. D.
700 1 $aALMEIDA, C. B.
700 1 $aSANTOS, A. V. dos
773 $tIn: INTERNATIONAL GRASSLAND CONGRESS, 18., 1997, Winnipeg, Saskatoon. Proceedings... [S.l.: s.n., 1997?].
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Registro original: |
Embrapa Gado de Corte (CNPGC) |
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| Registros recuperados : 8 | |
| 2. |  | ANTONIOLLI, L. R.; GIMENES, L.; ALMEIDA, C. B. Manifestação do dano mecânico por impacto em maçãs colhidas em diferentes estádios de maturação. Brazilian Journal of Plant Physiology, Londrina, v. 23, p. 186-187, set. 2011. p. 299. Suplemento. Resumos do XIII Congresso Brasileiro de Fisiologia Vegetal e XIV Reunião Latino-Americana de Fisiologia Vegetal, 19 a 22 de setembro de 2011, Búzios, RJ.| Tipo: Resumo em Anais de Congresso |
| Biblioteca(s): Embrapa Uva e Vinho. |
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| 7. | | AMARAL, P. A.; CARVALHO, S. F. de; ELOY, J.; ALMEIDA, C. B.; LIMA, T. S.; ANTUNES, L. E. C. Desempenho de mudas de morangueiro cv. Aromas em substratos com diferentes quantidades de esterco de peru. In: CONGRESSO BRASILEIRO DE FRUTICULTURA, 22., 2012, Bento Gonçalves. Anais... Bento Gonçalves: SBF, 2012.| Tipo: Artigo em Anais de Congresso |
| Biblioteca(s): Embrapa Clima Temperado. |
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| 8. | | THIEL, C. H.; CARVALHO, S. F. de; ALMEIDA, C. B.; LIMA, T. S.; AMARAL, P. A.; ANTUNES, L. E. C. Produção de cultivares de morangueiro de dias-neutros cultivados em pelotas-RS. In: CONGRESSO BRASILEIRO DE FRUTICULTURA, 22., 2012, Bento Gonçalves. Anais... Bento Gonçalves: SBF, 2012.| Tipo: Artigo em Anais de Congresso |
| Biblioteca(s): Embrapa Clima Temperado. |
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| Registros recuperados : 8 | |
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| Nenhum registro encontrado para a expressão de busca informada. |
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